PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

14945O-Ring

Mission Systems Orchard Park Inc · NSN 5331-00-904-5703 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-904-5703 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-904-5703. Primary manufacturer part number: 14945.
Features
  • O-Ring — FSC 5331
  • Center Hole Diameter: 0.062 INCHES MINIMUM AND 0.074 INCHES MAXIMUM IN
  • Material: RUBBER
  • Cross-Sectional Height: 0.035 INCHES MINIMUM AND 0.043 INCHES MAXIMUM IN
  • 2 verified cross-references
  • Primary manufacturer: Mission Systems Orchard Park Inc
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber construction
General Description

The O-Ring, cataloged under National Stock Number 5331-00-904-5703, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Mission Systems Orchard Park Inc. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-00-904-5703
Primary Part Number14945
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerMission Systems Orchard Park Inc
StatusACTIVE
Center Hole Diameter0.062 INCHES MINIMUM AND 0.074 INCHES MAXIMUM IN
MaterialRUBBER
Cross-Sectional Height0.035 INCHES MINIMUM AND 0.043 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
3030-00-204-0178 INTERCHANGEABLE
Belt,v
4730-00-270-4619 INTERCHANGEABLE
Adapter,straight,pipe to Tube
9540-00-540-5696 INTERCHANGEABLE
Beam,structural
5365-00-652-87388331584 INTERCHANGEABLE
Spacer,plate
U S Army Tank Automotive Command Amsta-Im-Mm
5950-00-832-677314945 INTERCHANGEABLE
Reactor
Elbitamerica, Inc.
3120-01-193-4561 INTERCHANGEABLE
Bearing,sleeve
5330-01-288-109814945 INTERCHANGEABLE
Gasket
Grove Gear Div of Regal Beloit Corp
6670-01-449-9627 INTERCHANGEABLE
Scale,weighing
4810-01-692-9180 INTERCHANGEABLE
Valve,solenoid
Cross-Reference Index
Part NumberManufacturer
14945 PRIMARY Mission Systems Orchard Park Inc (USA)
14945 Ingersoll-Rand Company Dba Ingersoll-Rand (USA)
Related Parts
3030-00-204-0178INTERCHANGEABLE
BELT,V
4730-00-270-4619INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
9540-00-540-5696INTERCHANGEABLE
BEAM,STRUCTURAL
5365-00-652-8738INTERCHANGEABLE
SPACER,PLATE
8331584
5950-00-832-6773INTERCHANGEABLE
REACTOR
14945
3120-01-193-4561INTERCHANGEABLE
BEARING,SLEEVE
5330-01-288-1098INTERCHANGEABLE
GASKET
14945
6670-01-449-9627INTERCHANGEABLE
SCALE,WEIGHING
4810-01-692-9180INTERCHANGEABLE
VALVE,SOLENOID

Frequently Asked Questions

What is NSN 5331-00-904-5703?

NSN 5331-00-904-5703 is a O-Ring, manufactured by Mission Systems Orchard Park Inc, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-00-904-5703?

NSN 5331-00-904-5703 has 2 cross-referenced part numbers: 14945 (Mission Systems Orchard Park Inc), 14945 (Ingersoll-Rand Company Dba Ingersoll-Rand).

What NSN replaces 5331-00-904-5703?

There are 9 known substitutes for 5331-00-904-5703: 3030-00-204-0178, 4730-00-270-4619, 9540-00-540-5696 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 14945?

Key specifications for 14945: Center Hole Diameter: 0.062 INCHES MINIMUM AND 0.074 INCHES MAXIMUM IN; Material: RUBBER; Cross-Sectional Height: 0.035 INCHES MINIMUM AND 0.043 INCHES MAXIMUM IN. 3 total characteristics are documented in the Federal Logistics Information System.

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