NSN 5310-00-088-0551 MS20365440, MS20365-440, MS20365440A

Product Details | HEXAGON SELF-LOCKING NUT

5310-00-088-0551 A nut having a flat bottom and 6 sides. An integral feature is incorporated for locking on the threads of a mating member. Excludes NUT (1), SELF-LOCKING, CAP.

Part Alternates: MS20365440, MS20365-440, MS20365440A, MS20365-440A, MS20470B33, MS20470B3-3, MS21044-N0.4, MS21044N04, NAS1021N04, NASM25027, AN365440, AN365-440, AN365440A, AN365-440A, AN635440, AN635-440, B452532016, B4525-320-16, E2130101, E21301-01 , F22NM40, F22NM-40, F22NM440, F22NM-440, MILN25027, MIL-N-25027, Z00.0114417, Z00.N5402337004, Z000114417, Z00N5402337004, 53100880551, 5310-088-0551 , 6951028, 69510-28, 7024420P1, 870121, 9465361600, 946536-1600, 3M239N40, 4158067015, 4158067-015, 0878, 10116547, 1230122, 190734, 22NM40, 2533408103, 2533408-103, 272 532 739, 4158067-15, 4222048, 422204-8, 4222948, 422294-8, 52562890451, 525-628-90451, 5310-00-088-0551, 00-088-0551, 5310000880551 , 272532739, 142200440, 000880551, 415806715

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG)	NSN Assign.	NIIN	Item Name Code (INC)
53	01 JAN 1961	00-088-0551	05277 ( NUT, SELF-LOCKING, HEXAGON )

Drawings & Photos | NSN 5310-00-088-0551

Part Number	Request Date	QTY	Origin
MS21044N04	2025-12-346	50	United States
5310-00-088-0551	2025-10-300	179	DIBBS
5310-00-088-0551	2025-10-292	179	DIBBS
5310-00-088-0551	2025-08-219	175	DIBBS
5310-00-088-0551	2025-07-212	255	DIBBS
5310-00-088-0551	2025-07-211	175	DIBBS
5310-00-088-0551	2025-07-204	255	DIBBS
MS20365440A	2025-06-170	250	United States
MS21044N04	2025-06-167	370	US
MS21044N04	2024-09-268	504	Spain
MS21044N04	2024-09-267	456	Spain
5310-00-088-0551	2024-08-238	43	United States
MILN25027	2023-08-236	54	US
MS21044N04	2023-02-46	23	United States
5310-00-088-0551	2022-03-88	100	US
MILN25027	2020-09-262	156	US
MS21044N04	2020-05-150	38	India
MS21044N04	2020-05-150	38	India
5310-00-088-0551	2019-12-354	12	US
MS21044N04	2018-05-134	30	United States
5310000880551	2018-03-78	1	US
MS21044N04	2017-10-282	132	US
5310-00-088-0551	2017-06-160	22	US
5310-00-088-0551	2017-06-159	22	US
MS20365440	2016-06-181	4	United States
MS21044N04	2016-05-126	280	us
MS21044N04	2016-04-110	300	us
MS20365440A	2016-04-99	100	United States
MS21044N04	2015-07-182	40	UK
MS21044N04	2015-06-159	6	US
MS21044N04	2015-05-135	1350	US
MS21044N04	2015-03-71	50	United States
MS21044N04	2015-02-48	400	United States
NASM25027	2014-09-253	1500	Ukraine
MS21044N04	2014-08-240	300	United States
NASM25027	2014-01-27	16	US
NASM25027	2013-10-298	1	US
MS21044N04	2013-10-290	200
MS21044N04	2013-04-93	500	US
MS21044N04	2012-11-310	50
5310-00-088-0551	2012-07-201	1000	US
MILN25027	2012-06-157	16	United States
MILN25027	2012-05-139	15	United States
MILN25027	2011-09-265	28	US
MILN25027	2011-09-264	25	Canada
MS21044N04	2011-06-175	88	United States
5310-00-088-0551	2011-04-116	4	United States
MILN25027	2011-02-49	5	US
MILN25027	2011-02-49	10	US
MILN25027	2011-02-49	40	US
MS21044N04	2011-01-14	200	United States
MS21044N04	2011-01-13	200	US
5310-00-088-0551	2010-11-326	200	us
5310-00-088-0551	2010-10-291	15	CA
MS20365440	2010-09-267	250	US
MS20365440	2010-09-267	250	US
MILN25027	2010-06-181	50	United States
MILN25027	2010-04-111	5000	US
MS21044N04	2010-04-109	20	US
MS20470B33	2010-03-90	1200	United States
MS20365440	2010-02-42	100	US
NASM25027	2010-01-28	175	US
MILN25027	2009-11-321	560	US
MILN25027	2009-10-281	8	Canada
NASM25027	2009-08-225	200	United Kingdom
5310-00-088-0551	2009-07-208	750	United States
NASM25027	2009-07-191	48000	US
5310-00-088-0551	2009-06-178	100	India
NASM25027	2009-06-176	1000	United Kingdom
5310-00-088-0551	2009-03-63	2	us
MILN25027	2008-09-270	50	Italy
NASM25027	2008-09-268	1	Netherlands
NASM25027	2008-09-261	25	us
NASM25027	2007-12-338	60	United States
5310-00-088-0551	2006-12-345	1200	United Kingdom
5310-00-088-0551	2006-09-264	20	United States
5310-00-088-0551	2006-09-252	300	South Korea

Cross Reference | NSN 5310-00-088-0551

Part Number	Cage Code	Manufacturer
0878	48431	POWER INDUSTRIES INC
1230122	79500	WESTINGHOUSE ELECTRIC CORP
142200440	D1876	L-3 COMMUNICATIONS ELAC NAUTIK GMBH DBA L-3 ELAC NAUTIK
190734	24617	GENERAL MOTORS CORP
190734	7X677	GENERAL MOTORS LLC DBA GENERAL MOTORS
22NM40	D9182	BOSCH REXROTH GMBH LOHMANN +STOLTERFOHT
2533408-103	10001	NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT
272 532 739	D3683	ESW GMBH DIV JENOPTIK DEFENSE AND CIVIL
3M239N40	D9182	BOSCH REXROTH GMBH LOHMANN +STOLTERFOHT
4158067-015	05869	RAYTHEON COMPANY DBA RAYTHEON
4158067-15	05869	RAYTHEON COMPANY DBA RAYTHEON
422204-8	94580	HONEYWELL INTERNATIONAL INC. DBA HONEYWELL
422294-8	94580	HONEYWELL INTERNATIONAL INC. DBA HONEYWELL
525-628-90451	99193	HONEYWELL INTERNATIONAL INC. DBA HONEYWELL
5310-088-0551	SCY13	E.C.A ETABLISSEMENT CENTRALD'APPROVISIONNEMENT DES
5310000880551	SCY13	E.C.A ETABLISSEMENT CENTRALD'APPROVISIONNEMENT DES
69510-28	D9182	BOSCH REXROTH GMBH LOHMANN +STOLTERFOHT
7024420P1	D9182	BOSCH REXROTH GMBH LOHMANN +STOLTERFOHT
870121	19203	PICATINNY ARSENAL
946536-1600	D9182	BOSCH REXROTH GMBH LOHMANN +STOLTERFOHT
AN365-440	88044	AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE
AN365-440A	D9182	BOSCH REXROTH GMBH LOHMANN +STOLTERFOHT
AN635-440	D9182	BOSCH REXROTH GMBH LOHMANN +STOLTERFOHT
B4525-320-16	60532	TRANE U.S. INC. DBA TRANE
E21301-01	D1379	B/E AEROSPACE SYSTEMS GMBH DIV OXYGEN & PSU SYSTEMS
F22NM-40	72962	HARVARD INDUSTRIES INC
F22NM-440	27687	GREER STOP NUT INC.
F22NM40	D9182	BOSCH REXROTH GMBH LOHMANN +STOLTERFOHT
MIL-N-25027	81349	MILITARY SPECIFICATIONS PROMULGATED BY MILITARY
MS20365-440	D9182	BOSCH REXROTH GMBH LOHMANN +STOLTERFOHT
MS20365-440A	96906	MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS
MS20470B3-3	D9182	BOSCH REXROTH GMBH LOHMANN +STOLTERFOHT
MS21044-N0.4	D9182	BOSCH REXROTH GMBH LOHMANN +STOLTERFOHT
MS21044N04	80205	NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES
MS21044N04	96906	MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS
NAS1021N04	D9182	BOSCH REXROTH GMBH LOHMANN +STOLTERFOHT
NASM25027	80205	NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES
Z00.0114417	F0086	SOCATA
Z00.N5402337004	F0086	SOCATA

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Related Products | NSN 5310-00-088-0551

5310-00-088-0552, 5310-00-088-0553, 5310-00-088-0571, 5310-00-088-0578, 5310-00-088-0772

Technical Data | NSN 5310-00-088-0551

Characteristic	Specifications
THREAD SERIES	UNC
NOMINAL THREAD SIZE	0.112 INCHES
THREAD QUANTITY PER INCH	40
THREAD CLASS	3B
THREAD DIRECTION	RIGHT-HAND
MATERIAL	PLASTIC POLYAMIDE LOCKING INSERT STEEL NUT
SURFACE TREATMENT	CADMIUM NUT
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE NUT
HARDNESS RATING	NOT RATED
NUT STYLE	A12 HEXAGON
NUT HEIGHT	0.133 INCHES MINIMUM AND 0.157 INCHES MAXIMUM
WIDTH ACROSS FLATS	0.243 INCHES MINIMUM AND 0.251 INCHES MAXIMUM
BEARING SURFACE TYPE	CHAMFERED OR WASHER FACED
LOCKING FEATURE	PREVAILING TORQUE WITH NONMETALLIC INSERT
COUNTERBORE DIAMETER	0.116 INCHES MINIMUM AND 0.156 INCHES MAXIMUM NUT
COUNTERSINK ANGLE	88.0 DEGREES NOMINAL NUT
LUBRICATION	SOLUBLE LUBRICANT
TEMP RATING	250.0 DEG FAHRENHEIT NOMINAL
III BEARING SURFACE FINISH	125.0 MICROINCHES
III END ITEM IDENTIFICATION	TACTICAL DATA SYSTEM, AN/UYA-4(V), AIRCRAFT, ( AC-130H, MC-130H, EC-

Restrictions/Controls & Freight Information | NSN 5310-00-088-0551

Restrictions
Freight

Category	Code	Description
Shelf-Life Code:	0	Nondeteriorative
Hazardous Material Indicator Code	N	There is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:	A	Non-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Controlled Inventory Item Code:	U	UNCLASSIFIED
Precious Metals Indicator Code:	A	Item does not contain precious metal
Criticality Code:	X	The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Automatic Data Processing Equipment:	0	Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)

Category	Code	Description
NMF Description	093486	BOLTS,NUTS OR SCREWS, NOI (SUB 3)
Less than car load rating
Less than truck load rating	W	Rating Variable
Water commodity Code	573	unknown
Originating Activity Code	XX
Air Dimension Code	A	Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity	B	Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials.
Air Special Handling	Z	No special handling required.
Special Handling Code	9	unknonwn
HAZMAT
Type of Cargo	Z	No special type of cargo code applicable

Management | NSN 5310-00-088-0551

Category	Code	Description
Materiel Category and Inventory Manager	T	Industrial Supplies (DLA/GSA Items)
Appropriation and Budget Activity	2	Stock Fund Secondary Items
Management Inventory Segment	2	NONREPARABLE ITEMS (Exclusive of Insurance and Provisioning Items). This code will be used to identify items which are not reparable.
Specific Group/Generic Code	B	Rotary Wing Aircraft
Weapons Systems/End Item or Homogeneous Group	BK	CH-47
Accounting Requirements Code	X	Expendable item. An item of Army property coded with an ARC of ?X? in the AMDF. Expendable items require no formal accountability after issue from a stock record account. Commercial and fabricated items similar to items coded ?X? in the AMDF are considered expendable items.
Source of Supply	SMS	Defense Logistics Agency Enterprise Business Systems
Agency	DA	Department of the Army
Service Organization	A	U.S. Army
Reparability	Z	This is a nonreparable item. If condemned or economically unserviceable, then dispose at the level authorized replace the item.
Acquisition Advice Codes	D	DoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(IMM)/Service requisitioning procedures.
Controlled Item Code	U	UNCLASSIFIED
Shelf Life Code	0	Nondeteriorative
Purchasing	QTY UOM	1 HD : Each

Category	Code	Description
Budget Code	9	General Support DIV57X4921.070:Air Force decentrally managed expense items (ERRC XB3, XF-3) with a unit cost of less than $250,000 that are requisitioned/procured at base (retail) level from DLA, GSA, Army, Navy, Depot Maintenance Service, Air Force Industrial Fund (AFMC), local manufacture and commercial vendors.
Fund Code	SF	Stock fund applicable to items managed for the Air Force by the respective Inventory Control Point.
Materiel Management Aggregation Code	SX	SX:AF SICA RESIDUAL MMAC-OC-ALC
Price Validation	V	The current standard price has been validated. The item has been analyzed in conjunction with the Zero Overpricing Program and is in the accepted price range. The item was procured under open competition and under the competitive arena the price is considered fair and reasonable. ZOP or Standard price challenges are permissible but must be supported by adequate justification.
Source of Supply	SMS	Defense Logistics Agency Enterprise Business Systems
Agency	DF	Department of the Air Force
Service Organization	F	U.S. Air Force
Reparability	N	Stock Fund (except Munitions)
Acquisition Advice Codes	D	DoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(IMM)/Service requisitioning procedures.
Controlled Item Code	U	UNCLASSIFIED
Shelf Life Code	0	Nondeteriorative
Purchasing	QTY UOM	1 HD : Each

Category	Code	Description
Stores Account Code	1	Marine Corps Stock Fund Account Item.
Combat Essentiality Code	5	Critical Repair Part to a Combat Essential End Item. Those parts or components whose failure in a combat essential end item will render the end item inoperative or reduce its effectiveness below the minimum acceptable level of efficiency.
Materiel Management Code	B	All CommoditiesDefense Logistics Agency, (DLA,)
Echelon Management Code	2	ICP/DSSC Marine Corps-managed Recoverability Code D items and Defense Logistics Agency (DLA)/TACOM/GSA) items which the integrated manager has not decontrolled.
Echelon Identification Code	B	Consumable Repair Parts
Source of Supply	SMS	Defense Logistics Agency Enterprise Business Systems
Agency	DM	U.S. Marine Corps
Service Organization	M	U.S. Marine Corps
Reparability	Z	Nonreparable item. When unserviceable, condemn and dispose at the level indicated by the first digit of the maintenance code.
Acquisition Advice Codes	D	DoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(IMM)/Service requisitioning procedures.
Controlled Item Code	U	UNCLASSIFIED
Shelf Life Code	0	Nondeteriorative
Purchasing	QTY UOM	1 HD : Each

Category	Code	Description
Cognizance Codes	9B	Navy-owned stocks of DLA material Naval Inventory Control Point, Mechanicsburg
Special Material Content	9	Non-Hazardous or Non-Sensitive Item, does not require hazardous or special handling, packaging or precautions
Source of Supply	SMS	Defense Logistics Agency Enterprise Business Systems
Agency	DN	Department of the Navy
Service Organization	N	U.S. Navy
Acquisition Advice Codes	D	DoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(IMM)/Service requisitioning procedures.
Controlled Item Code	U	UNCLASSIFIED
Shelf Life Code	0	Nondeteriorative
Purchasing	QTY UOM	1 HD : Each