PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

430275O-Ring

Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · NSN 5331-00-062-1249 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-062-1249 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-062-1249. Primary manufacturer part number: 430275.
Features
  • O-Ring — FSC 5331
  • Center Hole Diameter: 2.974 INCHES MINIMUM AND 3.004 INCHES MAXIMUM IN
  • Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
  • Material: RUBBER SILICONE CLASS Q
  • 1 verified cross-reference
  • Primary manufacturer: Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Silicone Class Q construction
General Description

The O-Ring, cataloged under National Stock Number 5331-00-062-1249, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 3 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-00-062-1249
Primary Part Number430275
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerRtx Corporation Dba Pratt & Whitney Div Pratt &whitney
StatusACTIVE
Center Hole Diameter2.974 INCHES MINIMUM AND 3.004 INCHES MAXIMUM IN
Cross-Sectional Height0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
MaterialRUBBER SILICONE CLASS Q
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
2810-00-098-2659430275 INTERCHANGEABLE
Tube Assy
Curtiss-Wright Controls, Inc. Div Actuation Division
5970-00-139-513243-02-75 INTERCHANGEABLE
Insulator,washer
Accessories for Electronics Inc Dba Afe
Cross-Reference Index
Part NumberManufacturer
430275 PRIMARY Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
Related Parts
2810-00-098-2659INTERCHANGEABLE
TUBE ASSY
430275
5970-00-139-5132INTERCHANGEABLE
INSULATOR,WASHER
43-02-75

Frequently Asked Questions

What is NSN 5331-00-062-1249?

NSN 5331-00-062-1249 is a O-Ring, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-00-062-1249?

NSN 5331-00-062-1249 has 1 cross-referenced part number: 430275 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).

What NSN replaces 5331-00-062-1249?

There are 2 known substitutes for 5331-00-062-1249: 2810-00-098-2659, 5970-00-139-5132. Verify interchangeability with system specifications before substitution.

What are the specifications of 430275?

Key specifications for 430275: Center Hole Diameter: 2.974 INCHES MINIMUM AND 3.004 INCHES MAXIMUM IN; Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN; Material: RUBBER SILICONE CLASS Q. 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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