PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS28775-443O-Ring

Sae International Dba Sae International · NSN 5331-00-815-2450 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-815-2450 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-815-2450. Primary manufacturer part number: MS28775-443.
Features
  • O-Ring — FSC 5331
  • 22 verified cross-references
  • Primary manufacturer: Sae International Dba Sae International
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-00-815-2450, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Sae International Dba Sae International. This item has 22 commercial cross-references from 14 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameO-Ring
FSC / FSG5331 — O-Ring (FSG 53)
ManufacturersCmb Industries Bailey Div (CAGE 05163); Parker Hannifin Corporation Div O-Ring Division (CAGE 25184); Aeronautical Standards Group Dept of Navy and Air Force (CAGE 88044); Tactair Fluid Controls Inc (CAGE 70236); Parco, Llc (CAGE 77308)
Technical Specifications
ParameterValue
NSN5331-00-815-2450
Primary Part NumberMS28775-443
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerSae International Dba Sae International
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5330-00-197-9613 INTERCHANGEABLE
Packing,preformed
5330-00-857-5765 INTERCHANGEABLE
Packing,preformed
9905-01-045-5935900120 INTERCHANGEABLE
Plate,instruction
Airmark Plastics Corp
5331-01-304-9821 INTERCHANGEABLE
O-Ring
5340-01-698-4294157-005 INTERCHANGEABLE
Bracket,mounting
Glenair, Inc.
8465-01-706-581490012.0 INTERCHANGEABLE
Carrier,pistol Holster
Lag Tactical Inc
Cross-Reference Index
Part NumberManufacturer
RWS-568-443 Cmb Industries Bailey Div (USA)
443-846-70 Parker Hannifin Corporation Div O-Ring Division (USA)
AN6227-70 Aeronautical Standards Group Dept of Navy and Air Force (USA)
36001-443 Tactair Fluid Controls Inc (USA)
PRP568-443-4067-70 Parco, Llc (USA)
MS28775-443 Society of Automotive Engineers Inc (USA)
08-60001-16 York Industries, Inc. (USA)
PRP443-7377 Parker Hannifin Corporation Div O-Ring Division (USA)
RWS-568-443 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
SAE-AS28775 Sae International Dba Sae International (USA)
443-7377 Parker Hannifin Corporation Div O-Ring Division (USA)
MS28775-443 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
157005 Prince Alexander Partners Inc Div Architecture Engieering and Economic Development (USA)
5330008152450 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
MS28775-443ES Eriks B.v. (NLD)
AS568-443 MIL-P-25732 Society of Automotive Engineers Inc (USA)
AS568-443 MIL-P-25732 Sae International Dba Sae International (USA)
MS28775-443 PRIMARY Sae International Dba Sae International (USA)
08-60001-16 Tactair Fluid Controls Inc (USA)
36001-443 York Industries, Inc. (USA)
Related Parts
5330-00-197-9613INTERCHANGEABLE
PACKING,PREFORMED
5330-00-857-5765INTERCHANGEABLE
PACKING,PREFORMED
9905-01-045-5935INTERCHANGEABLE
PLATE,INSTRUCTION
900120
5331-01-304-9821INTERCHANGEABLE
O-RING
5340-01-698-4294INTERCHANGEABLE
BRACKET,MOUNTING
157-005
8465-01-706-5814INTERCHANGEABLE
CARRIER,PISTOL HOLSTER
90012.0

Frequently Asked Questions

What is NSN 5331-00-815-2450?

NSN 5331-00-815-2450 is a O-Ring, manufactured by Sae International Dba Sae International, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-00-815-2450?

NSN 5331-00-815-2450 has 22 cross-referenced part numbers: RWS-568-443 (Cmb Industries Bailey Div), 443-846-70 (Parker Hannifin Corporation Div O-Ring Division), AN6227-70 (Aeronautical Standards Group Dept of Navy and Air Force), 36001-443 (Tactair Fluid Controls Inc), PRP568-443-4067-70 (Parco, Llc) and 17 more.

What NSN replaces 5331-00-815-2450?

There are 6 known substitutes for 5331-00-815-2450: 5330-00-197-9613, 5330-00-857-5765, 9905-01-045-5935 and 3 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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