PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4000-12O-Ring

Air-Way Manufacturing Company · NSN 5331-01-155-1783 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-155-1783 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-155-1783. Primary manufacturer part number: 4000-12.
Features
  • O-Ring — FSC 5331
  • 2 verified cross-references
  • Primary manufacturer: Air-Way Manufacturing Company
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-01-155-1783, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Air-Way Manufacturing Company. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameO-Ring
FSC / FSG5331 — O-Ring (FSG 53)
ManufacturersAir-Way Manufacturing Company (CAGE 22031); Bomag Usa Sub of United Dominion Industries Ltd (CAGE 09605)
Technical Specifications
ParameterValue
NSN5331-01-155-1783
Primary Part Number4000-12
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerAir-Way Manufacturing Company
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5306-00-151-1417 INTERCHANGEABLE
Bolt,machine
3120-01-474-9326 INTERCHANGEABLE
Bushing,sleeve
6520-01-514-6644400012 INTERCHANGEABLE
Tail Spring for Amalgamator
Dentsply Sirona Inc. Dba Dentsply Caulk Div Caulk Division
4130-01-568-2838400012 INTERCHANGEABLE
Cooler Unit,air
Space-More Corp
5331-01-613-01804000-12 INTERCHANGEABLE
O-Ring
Brennan Industries
5331-01-669-24384076 INTERCHANGEABLE
O-Ring
Buffalo Turbine Defense Llc
5995-01-675-5867400012 INTERCHANGEABLE
Case,cable Assembly
Pathfinder Digital Llc
Cross-Reference Index
Part NumberManufacturer
4000-12 Air-Way Manufacturing Company (USA)
855011034 Bomag Usa Sub of United Dominion Industries Ltd (USA)
Related Parts
5306-00-151-1417INTERCHANGEABLE
BOLT,MACHINE
3120-01-474-9326INTERCHANGEABLE
BUSHING,SLEEVE
6520-01-514-6644INTERCHANGEABLE
TAIL SPRING FOR AMALGAMATOR
400012
4130-01-568-2838INTERCHANGEABLE
COOLER UNIT,AIR
400012
5331-01-613-0180INTERCHANGEABLE
O-RING
4000-12
5331-01-669-2438INTERCHANGEABLE
O-RING
4076
5995-01-675-5867INTERCHANGEABLE
CASE,CABLE ASSEMBLY
400012

Frequently Asked Questions

What is NSN 5331-01-155-1783?

NSN 5331-01-155-1783 is a O-Ring, manufactured by Air-Way Manufacturing Company, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-155-1783?

NSN 5331-01-155-1783 has 2 cross-referenced part numbers: 4000-12 (Air-Way Manufacturing Company), 855011034 (Bomag Usa Sub of United Dominion Industries Ltd).

What NSN replaces 5331-01-155-1783?

There are 7 known substitutes for 5331-01-155-1783: 5306-00-151-1417, 3120-01-474-9326, 6520-01-514-6644 and 4 more. Verify interchangeability with system specifications before substitution.

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