PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

53739O-Ring

Petroleum Analyzer Co L.p · NSN 5331-01-491-5617 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-491-5617 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-491-5617. Primary manufacturer part number: 53739.
Features
  • O-Ring — FSC 5331
  • 3 verified cross-references
  • Primary manufacturer: Petroleum Analyzer Co L.p
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-01-491-5617, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Petroleum Analyzer Co L.p. This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-01-491-5617
Primary Part Number53739
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerPetroleum Analyzer Co L.p
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5330-00-130-636453739 INTERCHANGEABLE
Seal,face
Defense Maritime Solutions, Inc.
5360-00-547-3818504-3102-002 INTERCHANGEABLE
Spring,helical,extension
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
5950-00-722-6557 INTERCHANGEABLE
Transformer,power
5999-01-177-54122068880-0001 INTERCHANGEABLE
Shielding Gasket,electronic
Honeywell International Inc Dba Honeywell
Cross-Reference Index
Part NumberManufacturer
53739 Alcor Petroleum Instruments Inc (USA)
1P0564753739 Alcor Petroleum Instruments Inc (USA)
53739 PRIMARY Petroleum Analyzer Co L.p (USA)
Related Parts
5330-00-130-6364INTERCHANGEABLE
SEAL,FACE
53739
5360-00-547-3818INTERCHANGEABLE
SPRING,HELICAL,EXTENSION
504-3102-002
5950-00-722-6557INTERCHANGEABLE
TRANSFORMER,POWER
5999-01-177-5412INTERCHANGEABLE
SHIELDING GASKET,ELECTRONIC
2068880-0001

Frequently Asked Questions

What is NSN 5331-01-491-5617?

NSN 5331-01-491-5617 is a O-Ring, manufactured by Petroleum Analyzer Co L.p, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-491-5617?

NSN 5331-01-491-5617 has 3 cross-referenced part numbers: 53739 (Alcor Petroleum Instruments Inc), 1P0564753739 (Alcor Petroleum Instruments Inc), 53739 (Petroleum Analyzer Co L.p).

What NSN replaces 5331-01-491-5617?

There are 4 known substitutes for 5331-01-491-5617: 5330-00-130-6364, 5360-00-547-3818, 5950-00-722-6557 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 53739?

Key specifications for 53739: End Item Identification: USED ON ALCOR JET FUEL THERMAL OXIDATION TESTER MODEL 230 RESERVOIR. 1 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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