Product Details | O-RING

5331-00-279-9353 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: M25988/1-242, M259881242, MIL-R-25988/1, MILR259881, 2242L67770, 2-242L677-70, 2661058Y242, 5331-00-279-9353, 00-279-9353, 5331002799353, 002799353

Hardware and Abrasives | O-Ring

Supply Group (FSG) NSN Assign. NIIN
53 22 AUG 1973 00-279-9353

Demand History | NSN 5331-00-279-9353

Part Number Request Date QTY Origin
5331-00-279-9353 2025-06-162 1267 DIBBS
5331-00-279-9353 2025-05-147 1267 DIBBS
5331-00-279-9353 2024-05-135 494 DIBBS
5331-00-279-9353 2024-04-120 494 DIBBS
5331-00-279-9353 2023-05-121 1680 DIBBS
5331-00-279-9353 2022-04-109 841 DIBBS
5331-00-279-9353 2022-04-94 841 DIBBS
5331-00-279-9353 2020-02-41 3025 DIBBS
5331-00-279-9353 2020-01-21 2023 DIBBS
5331-00-279-9353 2017-02-53 26 MANUAL
M259881242 2017-01-23 30 HK
MIL-R-25988/1 2016-03-81 13 United States
5331-00-279-9353 2014-09-246 5123 DIBBS
5331-00-279-9353 2014-08-234 5123 DIBBS
5331-00-279-9353 2014-07-212 5123 DIBBS
5331-00-279-9353 2012-11-314 4000 DIBBS
MILR259881 2012-10-284 2 United States
5331-00-279-9353 2012-09-261 4000 DIBBS
5331-00-279-9353 2012-03-90 4000 DIBBS
5331-00-279-9353 2012-01-18 2000 DIBBS
5331-00-279-9353 2011-10-292 1314 DIBBS
5331-00-279-9353 2011-01-03 1397 DIBBS
2661058Y242 2010-09-265 49 US

Cross Reference | NSN 5331-00-279-9353

Part Number Cage Code Manufacturer
2-242L677-70 02697 PARKER-HANNIFIN CORPORATION DBA O'RING DIVISION OF PARKER
2661058Y242 09790 EATON AEROSPACE LLC DBA STERER ENGINEERING DIV VALVE &
M25988/1-242 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY
MIL-R-25988/1 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY

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Technical Data | NSN 5331-00-279-9353

Characteristic Specifications
MATERIAL RUBBER FLUOROSILICONE CLASS FQ
CENTER HOLE DIAMETER 3.956 INCHES MINIMUM AND 4.012 INCHES MAXIMUM
CROSS-SECTIONAL HEIGHT 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM
MANUFACTURERS CODE 81349
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE MIL-R-25988/1
MANUFACTURERS CODE 81349
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE M25988/1-242

Restrictions/Controls & Freight Information | NSN 5331-00-279-9353

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.
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 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 5331-00-279-9353

Category Code Description
Budget Code9 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 CodeSFStock fund applicable to items managed for the Air Force by the respective Inventory Control Point.
Materiel Management Aggregation CodeSXSX:AF SICA RESIDUAL MMAC-OC-ALC
Price ValidationV 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 SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDFDepartment of the Air Force
Service OrganizationFU.S. Air Force
ReparabilityNStock Fund (except Munitions)
Acquisition Advice CodesDDoD 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 CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each
Category Code Description
Cognizance Codes9BNavy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesDDoD 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 CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each