PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5304-0300O-Ring

Kidde-Fenwal, Llc · NSN 5331-00-580-5937 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-580-5937 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-580-5937. Primary manufacturer part number: 5304-0300.
Features
  • O-Ring — FSC 5331
  • Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
  • Center Hole Diameter: 0.171 INCHES MINIMUM AND 0.181 INCHES MAXIMUM IN
  • Outside Diameter: 0.316 INCHES NOMINAL IN
  • Elongation Percentage: 250 MAXIMUM
  • Hardness Rating: 70.0 SHORE DUROMETER A NOMINAL
  • Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN
  • 29 verified cross-references
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Butadiene-Acrylonitrile Class Nbr construction
General Description

The O-Ring, cataloged under National Stock Number 5331-00-580-5937, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Kidde-Fenwal, Llc. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 29 commercial cross-references from 21 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5331-00-580-5937
Primary Part Number5304-0300
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerKidde-Fenwal, Llc
StatusCANCELLED
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
Center Hole Diameter0.171 INCHES MINIMUM AND 0.181 INCHES MAXIMUM IN
Outside Diameter0.316 INCHES NOMINAL IN
Elongation Percentage250 MAXIMUM
Hardness Rating70.0 SHORE DUROMETER A NOMINAL
Cross-Sectional Height0.067 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
4730-00-472-5058D2466 COUPLING NPS 3/4 PVCI INTERCHANGEABLE
Coupling,pipe
American Society for Testing and Materials Dba Astm International
5331-00-684-2547MS29561 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-00-902-0917NM072 A7362-278 INTERCHANGEABLE
O-Ring
Parker-Hannifin Corp Div O-Ring Division
5340-00-913-0645571729 INTERCHANGEABLE
Seat,helical Compression Spring
Hamilton Sundstrand Corporation Dba Collins Aerospace
5331-01-011-2203008 VITON INTERCHANGEABLE
O-Ring
Petrometer Corp
4820-01-157-4210008 INTERCHANGEABLE
Valve,pilot
Dunns Valve Testers Inc
5975-01-343-1709008 INTERCHANGEABLE
Hanger,cable
Renton Coil Spring Company
8145-01-522-8344008 INTERCHANGEABLE
Container,hum Vatts
Pikes Peak Cargo Secure, Inc
1385-01-642-2721 INTERCHANGEABLE
Remote Handling Set,explosive or
Cross-Reference Index
Part NumberManufacturer
5304-0300 PRIMARY Kidde-Fenwal, Llc (USA)
008 PRIMARY Parker Hannifin Corporation Div O-Ring Division (USA)
S8057AY3 PRIMARY Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) (USA)
S8057AY3 Alliedsignal Inc Dba Allied-Signal Aerospace Co (USA)
AS568-008 C83 Hutchinson Seal Corporation (USA)
MS29561-008 PRIMARY Sae International Dba Sae International (USA)
299C410P8 PRIMARY General Electric Company Dba Ge Aerospace (USA)
S8057K3 Proponent, Inc. Dba Proponent (USA)
MS29561-008ES Eriks B.v. (NLD)
MS29561-8 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MS29561-008 Aviation Spares and Repairs Ltd (GBR)
5331PL0143890 Jednolity Indeks Materialowy - Uniform Material Index (POL)
571729 PRIMARY Purolator Facet Inc. Div Parker Aerospace Filtration Division Dba Purolator Facet, in (USA)
S8057K3 PRIMARY Honeywell International Inc. Div Aerospace - Torrance (USA)
MS29561-008 Society of Automotive Engineers Inc (USA)
S8057K3 Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix (USA)
AS008-C83 Hutchinson Seal Corporation (USA)
335741-8 Zf Industrieantriebe Witten Gmbh (DEU)
MS29561-008 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
S8057V3 Honeywell International Inc. Div Aerospace - Torrance (USA)
Related Parts
4730-00-472-5058INTERCHANGEABLE
COUPLING,PIPE
D2466 COUPLING NPS 3/4 PVCI
5331-00-684-2547INTERCHANGEABLE
O-RING
MS29561
5331-00-902-0917INTERCHANGEABLE
O-RING
NM072 A7362-278
5340-00-913-0645INTERCHANGEABLE
SEAT,HELICAL COMPRESSION SPRING
571729
5331-01-011-2203INTERCHANGEABLE
O-RING
008 VITON
4820-01-157-4210INTERCHANGEABLE
VALVE,PILOT
008
5975-01-343-1709INTERCHANGEABLE
HANGER,CABLE
008
8145-01-522-8344INTERCHANGEABLE
CONTAINER,HUM VATTS
008
1385-01-642-2721INTERCHANGEABLE
REMOTE HANDLING SET,EXPLOSIVE OR

Frequently Asked Questions

What is NSN 5331-00-580-5937?

NSN 5331-00-580-5937 is a O-Ring, manufactured by Kidde-Fenwal, Llc, classified under FSC 5331 (O-Ring). Status: cancelled.

What are the part numbers for NSN 5331-00-580-5937?

NSN 5331-00-580-5937 has 29 cross-referenced part numbers: 5304-0300 (Kidde-Fenwal, Llc), 008 (Parker Hannifin Corporation Div O-Ring Division), S8057AY3 (Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)), S8057AY3 (Alliedsignal Inc Dba Allied-Signal Aerospace Co), AS568-008 C83 (Hutchinson Seal Corporation) and 24 more.

What NSN replaces 5331-00-580-5937?

There are 9 known substitutes for 5331-00-580-5937: 4730-00-472-5058, 5331-00-684-2547, 5331-00-902-0917 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5304-0300?

Key specifications for 5304-0300: Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR; Center Hole Diameter: 0.171 INCHES MINIMUM AND 0.181 INCHES MAXIMUM IN; Outside Diameter: 0.316 INCHES NOMINAL IN; Elongation Percentage: 250 MAXIMUM. 6 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5331-00-580-5937 still in active supply?

NSN 5331-00-580-5937 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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