PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

55381O-Ring

Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp. · NSN 5331-01-119-1365 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-119-1365 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-119-1365. Primary manufacturer part number: 55381.
Features
  • O-Ring — FSC 5331
  • Cross-Sectional Height: 1.750 INCHES NOMINAL IN
  • Material: RUBBER SYNTHETIC
  • 1 verified cross-reference
  • Primary manufacturer: Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.
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 5331-01-119-1365, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-01-119-1365
Primary Part Number55381
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerCrane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.
StatusACTIVE
Cross-Sectional Height1.750 INCHES NOMINAL IN
MaterialRUBBER SYNTHETIC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5950-00-270-452155381 INTERCHANGEABLE
Reactor
Hamilton Sundstrand Corporation
1650-00-887-682855388 INTERCHANGEABLE
Parts Kit,valve
Woodward Hrt Inc
2910-01-038-15094049337 INTERCHANGEABLE
Pump,fuel,cam Actuated
Chrysler Corp Service and Parts Opns
5930-01-043-616255381 INTERCHANGEABLE
Switch,flow
Setra Systems, Inc. Dba Gems Sensors
5315-01-094-907655381 INTERCHANGEABLE
Pin,grooved,headed
L3 Technologies, Inc. Div L3 Keo
5340-01-676-502155-381 INTERCHANGEABLE
Bracket,angle
Edmund Optics, Inc
Cross-Reference Index
Part NumberManufacturer
55381 PRIMARY Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp. (USA)
Related Parts
5950-00-270-4521INTERCHANGEABLE
REACTOR
55381
1650-00-887-6828INTERCHANGEABLE
PARTS KIT,VALVE
55388
2910-01-038-1509INTERCHANGEABLE
PUMP,FUEL,CAM ACTUATED
4049337
5930-01-043-6162INTERCHANGEABLE
SWITCH,FLOW
55381
5315-01-094-9076INTERCHANGEABLE
PIN,GROOVED,HEADED
55381
5340-01-676-5021INTERCHANGEABLE
BRACKET,ANGLE
55-381

Frequently Asked Questions

What is NSN 5331-01-119-1365?

NSN 5331-01-119-1365 is a O-Ring, manufactured by Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp., classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-119-1365?

NSN 5331-01-119-1365 has 1 cross-referenced part number: 55381 (Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.).

What NSN replaces 5331-01-119-1365?

There are 6 known substitutes for 5331-01-119-1365: 5950-00-270-4521, 1650-00-887-6828, 2910-01-038-1509 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 55381?

Key specifications for 55381: Cross-Sectional Height: 1.750 INCHES NOMINAL IN; Material: RUBBER SYNTHETIC. 2 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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