PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS29513-340O-Ring

Sae International Dba Sae International · NSN 5331-00-251-9373 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-251-9373 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-251-9373. Primary manufacturer part number: MS29513-340.
Features
  • O-Ring — FSC 5331
  • Outside Diameter: 3.736 INCHES MINIMUM AND 3.804 INCHES MAXIMUM IN
  • Cross-Sectional Height: 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
  • Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
  • Center Hole Diameter: 3.335 INCHES MINIMUM AND 3.365 INCHES MAXIMUM IN
  • 33 verified cross-references
  • Primary manufacturer: Sae International Dba Sae International
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 5331-00-251-9373, 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. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 33 commercial cross-references from 22 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5331-00-251-9373
Primary Part NumberMS29513-340
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerSae International Dba Sae International
StatusCANCELLED
Outside Diameter3.736 INCHES MINIMUM AND 3.804 INCHES MAXIMUM IN
Cross-Sectional Height0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
Center Hole Diameter3.335 INCHES MINIMUM AND 3.365 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
5331-00-585-0397AS3578-340 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5310-00-841-6382580170 INTERCHANGEABLE
Washer,flat
Hydro-Aire Aerospace Corp
5331-01-320-2374 INTERCHANGEABLE
O-Ring
5140-01-533-446984327 INTERCHANGEABLE
Tool Box,portable
Northern Tool & Equipment Catalog Holdings, Inc.
Cross-Reference Index
Part NumberManufacturer
MS29513-340 Society of Automotive Engineers Inc (USA)
AS29513-340 Society of Automotive Engineers Inc (USA)
2-340 N674-70 Zf Industrieantriebe Witten Gmbh (DEU)
RT253-65-340 Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp (USA)
83687 ITEM 12 Emerson Process Management Valve Automation, Inc. (USA)
PX1775-340 Acushnet Rubber Company, Inc. Dba Precix (USA)
725-70-340 Trostel Albert Packing Ltd (USA)
5331PL0844913 Jednolity Indeks Materialowy - Uniform Material Index (POL)
568-340-70D Emerson Process Management Valve Automation, Inc. (USA)
5331PL1805029 Jednolity Indeks Materialowy - Uniform Material Index (POL)
MS29513-340 PRIMARY Sae International Dba Sae International (USA)
MS9021-340 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
PRP340 Zf Industrieantriebe Witten Gmbh (DEU)
60-P-31-340 West American Rubber Co Extrude Products Div (USA)
11612011 PRIMARY U S Army Tank Automotive Command Amsta-Im-Mm (USA)
SR-822A-60-340 Stillman Seal Corporation Div Stillman Seal Corperation (USA)
340-7866 PRIMARY Parker Hannifin Corporation Div O-Ring Division (USA)
MS29513-340 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
AS29513-340 Sae International Dba Sae International (USA)
2-340 N602-70 Parker Hannifin Gmbh O-Ring Division (DEU)
Related Parts
5331-00-585-0397INTERCHANGEABLE
O-RING
AS3578-340
5310-00-841-6382INTERCHANGEABLE
WASHER,FLAT
580170
5331-01-320-2374INTERCHANGEABLE
O-RING
5140-01-533-4469INTERCHANGEABLE
TOOL BOX,PORTABLE
84327

Frequently Asked Questions

What is NSN 5331-00-251-9373?

NSN 5331-00-251-9373 is a O-Ring, manufactured by Sae International Dba Sae International, classified under FSC 5331 (O-Ring). Status: cancelled.

What are the part numbers for NSN 5331-00-251-9373?

NSN 5331-00-251-9373 has 33 cross-referenced part numbers: MS29513-340 (Society of Automotive Engineers Inc), AS29513-340 (Society of Automotive Engineers Inc), 2-340 N674-70 (Zf Industrieantriebe Witten Gmbh), RT253-65-340 (Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp), 83687 ITEM 12 (Emerson Process Management Valve Automation, Inc.) and 28 more.

What NSN replaces 5331-00-251-9373?

There are 4 known substitutes for 5331-00-251-9373: 5331-00-585-0397, 5310-00-841-6382, 5331-01-320-2374 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MS29513-340?

Key specifications for MS29513-340: Outside Diameter: 3.736 INCHES MINIMUM AND 3.804 INCHES MAXIMUM IN; Cross-Sectional Height: 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR; Center Hole Diameter: 3.335 INCHES MINIMUM AND 3.365 INCHES MAXIMUM IN. 4 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5331-00-251-9373 still in active supply?

NSN 5331-00-251-9373 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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