Product Details | O-RING

5331-01-026-4387 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: AS568B381, AS568B-381, C0873-70 2-381, C0873702381, 2381, 2-381, 2381C1477, 2-381C147-7, 2381C14770, 2-381C147-70, 2381C87370, 2-381C873-70, 4592686 PIECE 6, 4592686PIECE6, 5331-01-026-4387, 01-026-4387, 5331010264387, 010264387

Hardware and Abrasives | O-Ring

Supply Group (FSG) NSN Assign. NIIN
53 24 AUG 1976 01-026-4387

Demand History | NSN 5331-01-026-4387

Part Number Request Date QTY Origin
2381 2025-07-212 1 United States
5331-01-026-4387 2022-11-317 59 DIBBS
5331-01-026-4387 2021-10-287 47 DIBBS
5331-01-026-4387 2020-01-22 40 DIBBS
5331-01-026-4387 2012-01-23 63 DIBBS

Cross Reference | NSN 5331-01-026-4387

Part Number Cage Code Manufacturer
2-381 D9182 BOSCH REXROTH GMBH LOHMANN +STOLTERFOHT
2-381C147-7 02697 PARKER-HANNIFIN CORPORATION DBA O'RING DIVISION OF PARKER
2-381C147-70 02697 PARKER-HANNIFIN CORPORATION DBA O'RING DIVISION OF PARKER
2-381C147-70 D9182 BOSCH REXROTH GMBH LOHMANN +STOLTERFOHT
2-381C873-70 02697 PARKER-HANNIFIN CORPORATION DBA O'RING DIVISION OF PARKER
4592686 PIECE 6 12934 NAVAL AIR WARFARE CENTER WEAPONS DIV
AS568B-381 81343 SOCIETY OF AUTOMOTIVE ENGINEERS INC
C0873-70 2-381 02697 PARKER-HANNIFIN CORPORATION DBA O'RING DIVISION OF PARKER

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Technical Data | NSN 5331-01-026-4387

Characteristic Specifications
MATERIAL RUBBER CHLOROPRENE CLASS CR
CENTER HOLE DIAMETER 11.910 INCHES MINIMUM AND 12.040 INCHES MAXIMUM
CROSS-SECTIONAL HEIGHT 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM
III END ITEM IDENTIFICATION NIMITZ CLASS CVN; FORRESTAL CLASS CV

Restrictions/Controls & Freight Information | NSN 5331-01-026-4387

Category Code Description
Shelf-Life Code:Y180 months
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:UPrecious 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 179580 STRAPS LEATHER IMITATION LEATHER
Less than car load rating
Less than truck load rating J 100.2
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 5331-01-026-4387

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 CodeY180 months
Purchasing QTY
UOM
1
EA : Each