PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

9A-0001-0028RO-Ring

Cameron Energy Services Corp. · NSN 5331-00-263-9395 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-263-9395 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-263-9395. Primary manufacturer part number: 9A-0001-0028R.
Features
  • O-Ring — FSC 5331
  • Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
  • Center Hole Diameter: 1.729 INCHES MINIMUM AND 1.749 INCHES MAXIMUM IN
  • Test Data Document: 81349-MIL-P-23199 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
  • Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
  • Temp Rating: -40.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
  • 3 verified cross-references
  • Primary manufacturer: Cameron Energy Services Corp.
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Butadiene-Acrylonitrile Class Nbr construction
General Description

The O-Ring, cataloged under National Stock Number 5331-00-263-9395, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Cameron Energy Services Corp.. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, 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
NSN5331-00-263-9395
Primary Part Number9A-0001-0028R
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerCameron Energy Services Corp.
StatusACTIVE
Cross-Sectional Height0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
Center Hole Diameter1.729 INCHES MINIMUM AND 1.749 INCHES MAXIMUM IN
Test Data Document81349-MIL-P-23199 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
Temp Rating-40.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5331-00-076-375218214 INTERCHANGEABLE
O-Ring
Moog Inc. Dba Ampac-Isp Corp
5365-00-766-118231-0001-0028R INTERCHANGEABLE
Ring,flange Gasket
Cameron Energy Services Corp.
5330-01-015-0963 INTERCHANGEABLE
Packing,preformed
5330-01-244-65540001-0028R INTERCHANGEABLE
Packing,preformed
Cameron Energy Services Corp.
Cross-Reference Index
Part NumberManufacturer
9A-0001-0028R PRIMARY Cameron Energy Services Corp. (USA)
0001-0028R Cameron Energy Services Corp. (USA)
31-001-028 Cameron Energy Services Corp. (USA)
Related Parts
5331-00-076-3752INTERCHANGEABLE
O-RING
18214
5365-00-766-1182INTERCHANGEABLE
RING,FLANGE GASKET
31-0001-0028R
5330-01-015-0963INTERCHANGEABLE
PACKING,PREFORMED
5330-01-244-6554INTERCHANGEABLE
PACKING,PREFORMED
0001-0028R

Frequently Asked Questions

What is NSN 5331-00-263-9395?

NSN 5331-00-263-9395 is a O-Ring, manufactured by Cameron Energy Services Corp., classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-00-263-9395?

NSN 5331-00-263-9395 has 3 cross-referenced part numbers: 9A-0001-0028R (Cameron Energy Services Corp.), 0001-0028R (Cameron Energy Services Corp.), 31-001-028 (Cameron Energy Services Corp.).

What NSN replaces 5331-00-263-9395?

There are 4 known substitutes for 5331-00-263-9395: 5331-00-076-3752, 5365-00-766-1182, 5330-01-015-0963 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 9A-0001-0028R?

Key specifications for 9A-0001-0028R: Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN; Center Hole Diameter: 1.729 INCHES MINIMUM AND 1.749 INCHES MAXIMUM IN; Test Data Document: 81349-MIL-P-23199 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR. 5 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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