NSN 5325-00-253-2812 MS51831201L, MS51831-201L, NAS1395C3L

Product Details | SCREW THREAD INSERT

5325-00-253-2812 A cylindrical item which may have wrenching and/or driving facilities and/or shoulders. It is designed to be inserted in a drilled, tapped or a pretapped hole, or molded or pressed into soft material to reduce the size of a tapped hole; to provide threads; to add strength, and/or to prevent stripping. It is one of the following: (1) a one-piece, flanged or unflanged, internally threaded item which may have external threads, and/or serrations around the periphery of the collar, designed to engage a serrated lock ring which is not included with the item; (2) a one-piece precision coiled wire; (3) a two-piece item consisting of an internally threaded cylinder and a mating externally threaded part; or (4) a one-piece internally threaded item whose outside diameter is tapered and/or knurled and/or with fin(s). The internal thread of the item may have a locking feature. Excludes items having a sleeve on on its under portion which can be clinched or crimped. Excludes BUSHING,MACHINE THREAD; NUT,PLAIN,KNURLED; NUT,PLAIN,ROUND; NUT,PLAIN,CLINCH and NUT,SELF-LOCKING,CLINCH. See also NUT,PLAIN,PLATE

Part Alternates: MS51831201L, MS51831-201L, NAS1395C3L, KH90053, KH9005-3, KNHL1032, KNHL1032J, 83748900, 837489-00, 5325-00-253-2812, 00-253-2812, 5325002532812, 002532812

Hardware and Abrasives | Fastening Devices

Supply Group (FSG)	NSN Assign.	NIIN	Item Name Code (INC)
53	30 JUL 1969	00-253-2812	11444 ( INSERT, SCREW THREAD )

Drawings & Photos | NSN 5325-00-253-2812

Part Number	Request Date	QTY	Origin
MS51831201L	2025-10-303	20	United States
MS51831201L	2025-01-06	45777	US
MS51831201L	2025-01-06	5000	US
MS51831201L	2024-10-276	10	United States
5325-00-253-2812	2022-09-258	70	United Kingdom
5325-00-253-2812	2022-07-208	2494	DIBBS
MS51831201L	2022-03-89	50	US
5325-00-253-2812	2022-03-88	55	US
MS51831201L	2020-10-280	52	US
MS51831201L	2018-10-289	20	United States
MS51831201L	2018-08-240	68	United States
KNHL1032J	2017-11-307	12	UK
5325-00-253-2812	2014-08-236	724	DIBBS
MS51831201L	2013-07-191	18	US
MS51831201L	2012-12-338	24	United States
MS51831201L	2012-06-156	35	Germany
MS51831201L	2012-02-55	2	US
MS51831201L	2012-02-45	188	US
NAS1395C3L	2012-02-38	364	us
NAS1395C3L	2011-09-249	500	TH
MS51831201L	2011-03-80	300	United States
5325-00-253-2812	2011-03-60	100	US
MS51831201L	2010-12-362	100	US
MS51831201L	2010-12-362	2500	US
MS51831201L	2010-06-168	16	US
KNHL1032J	2010-05-146	160	US
MS51831201L	2010-03-61	100	US
5325-00-253-2812	2010-02-36	28	US
5325-00-253-2812	2009-02-48	60	US
5325-00-253-2812	2009-01-07	550	United States
MS51831201L	2009-01-07	13350	United States
KNHL1032J	2008-11-317	30	US
5325-00-253-2812	2008-11-317	550	United States
MS51831201L	2008-11-317	13350	United States
5325-00-253-2812	2008-07-199	100	US
MS51831201L	2008-04-113	110	US
MS51831201L	2008-03-84	120	United States

Cross Reference | NSN 5325-00-253-2812

Part Number	Cage Code	Manufacturer
837489-00	32345	DEFENSE REDUCTION AGENCY
KH9005-3	75237	ALCOA GLOBAL FASTENERS, INC. DBA ALCOA FASTENING SYSTEMS
KNHL1032	29372	ALCOA GLOBAL FASTENERS, INC. DBA ALCOA FASTENING SYSTEMS
KNHL1032J	29372	ALCOA GLOBAL FASTENERS, INC. DBA ALCOA FASTENING SYSTEMS
MS51831-201L	96906	MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS
NAS1395C3L	80205	NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES

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Related Products | NSN 5325-00-253-2812

5325-00-253-2976, 5325-00-253-3357, 5325-00-253-3365, 5325-00-253-3416, 5325-00-253-3443

Technical Data | NSN 5325-00-253-2812

Characteristic	Specifications
MATERIAL	STEEL COMP 302 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	FED STD 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT	PASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
STYLE DESIGNATOR	H25 GROOVED KEYLOCK
LENGTH	0.312 INCHES NOMINAL
INTERNAL THREAD RELIEF DEPTH	0.070 INCHES NOMINAL
FULL INTERNAL THREAD LENGTH	0.242 INCHES NOMINAL
INSERT SIZE	0.375 IN.-16
THREAD SERIES DESIGNATOR	UNF
NOMINAL THREAD SIZE	0.190 INCHES
THREAD QUANTITY PER INCH	32
FEATURES PROVIDED	INDIVIDUALLY KEYED
MANUFACTURERS CODE	96906
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE	MS51831-201L

Restrictions/Controls & Freight Information | NSN 5325-00-253-2812

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:	U	Precious metal type is unknown
Criticality Code:	X	The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Category	Code	Description
NMF Description	095190	HARDWARE, NOI SUB 9
Less than car load rating
Less than truck load rating	Q	70.0
Water commodity Code	713	unknown
Originating Activity Code	KZ	Defense Supply Center Philadelphia Philadelphia, PA 19101
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 5325-00-253-2812

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	0	Medical Materiel
Weapons Systems/End Item or Homogeneous Group	00	DLA/GSA-Managed Items that cannot be identified to a specific Army Weapons Systems/End Item
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	H EA : 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	H EA : Each

Category	Code	Description
Stores Account Code	1	Marine Corps Stock Fund Account Item.
Combat Essentiality Code	2	Non-Critical Repair Part. Repair parts or major components whose failure in an end item will not render the end item inoperative or reduce its effectiveness below the minimum acceptable level of efficiency, and which do not fit the definition of Code 3 or 4 items.
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.
Physical Category Code	1	Bin
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	H EA : 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	H EA : Each