PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AV172-731 ITEM 3O-Ring

Automatic Switch Company Dba Asco · NSN 5331-00-676-9239 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-676-9239 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-676-9239. Primary manufacturer part number: AV172-731 ITEM 3.
Features
  • O-Ring — FSC 5331
  • Center Hole Diameter: 0.974 INCHES MINIMUM AND 0.994 INCHES MAXIMUM IN
  • Cross-Sectional Height: 0.125 INCHES NOMINAL IN
  • Outside Diameter: 1.262 INCHES NOMINAL IN
  • Material: RUBBER SYNTHETIC
  • 21 verified cross-references
  • Primary manufacturer: Automatic Switch Company Dba Asco
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Synthetic construction
General Description

The O-Ring, cataloged under National Stock Number 5331-00-676-9239, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Automatic Switch Company Dba Asco. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 21 commercial cross-references from 14 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5331-00-676-9239
Primary Part NumberAV172-731 ITEM 3
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerAutomatic Switch Company Dba Asco
StatusCANCELLED
Center Hole Diameter0.974 INCHES MINIMUM AND 0.994 INCHES MAXIMUM IN
Cross-Sectional Height0.125 INCHES NOMINAL IN
Outside Diameter1.262 INCHES NOMINAL IN
MaterialRUBBER SYNTHETIC
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 11
1660-00-241-881724628 INTERCHANGEABLE
Outlet,valve,shutof
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
5331-00-263-8020PRP902-19-7657 INTERCHANGEABLE
O-Ring
Parker Hannifin Corporation Div O-Ring Division
5331-00-482-44597-57-010 INTERCHANGEABLE
O-Ring
Akron Brass Company
5331-00-492-8759ARP568-214AMS3651 INTERCHANGEABLE
O-Ring
Parker-Hannifin Corp Div O-Ring Division
5331-00-595-63282285AA INTERCHANGEABLE
O-Ring
Carlisle & Finch Co
5965-00-677-1461M413 INTERCHANGEABLE
Windshield,micropho
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5310-01-140-7994 INTERCHANGEABLE
Washer,key
6110-01-279-434024628 INTERCHANGEABLE
Starter,motor
Ward Leonard Ct Llc
4820-01-412-3668 INTERCHANGEABLE
Valve,damper
5925-01-492-0006QOB115VHGFI INTERCHANGEABLE
Circuit Breaker
Schneider Electric Usa, Inc.
Cross-Reference Index
Part NumberManufacturer
AV172-731 ITEM 3 Automatic Switch Company Dba Asco (USA)
D95001-214 Dynex/rivett Corp Power Units and Systems (USA)
1E2167B White Farm Equipment Co Sub of Tic Investment Corp
120RCLASS20V19 Society of Automotive Engineers Inc (USA)
95000-214 Dynex/rivett Corp Power Units and Systems (USA)
B-6248 Cooper Machinery Services Llc (USA)
5427-19 Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters (USA)
24628 Davey Compressor Co Div of Keco Industries Inc (USA)
24628 Jenny Products, Inc (USA)
5331PL0634404 Jednolity Indeks Materialowy - Uniform Material Index (POL)
95000-214 Dynex/rivett Inc. (USA)
AS568B-214 Society of Automotive Engineers Inc (USA)
B6248 Imo Delaval Inc (USA)
GV22-525-19-70D Automatic Switch Company Dba Asco (USA)
AP24628 Davey Compressor Co Div of Keco Industries Inc (USA)
5427-19 Arrow-Master, Incorporated (USA)
GV22-525PC19 Automatic Switch Company Dba Asco (USA)
542719 Arrow-Master, Incorporated (USA)
AP24628 Jenny Products, Inc (USA)
5427-19 Parker-Hannifin Corp Div O-Ring Division (USA)
Related Parts
1660-00-241-8817INTERCHANGEABLE
OUTLET,VALVE,SHUTOF
24628
5331-00-263-8020INTERCHANGEABLE
O-RING
PRP902-19-7657
5331-00-482-4459INTERCHANGEABLE
O-RING
7-57-010
5331-00-492-8759INTERCHANGEABLE
O-RING
ARP568-214AMS3651
5331-00-595-6328INTERCHANGEABLE
O-RING
2285AA
5965-00-677-1461INTERCHANGEABLE
WINDSHIELD,MICROPHO
M413
5310-01-140-7994INTERCHANGEABLE
WASHER,KEY
6110-01-279-4340INTERCHANGEABLE
STARTER,MOTOR
24628
4820-01-412-3668INTERCHANGEABLE
VALVE,DAMPER
5925-01-492-0006INTERCHANGEABLE
CIRCUIT BREAKER
QOB115VHGFI
6515-01-599-4254INTERCHANGEABLE
NAIL,BONE
100300

Frequently Asked Questions

What is NSN 5331-00-676-9239?

NSN 5331-00-676-9239 is a O-Ring, manufactured by Automatic Switch Company Dba Asco, classified under FSC 5331 (O-Ring). Status: cancelled.

What are the part numbers for NSN 5331-00-676-9239?

NSN 5331-00-676-9239 has 21 cross-referenced part numbers: AV172-731 ITEM 3 (Automatic Switch Company Dba Asco), D95001-214 (Dynex/rivett Corp Power Units and Systems), 1E2167B (White Farm Equipment Co Sub of Tic Investment Corp), 120RCLASS20V19 (Society of Automotive Engineers Inc), 95000-214 (Dynex/rivett Corp Power Units and Systems) and 16 more.

What NSN replaces 5331-00-676-9239?

There are 11 known substitutes for 5331-00-676-9239: 1660-00-241-8817, 5331-00-263-8020, 5331-00-482-4459 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AV172-731 ITEM 3?

Key specifications for AV172-731 ITEM 3: Center Hole Diameter: 0.974 INCHES MINIMUM AND 0.994 INCHES MAXIMUM IN; Cross-Sectional Height: 0.125 INCHES NOMINAL IN; Outside Diameter: 1.262 INCHES NOMINAL IN; Material: RUBBER SYNTHETIC. 4 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5331-00-676-9239 still in active supply?

NSN 5331-00-676-9239 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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