PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2313-0078O-Ring

Circor Aerospace, Inc. Dba Circor Aerospace Inc · NSN 5331-00-425-0649 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-425-0649 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-425-0649. Primary manufacturer part number: 2313-0078.
Features
  • O-Ring — FSC 5331
  • Outside Diameter: 0.274 INCHES MINIMUM AND 0.296 INCHES MAXIMUM IN
  • Hardness Rating: 90.0 SHORE DUROMETER A NOMINAL
  • Center Hole Diameter: 0.139 INCHES MINIMUM AND 0.151 INCHES MAXIMUM IN
  • Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
  • Material: RUBBER FLUOROCARBON CLASS FPM
  • 29 verified cross-references
  • Primary manufacturer: Circor Aerospace, Inc. Dba Circor Aerospace Inc
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Fluorocarbon Class Fpm construction
General Description

The O-Ring, cataloged under National Stock Number 5331-00-425-0649, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Circor Aerospace, Inc. Dba Circor Aerospace Inc. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 29 commercial cross-references from 15 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5331-00-425-0649
Primary Part Number2313-0078
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerCircor Aerospace, Inc. Dba Circor Aerospace Inc
StatusCANCELLED
Outside Diameter0.274 INCHES MINIMUM AND 0.296 INCHES MAXIMUM IN
Hardness Rating90.0 SHORE DUROMETER A NOMINAL
Center Hole Diameter0.139 INCHES MINIMUM AND 0.151 INCHES MAXIMUM IN
Cross-Sectional Height0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
MaterialRUBBER FLUOROCARBON CLASS FPM
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3110-00-100-054324721 INTERCHANGEABLE
Cup,tapered Roller Bearing
Rbc Bearings Incorporated Div West Trenton Division
6680-00-111-509024721 INTERCHANGEABLE
Indicator,sight,liquid
Alter Harry Co the Div of T E C
5331-00-166-1110 INTERCHANGEABLE
O-Ring
6920-00-657-282024721 INTERCHANGEABLE
Cable Assy
Northrop Grumman Systems Corporation Dba Aerospace Systems Div Aeronautics Systems
4730-00-701-7737SAE J512 3 060115B INTERCHANGEABLE
Sleeve,compression,tube-Hose Fit
Sae International Dba Sae International
5331-01-037-3444 INTERCHANGEABLE
O-Ring
5331-01-104-5943 INTERCHANGEABLE
O-Ring
5331-01-167-1586 INTERCHANGEABLE
O-Ring
5331-01-175-9164 INTERCHANGEABLE
O-Ring
5331-01-222-0838AS3581-335 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
NAS1594-007 Zf Industrieantriebe Witten Gmbh (DEU)
2-007V709-90 Parker-Hannifin Corp Div O-Ring Division (USA)
A211-8 Aqua Environment Co, Inc (USA)
PRP568-007-9009-90 Parco, Llc (USA)
2-7V377-9 Zf Industrieantriebe Witten Gmbh (DEU)
2-007 V-377-9 Parker-Hannifin Corp Div O-Ring Division (USA)
2-007 V377-90 Parker-Hannifin Corp Div O-Ring Division (USA)
M83248/2-007 Zf Industrieantriebe Witten Gmbh (DEU)
A05745 Mbda Uk Ltd (GBR)
2-007 V709-90 Parker Hannifin Gmbh O-Ring Division (DEU)
2313-0078 PRIMARY Circor Aerospace, Inc. Dba Circor Aerospace Inc (USA)
007-19359 Parker Hannifin Corporation Div O-Ring Division (USA)
AS3581-216 Sae International Dba Sae International (USA)
NAS1594-007 National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
SAE-AS3581 Sae International Dba Sae International (USA)
AS3581 Sae International Dba Sae International (USA)
MS9970-007 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
PRP007-139359 Parker Hannifin Corporation Div O-Ring Division (USA)
AS3581-007 Society of Automotive Engineers Inc (USA)
5331PL1257674 Jednolity Indeks Materialowy - Uniform Material Index (POL)
Related Parts
3110-00-100-0543INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
24721
6680-00-111-5090INTERCHANGEABLE
INDICATOR,SIGHT,LIQUID
24721
5331-00-166-1110INTERCHANGEABLE
O-RING
6920-00-657-2820INTERCHANGEABLE
CABLE ASSY
24721
4730-00-701-7737INTERCHANGEABLE
SLEEVE,COMPRESSION,TUBE-HOSE FIT
SAE J512 3 060115B
5331-01-037-3444INTERCHANGEABLE
O-RING
5331-01-104-5943INTERCHANGEABLE
O-RING
5331-01-167-1586INTERCHANGEABLE
O-RING
5331-01-175-9164INTERCHANGEABLE
O-RING
5331-01-222-0838INTERCHANGEABLE
O-RING
AS3581-335
4140-01-298-1073INTERCHANGEABLE
HOUSING,AXIAL FAN
A-PA6AXFN
5120-01-442-0898INTERCHANGEABLE
INSERTER,SCREW THREAD INSERT
24721

Frequently Asked Questions

What is NSN 5331-00-425-0649?

NSN 5331-00-425-0649 is a O-Ring, manufactured by Circor Aerospace, Inc. Dba Circor Aerospace Inc, classified under FSC 5331 (O-Ring). Status: cancelled.

What are the part numbers for NSN 5331-00-425-0649?

NSN 5331-00-425-0649 has 29 cross-referenced part numbers: NAS1594-007 (Zf Industrieantriebe Witten Gmbh), 2-007V709-90 (Parker-Hannifin Corp Div O-Ring Division), A211-8 (Aqua Environment Co, Inc), PRP568-007-9009-90 (Parco, Llc), 2-7V377-9 (Zf Industrieantriebe Witten Gmbh) and 24 more.

What NSN replaces 5331-00-425-0649?

There are 12 known substitutes for 5331-00-425-0649: 3110-00-100-0543, 6680-00-111-5090, 5331-00-166-1110 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2313-0078?

Key specifications for 2313-0078: Outside Diameter: 0.274 INCHES MINIMUM AND 0.296 INCHES MAXIMUM IN; Hardness Rating: 90.0 SHORE DUROMETER A NOMINAL; Center Hole Diameter: 0.139 INCHES MINIMUM AND 0.151 INCHES MAXIMUM IN; Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN. 5 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5331-00-425-0649 still in active supply?

NSN 5331-00-425-0649 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com