PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

91025PN57O-Ring

American Metal Bearing Co Dba Amb Engineering & Machining Solutions · NSN 5331-01-494-3178 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-494-3178 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-494-3178. Primary manufacturer part number: 91025PN57.
Features
  • O-Ring — FSC 5331
  • 2 verified cross-references
  • Primary manufacturer: American Metal Bearing Co Dba Amb Engineering & Machining Solutions
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-01-494-3178, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is American Metal Bearing Co Dba Amb Engineering & Machining Solutions. This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameO-Ring
FSC / FSG5331 — O-Ring (FSG 53)
ManufacturersAmerican Metal Bearing Co Dba Amb Engineering & Machining Solutions (CAGE 70508)
Technical Specifications
ParameterValue
NSN5331-01-494-3178
Primary Part Number91025PN57
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerAmerican Metal Bearing Co Dba Amb Engineering & Machining Solutions
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5998-00-373-7008100222 INTERCHANGEABLE
Circuit Card Assembly
Bafco Inc.
6645-01-263-9434100222 INTERCHANGEABLE
Meter,time Totalizing
Maxima Technologies & Systems Llc
6645-01-288-5473100222 INTERCHANGEABLE
Meter,time Totalizing
Fuel Systems Inc
6645-01-355-8913100222 INTERCHANGEABLE
Meter,time Totalizing
Precision Speed Instruments Inc
5910-01-411-6721100222 INTERCHANGEABLE
Capacitor,fixed,ceramic Dielectr
Wavetek Rf Products, Inc
4810-01-420-794810022-2 INTERCHANGEABLE
Valve,angle
Morpac Industries, Inc Div Actuator
5998-01-548-0246100.222 INTERCHANGEABLE
Circuit Card Assembly
International Met Systems Inc Dba Intermet Systems
5998-01-683-099410-0222 INTERCHANGEABLE
Circuit Card Assembly
Wilson Company Dba Wilson Co
1005-01-717-0748100-222 INTERCHANGEABLE
Stock,gun,shoulder
Reptilia Llc
6130-01-723-8100100-222 INTERCHANGEABLE
Power Supply
Mesa Laboratories, Inc.
Cross-Reference Index
Part NumberManufacturer
91025PN57 PRIMARY American Metal Bearing Co Dba Amb Engineering & Machining Solutions (USA)
100222 American Metal Bearing Co Dba Amb Engineering & Machining Solutions (USA)
Related Parts
5998-00-373-7008INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
100222
6645-01-263-9434INTERCHANGEABLE
METER,TIME TOTALIZING
100222
6645-01-288-5473INTERCHANGEABLE
METER,TIME TOTALIZING
100222
6645-01-355-8913INTERCHANGEABLE
METER,TIME TOTALIZING
100222
5910-01-411-6721INTERCHANGEABLE
CAPACITOR,FIXED,CERAMIC DIELECTR
100222
4810-01-420-7948INTERCHANGEABLE
VALVE,ANGLE
10022-2
5998-01-548-0246INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
100.222
5998-01-683-0994INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
10-0222
1005-01-717-0748INTERCHANGEABLE
STOCK,GUN,SHOULDER
100-222
6130-01-723-8100INTERCHANGEABLE
POWER SUPPLY
100-222

Frequently Asked Questions

What is NSN 5331-01-494-3178?

NSN 5331-01-494-3178 is a O-Ring, manufactured by American Metal Bearing Co Dba Amb Engineering & Machining Solutions, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-494-3178?

NSN 5331-01-494-3178 has 2 cross-referenced part numbers: 91025PN57 (American Metal Bearing Co Dba Amb Engineering & Machining Solutions), 100222 (American Metal Bearing Co Dba Amb Engineering & Machining Solutions).

What NSN replaces 5331-01-494-3178?

There are 10 known substitutes for 5331-01-494-3178: 5998-00-373-7008, 6645-01-263-9434, 6645-01-288-5473 and 7 more. Verify interchangeability with system specifications before substitution.

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