NSN 5365-00-385-5330 MS51990, MS51990E104P, AA59558

Product Details | SERRATED LOCK RING

5365-00-385-5330 A locking device which is serrated on the inside and outside diameters. It may have outer serrations omitted on one or two sides for close edge installation. The inner serrations engage the mating serrations of bolts, inserts, nuts, studs or similar items to be locked in place. The outer serrations broach their way into parent material when driven or pressed into place.

Part Alternates: MS51990, MS51990E104P, AA59558, A-A-59558, AA59558203, AA59558-203, RLRR21SU6, 5365-00-385-5330, 00-385-5330, 5365003855330, 003855330

Hardware and Abrasives | Bushings, Rings, Shims, and Spacers

Supply Group (FSG)	NSN Assign.	NIIN	Item Name Code (INC)
53	25 MAR 1974	00-385-5330	16013 ( RING, LOCK, SERRATED )

Part Number	Request Date	QTY	Origin
MS51990	2025-08-216	76	United States
5365-00-385-5330	2024-03-66	517	DIBBS
5365-00-385-5330	2023-11-319	374	DIBBS
5365-00-385-5330	2023-07-206	161	DIBBS
5365-00-385-5330	2023-07-204	161	DIBBS
MS51990E104P	2020-10-300	10	US
MS51990E104P	2019-04-101	30	US
5365-00-385-5330	2018-05-130	20	US
5365-00-385-5330	2018-02-35	286	DIBBS
5365-00-385-5330	2017-10-296	167	DIBBS
5365-00-385-5330	2017-06-157	167	DIBBS
MS51990E104P	2016-10-299	230	US
5365-00-385-5330	2016-05-124	244	DIBBS
5365-00-385-5330	2016-04-116	244	DIBBS
MS51990E104P	2012-10-278	180	US
MS51990E104P	2012-10-278	180	US
MS51990E104P	2012-10-278	17700	US
MS51990E104P	2009-03-61	10	United States
MS51990E104P	2008-09-263	800	US

Cross Reference | NSN 5365-00-385-5330

Part Number	Cage Code	Manufacturer
A-A-59558	58536	FEDERAL COMMERCIAL ITEM DESCRIPTION PROMULGATED BY GENERAL SERVICES
AA59558-203	58536	FEDERAL COMMERCIAL ITEM DESCRIPTION PROMULGATED BY GENERAL SERVICES
MS51990	96906	MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS
MS51990E104P	96906	MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS
RLRR21SU6	83324	ALCOA GLOBAL FASTENERS, INC. DBA ALCOA FASTENING SYSTEMS

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Related Products | NSN 5365-00-385-5330

5365-00-385-5541, 5365-00-385-5570, 5365-00-385-6917, 5365-00-385-6976, 5365-00-385-7746

Technical Data | NSN 5365-00-385-5330

Characteristic	Specifications
MATERIAL	CRES AMS 5734
SURFACE TREATMENT	PASSIVATE QQ-P-35
OVERALL OUTSIDE DIAMETER	0.350 INCHES MINIMUM AND 0.359 INCHES MAXIMUM
INSIDE DIAMETER	0.210 INCHES MINIMUM AND 0.217 INCHES MAXIMUM
OVERALL HEIGHT	0.099 INCHES NOMINAL
PILOT DIAMETER	0.298 INCHES NOMINAL
INNER SERRATION QUANTITY	13
SIDE OUTER SERRATIONS OMITTED FOR CLOSE EDGE INSTALLATION	TWO SIDES
MANUFACTURERS CODE	58536
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE	A-A-59558
MANUFACTURERS CODE	58536
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE	AA59558-203

Restrictions/Controls & Freight Information | NSN 5365-00-385-5330

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:	F	The item is an Aviation Critical Safety Item/Flight Safety Critical Aircraft Part ((ACSI/FSCAP).

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 5365-00-385-5330

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	1 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	1 EA : Each

Category	Code	Description
Cognizance Codes	9B	Navy-owned stocks of DLA material Naval Inventory Control Point, Mechanicsburg
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 EA : Each