Product Details | O-RING

5331-01-538-2769 A nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see PACKING,PREFORMED. For noncircular items with a round cross-section, see SEAL,NONMETALLIC ROUND SECTION and RUBBER,ROUND SECTION.

Part Alternates: 1643774 , 404823, 5331-01-538-2769, 01-538-2769, 5331015382769, 015382769

Hardware and Abrasives | O-Ring

Supply Group (FSG) NSN Assign. NIIN
53 16 MAR 2006 01-538-2769

Demand History | NSN 5331-01-538-2769

Part Number Request Date QTY Origin
1643774 2025-09-247 137 DIBBS
404823 2025-09-247 137 DIBBS
1643774 2022-09-258 30 DIBBS
404823 2022-09-258 30 DIBBS
1643774 2022-07-195 5 DIBBS
404823 2022-07-195 5 DIBBS
1643774 2022-06-167 13 DIBBS
404823 2022-06-167 13 DIBBS
1643774 2022-06-153 6 DIBBS
404823 2022-06-153 6 DIBBS
1643774 2020-10-280 5 DIBBS
404823 2020-10-280 5 DIBBS
1643774 2019-07-211 1 DIBBS
404823 2019-07-211 1 DIBBS
5331-01-538-2769 2018-12-352 1 DIBBS
5331-01-538-2769 2017-09-263 3 DIBBS
5331-01-538-2769 2015-04-110 834 DIBBS
5331-01-538-2769 2015-03-62 2 DIBBS
5331-01-538-2769 2015-02-41 5 DIBBS
5331-01-538-2769 2014-05-135 2 DIBBS
5331-01-538-2769 2014-04-91 2 DIBBS
5331-01-538-2769 2011-12-341 1 DIBBS
5331-01-538-2769 2010-07-187 1 DIBBS
5331-01-538-2769 2010-02-32 1 DIBBS
5331-01-538-2769 2009-09-255 1 DIBBS

Cross Reference | NSN 5331-01-538-2769

Part Number Cage Code Manufacturer
1643774 5X050 CRYSTEEL MANUFACTURING, INC. DBA TBEI-CRYSTEEL
404823 5X050 CRYSTEEL MANUFACTURING, INC. DBA TBEI-CRYSTEEL

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Technical Data | NSN 5331-01-538-2769

Characteristic Specifications
MATERIAL RUBBER BUTADIENE NITRILE
HARDNESS RATING 90.0 SHORE DUROMETER A NOMINAL
CENTER HOLE DIAMETER 0.739 INCHES NOMINAL
III END ITEM IDENTIFICATION 3990-01-443-8024, ENGINEERING MISSION MODULE (EMM) FOR THE PALLETIZED LOADING SYSTEM (PLS)
III PART NAME ASSIGNED BY CONTROLLING AGENCY NITRILE 90A DURO AS568-018

Restrictions/Controls & Freight Information | NSN 5331-01-538-2769

Category Code Description
Shelf-Life Code:0Nondeteriorative
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Controlled Inventory Item Code:UUNCLASSIFIED
Precious Metals Indicator Code:AItem 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:0Represents 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 194120 WASHERS/GASKETS/PCKG DVCS NOI
Less than car load rating
Less than truck load rating W Rating Variable
Water commodity Code 596 unknown
Originating Activity Code AZ U.S. Army Tank-Automotive and Armaments
Command
Warren, MI 48397-5000
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 5331-01-538-2769

Category Code Description
Materiel Category and Inventory ManagerT Industrial Supplies (DLA/GSA Items)
Appropriation and Budget Activity2 Stock Fund Secondary Items
Management Inventory Segment2 NONREPARABLE ITEMS (Exclusive of Insurance and Provisioning Items). This code will be used to identify items which are not reparable.
Specific Group/Generic Code0 Medical Materiel
Weapons Systems/End Item or Homogeneous Group00DLA/GSA-Managed Items that cannot be identified to a specific Army Weapons Systems/End Item
Accounting Requirements CodeX 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 SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDADepartment of the Army
Service OrganizationAU.S. Army
ReparabilityZThis is a nonreparable item. If condemned or economically unserviceable, then dispose at the level authorized replace the item.
Acquisition Advice CodesJNOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each