PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M83248/2-904O-Ring

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5331-01-331-8137 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-331-8137 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-331-8137. Primary manufacturer part number: M83248/2-904.
Features
  • O-Ring — FSC 5331
  • Cross-Sectional Height: 0.069 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN
  • Peripheral Diameter: 0.495 INCHES NOMINAL IN
  • Hardness Rating: 90.0 SHORE DUROMETER A NOMINAL
  • Temp Rating: -65.0 FAHRENHEIT AND 160.0 FAHRENHEIT DEGF
  • Criticality Code Justification: ZZZW
  • Departure From Cited Document: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
  • Center Hole Diameter: 0.346 INCHES MINIMUM AND 0.356 INCHES MAXIMUM IN
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-01-331-8137, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 16 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5331-01-331-8137
Primary Part NumberM83248/2-904
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusCANCELLED
Cross-Sectional Height0.069 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN
Peripheral Diameter0.495 INCHES NOMINAL IN
Hardness Rating90.0 SHORE DUROMETER A NOMINAL
Temp Rating-65.0 FAHRENHEIT AND 160.0 FAHRENHEIT DEGF
Criticality Code JustificationZZZW
Departure From Cited DocumentMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
Center Hole Diameter0.346 INCHES MINIMUM AND 0.356 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5331-00-021-2891AMS-P-5510 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-00-065-0234205-160-904 INTERCHANGEABLE
O-Ring
Aerocontrolex Group, Inc.
5331-00-167-5172AS3581-904 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-00-185-036625C85-22 INTERCHANGEABLE
O-Ring
Grimes Aerospace Company
5331-00-187-61053-904E603-70 INTERCHANGEABLE
O-Ring
Parker-Hannifin Corp Div O-Ring Division
5331-00-251-8839MS28778-12 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-00-558-19015130-534049-4 INTERCHANGEABLE
O-Ring
Parker Hannifin Corporation Div Aerospace Group Headquarters
5331-00-804-569410596841-11 INTERCHANGEABLE
O-Ring
Us Army Aviation and Missile Command
5331-00-804-5695MS28778-6 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-00-805-2966MS28778-4 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
M83248/2-904 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
AMS-P-5510 Society of Automotive Engineers Inc (USA)
01010-5PC31 Tescom Corp Instrument Div (USA)
20213FIND16 Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
MS28778-04 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
AS568-904 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
20221FIND30 Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
MS28778-4 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MS28778-04 Society of Automotive Engineers Inc (USA)
20235FIND30 Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
250-6316669P/OITEM50 Naval Sea Systems Command (USA)
AMS-P-5510 Sae International Dba Sae International (USA)
01010 PC 31 Tescom Corp Instrument Div (USA)
2621-906-19PC21 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
5330PL1036700 Jednolity Indeks Materialowy - Uniform Material Index (POL)
MS28778-04 Sae International Dba Sae International (USA)
Related Parts
5331-00-021-2891INTERCHANGEABLE
O-RING
AMS-P-5510
5331-00-065-0234INTERCHANGEABLE
O-RING
205-160-904
5331-00-167-5172INTERCHANGEABLE
O-RING
AS3581-904
5331-00-185-0366INTERCHANGEABLE
O-RING
25C85-22
5331-00-187-6105INTERCHANGEABLE
O-RING
3-904E603-70
5331-00-251-8839INTERCHANGEABLE
O-RING
MS28778-12
5331-00-558-1901INTERCHANGEABLE
O-RING
5130-534049-4
5331-00-804-5694INTERCHANGEABLE
O-RING
10596841-11
5331-00-804-5695INTERCHANGEABLE
O-RING
MS28778-6
5331-00-805-2966INTERCHANGEABLE
O-RING
MS28778-4
5331-00-891-8851INTERCHANGEABLE
O-RING
N0674 3-904
5331-00-892-2289INTERCHANGEABLE
O-RING
3-906N507-9

Frequently Asked Questions

What is NSN 5331-01-331-8137?

NSN 5331-01-331-8137 is a O-Ring, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5331 (O-Ring). Status: cancelled.

What are the part numbers for NSN 5331-01-331-8137?

NSN 5331-01-331-8137 has 16 cross-referenced part numbers: M83248/2-904 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), AMS-P-5510 (Society of Automotive Engineers Inc), 01010-5PC31 (Tescom Corp Instrument Div), 20213FIND16 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), MS28778-04 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M) and 11 more.

What NSN replaces 5331-01-331-8137?

There are 12 known substitutes for 5331-01-331-8137: 5331-00-021-2891, 5331-00-065-0234, 5331-00-167-5172 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of M83248/2-904?

Key specifications for M83248/2-904: Cross-Sectional Height: 0.069 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN; Peripheral Diameter: 0.495 INCHES NOMINAL IN; Hardness Rating: 90.0 SHORE DUROMETER A NOMINAL; Temp Rating: -65.0 FAHRENHEIT AND 160.0 FAHRENHEIT DEGF. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5331-01-331-8137 still in active supply?

NSN 5331-01-331-8137 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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