Product Details | O-RING

5331-00-283-4578 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: M25988/1-153, M25988/1-153ES, M259881153, M259881153ES, MILR25988, 9244553, 92445-53, 945153, 94515-3, 5331-00-283-4578, 00-283-4578, 5331002834578, 002834578

Hardware and Abrasives | O-Ring

Supply Group (FSG) NSN Assign. NIIN
53 31 AUG 1973 00-283-4578

Demand History | NSN 5331-00-283-4578

Part Number Request Date QTY Origin
5331-00-283-4578 2025-11-317 697 DIBBS
5331-00-283-4578 2024-05-122 1641 DIBBS
5331-00-283-4578 2023-09-269 1776 DIBBS
5331-00-283-4578 2023-07-190 1248 DIBBS
5331-00-283-4578 2023-06-164 820 DIBBS
5331-00-283-4578 2019-08-219 916 DIBBS
5331-00-283-4578 2017-06-155 1605 DIBBS
5331-00-283-4578 2016-06-157 1165 DIBBS
MILR25988 2016-03-81 28 United States
MILR25988 2016-03-81 28 United States
MILR25988 2016-03-81 55 United States
MILR25988 2016-03-81 15 United States
MILR25988 2016-03-81 100 United States
5331-00-283-4578 2016-03-73 1525 DIBBS
M25988/1-153 2016-01-18 2 United States
5331-00-283-4578 2015-03-63 934 DIBBS
5331-00-283-4578 2014-08-236 1043 DIBBS
M25988/1-153 2014-06-157 50 United States
5331-00-283-4578 2012-11-316 1400 DIBBS
5331-00-283-4578 2012-01-04 800 DIBBS
5331-00-283-4578 2011-06-154 1003 DIBBS
5331-00-283-4578 2010-02-55 10 US
5331-00-283-4578 2010-01-25 1063 DIBBS
MILR25988 2009-04-106 1 US
5331-00-283-4578 2009-02-42 800 DIBBS

Cross Reference | NSN 5331-00-283-4578

Part Number Cage Code Manufacturer
92445-53 59875 EATON INDUSTRIAL CORPORATION DBA ARGO-TECH
94515-3 59875 EATON INDUSTRIAL CORPORATION DBA ARGO-TECH
M25988/1-153 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY
M25988/1-153ES H2313 ERIKS B.V.
MILR25988 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY

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Technical Data | NSN 5331-00-283-4578

Characteristic Specifications
MATERIAL RUBBER FLUOROSILICONE CLASS FQ
CENTER HOLE DIAMETER 3.463 INCHES MINIMUM AND 3.511 INCHES MAXIMUM
CROSS-SECTIONAL HEIGHT 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM
MANUFACTURERS CODE 81349
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE MILR25988
MANUFACTURERS CODE 81349
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE M25988/1-153

Restrictions/Controls & Freight Information | NSN 5331-00-283-4578

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:FThe item is an Aviation Critical Safety Item/Flight Safety Critical Aircraft Part ((ACSI/FSCAP).
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
No Freight Information