PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12584O-Ring

Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. · NSN 5331-00-037-5278 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-037-5278 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-037-5278. Primary manufacturer part number: 12584.
Features
  • O-Ring — FSC 5331
  • Cross-Sectional Height: 0.125 INCHES NOMINAL IN
  • 2 verified cross-references
  • Primary manufacturer: Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-00-037-5278, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.. Government technical data includes 1 verified specification, 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-00-037-5278
Primary Part Number12584
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerPratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
StatusACTIVE
Cross-Sectional Height0.125 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5330-00-844-2228 INTERCHANGEABLE
Seal,plain Encased
2940-01-537-8635 INTERCHANGEABLE
Sump Assemly F-22
6640-01-575-69221000969 INTERCHANGEABLE
Cassette,embedding and Processin
Thermo Shandon Inc Dba Shandon Inc Div Anatomical Pathology
Cross-Reference Index
Part NumberManufacturer
12584 PRIMARY Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAN)
12584 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
Related Parts
5330-00-844-2228INTERCHANGEABLE
SEAL,PLAIN ENCASED
2940-01-537-8635INTERCHANGEABLE
SUMP ASSEMLY F-22
6640-01-575-6922INTERCHANGEABLE
CASSETTE,EMBEDDING AND PROCESSIN
1000969

Frequently Asked Questions

What is NSN 5331-00-037-5278?

NSN 5331-00-037-5278 is a O-Ring, manufactured by Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp., classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-00-037-5278?

NSN 5331-00-037-5278 has 2 cross-referenced part numbers: 12584 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.), 12584 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).

What NSN replaces 5331-00-037-5278?

There are 3 known substitutes for 5331-00-037-5278: 5330-00-844-2228, 2940-01-537-8635, 6640-01-575-6922. Verify interchangeability with system specifications before substitution.

What are the specifications of 12584?

Key specifications for 12584: Cross-Sectional Height: 0.125 INCHES NOMINAL IN. 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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