PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B-5001O-Ring

Cooper Machinery Services Llc · NSN 5331-00-292-0570 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-292-0570 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-292-0570. Primary manufacturer part number: B-5001.
Features
  • O-Ring — FSC 5331
  • Center Hole Diameter: 0.728 INCHES MINIMUM AND 0.740 INCHES MAXIMUM IN
  • Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
  • Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
  • 50 verified cross-references
  • Primary manufacturer: Cooper Machinery Services Llc
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 5331-00-292-0570, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Cooper Machinery Services Llc. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 50 commercial cross-references from 39 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
NSN5331-00-292-0570
Primary Part NumberB-5001
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerCooper Machinery Services Llc
StatusCANCELLED
Center Hole Diameter0.728 INCHES MINIMUM AND 0.740 INCHES MAXIMUM IN
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
Cross-Sectional Height0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5331-00-113-848460C115 INTERCHANGEABLE
O-Ring
Pellerin Milnor Corporation
5331-00-250-1209210-750-70 INTERCHANGEABLE
O-Ring
Parker Hannifin Corporation Div O-Ring Division
5310-00-268-7281 INTERCHANGEABLE
Nut,plain,hexagon
5331-00-531-3309 INTERCHANGEABLE
O-Ring
5331-00-559-6182211-7377 INTERCHANGEABLE
O-Ring
Parker Hannifin Corporation Div O-Ring Division
5331-00-580-50567M75-028 INTERCHANGEABLE
O-Ring
The Boeing Company Div Defense
5330-00-950-2320 INTERCHANGEABLE
Packing,preformed
6515-01-153-5074 INTERCHANGEABLE
Suture,absorbable,surgical
6620-01-168-001682715 INTERCHANGEABLE
Gage,pressure,dial Indicating
Stewart-Warner Corporation
5331-01-174-2669 INTERCHANGEABLE
O-Ring
Cross-Reference Index
Part NumberManufacturer
MS28775-210 Bae Systems Land & Armaments L.p. (USA)
A25141-210-479-7 Barksdale, Inc (USA)
A5-4150 Del Mar Avionics, Llc (USA)
9Y11393 Linde Lift Truck Corp. (USA)
DHA60034DA Garwood/feller Inc Garwood Winch Div (USA)
2729394 Zf Industrieantriebe Witten Gmbh (DEU)
5331PL1802757 Jednolity Indeks Materialowy - Uniform Material Index (POL)
2300-79100 Leonardo S.p.a. - Electronics Division - Defence Business Area (ITA)
MS28775-210 Society of Automotive Engineers Inc (USA)
B-5001 PRIMARY Cooper Machinery Services Llc (USA)
20FG40 Hale Products, Inc. (USA)
501461 Army Weapons Command Attn Amswe-Ree-S (USA)
2-210-N304-75 Zf Industrieantriebe Witten Gmbh (DEU)
827-15 Zf Industrieantriebe Witten Gmbh (DEU)
1276-06-635 Leonardo S.p.a. - Electronics Division - Defence Business Area (ITA)
AS568-210MIL-P-5516 CLASS B Society of Automotive Engineers Inc (USA)
72366 Eaton Aerospace, Llc Dba Jackson South (USA)
350684R1 Navistar International Corporation Dba Navistar (USA)
2-210 N304-7 Parker-Hannifin Corp Div O-Ring Division (USA)
AN15SR832-75 Le Joint Francais (FRA)
Related Parts
5331-00-113-8484INTERCHANGEABLE
O-RING
60C115
5331-00-250-1209INTERCHANGEABLE
O-RING
210-750-70
5310-00-268-7281INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5331-00-531-3309INTERCHANGEABLE
O-RING
5331-00-559-6182INTERCHANGEABLE
O-RING
211-7377
5331-00-580-5056INTERCHANGEABLE
O-RING
7M75-028
5330-00-950-2320INTERCHANGEABLE
PACKING,PREFORMED
6515-01-153-5074INTERCHANGEABLE
SUTURE,ABSORBABLE,SURGICAL
6620-01-168-0016INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
82715
5331-01-174-2669INTERCHANGEABLE
O-RING
5331-01-182-7410INTERCHANGEABLE
O-RING
M83461/1-210
5330-01-200-4443INTERCHANGEABLE
PACKING,PREFORMED

Frequently Asked Questions

What is NSN 5331-00-292-0570?

NSN 5331-00-292-0570 is a O-Ring, manufactured by Cooper Machinery Services Llc, classified under FSC 5331 (O-Ring). Status: cancelled.

What are the part numbers for NSN 5331-00-292-0570?

NSN 5331-00-292-0570 has 50 cross-referenced part numbers: MS28775-210 (Bae Systems Land & Armaments L.p.), A25141-210-479-7 (Barksdale, Inc), A5-4150 (Del Mar Avionics, Llc), 9Y11393 (Linde Lift Truck Corp.), DHA60034DA (Garwood/feller Inc Garwood Winch Div) and 45 more.

What NSN replaces 5331-00-292-0570?

There are 12 known substitutes for 5331-00-292-0570: 5331-00-113-8484, 5331-00-250-1209, 5310-00-268-7281 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B-5001?

Key specifications for B-5001: Center Hole Diameter: 0.728 INCHES MINIMUM AND 0.740 INCHES MAXIMUM IN; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR; Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN. 3 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5331-00-292-0570 still in active supply?

NSN 5331-00-292-0570 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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