PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7458O-Ring

Triumph Engine Control Systems Llc · NSN 5331-00-260-9278 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-260-9278 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-260-9278. Primary manufacturer part number: 7458.
Features
  • O-Ring — FSC 5331
  • Center Hole Diameter: 1.165 INCHES MINIMUM AND 1.177 INCHES MAXIMUM IN
  • Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
  • Material: RUBBER SYNTHETIC
  • 2 verified cross-references
  • Primary manufacturer: Triumph Engine Control Systems Llc
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 5331-00-260-9278, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Triumph Engine Control Systems Llc. 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-00-260-9278
Primary Part Number7458
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerTriumph Engine Control Systems Llc
StatusACTIVE
Center Hole Diameter1.165 INCHES MINIMUM AND 1.177 INCHES MAXIMUM IN
Cross-Sectional Height0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
MaterialRUBBER SYNTHETIC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5310-00-010-7823 INTERCHANGEABLE
Nut,stamped
5310-00-331-51977458 INTERCHANGEABLE
Nut,special
Ontic Engineering & Manufacturing, Inc Dba Ontic Us
6760-00-937-77627458 INTERCHANGEABLE
Filter,light,photographic Lens
Bosch Security Systems, Llc
5940-01-109-53707458-C INTERCHANGEABLE
Terminal Strip,grounding
Gc/waldom Inc
5305-01-260-57297458 INTERCHANGEABLE
Screw,machine
Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris
4940-01-624-25847458 INTERCHANGEABLE
Maintenance Fixture,gear Box
Teledyne Flir Unmanned Ground Systems, Inc
Cross-Reference Index
Part NumberManufacturer
7458 PRIMARY Triumph Engine Control Systems Llc (USA)
7458 Zf Industrieantriebe Witten Gmbh (DEU)
Related Parts
5310-00-010-7823INTERCHANGEABLE
NUT,STAMPED
5310-00-331-5197INTERCHANGEABLE
NUT,SPECIAL
7458
6760-00-937-7762INTERCHANGEABLE
FILTER,LIGHT,PHOTOGRAPHIC LENS
7458
5940-01-109-5370INTERCHANGEABLE
TERMINAL STRIP,GROUNDING
7458-C
5305-01-260-5729INTERCHANGEABLE
SCREW,MACHINE
7458
4940-01-624-2584INTERCHANGEABLE
MAINTENANCE FIXTURE,GEAR BOX
7458

Frequently Asked Questions

What is NSN 5331-00-260-9278?

NSN 5331-00-260-9278 is a O-Ring, manufactured by Triumph Engine Control Systems Llc, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-00-260-9278?

NSN 5331-00-260-9278 has 2 cross-referenced part numbers: 7458 (Triumph Engine Control Systems Llc), 7458 (Zf Industrieantriebe Witten Gmbh).

What NSN replaces 5331-00-260-9278?

There are 6 known substitutes for 5331-00-260-9278: 5310-00-010-7823, 5310-00-331-5197, 6760-00-937-7762 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 7458?

Key specifications for 7458: Center Hole Diameter: 1.165 INCHES MINIMUM AND 1.177 INCHES MAXIMUM IN; Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN; Material: RUBBER SYNTHETIC. 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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