PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2305-25O-Ring

Norgren C a Co · NSN 5331-01-441-9702 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-441-9702 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-441-9702. Primary manufacturer part number: 2305-25.
Features
  • O-Ring — FSC 5331
  • Material Document and Classification: ASTM-D2000,SAE-J200,1BG715 ASSN STD SINGLE MATERIAL RESPONSE
  • Temp Rating: -40.0 CELSIUS AND 100.0 CELSIUS DEGC
  • Center Hole Diameter: 1.165 INCHES MINIMUM AND 1.187 INCHES MAXIMUM IN
  • Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN
  • Hardness Rating: 65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM
  • Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
  • 1 verified cross-reference
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 5331-01-441-9702, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Norgren C a Co. Government technical data includes 6 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-01-441-9702
Primary Part Number2305-25
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerNorgren C a Co
StatusACTIVE
Material Document and ClassificationASTM-D2000,SAE-J200,1BG715 ASSN STD SINGLE MATERIAL RESPONSE
Temp Rating-40.0 CELSIUS AND 100.0 CELSIUS DEGC
Center Hole Diameter1.165 INCHES MINIMUM AND 1.187 INCHES MAXIMUM IN
Cross-Sectional Height0.067 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN
Hardness Rating65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
4710-00-289-0651279573 INTERCHANGEABLE
Tube,metallic
Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems
5340-00-691-3025230525 INTERCHANGEABLE
Locking Plate,nut and Bolt
Kohler Co Engine Plant Div
5962-01-167-6035230525 INTERCHANGEABLE
Microcircuit,memory
Astronics Test Systems Inc
6660-01-599-3909230525 INTERCHANGEABLE
Recorder Subassembly
Vaisala Inc.
Cross-Reference Index
Part NumberManufacturer
2305-25 PRIMARY Norgren C a Co (USA)
Related Parts
4710-00-289-0651INTERCHANGEABLE
TUBE,METALLIC
279573
5340-00-691-3025INTERCHANGEABLE
LOCKING PLATE,NUT AND BOLT
230525
5962-01-167-6035INTERCHANGEABLE
MICROCIRCUIT,MEMORY
230525
6660-01-599-3909INTERCHANGEABLE
RECORDER SUBASSEMBLY
230525

Frequently Asked Questions

What is NSN 5331-01-441-9702?

NSN 5331-01-441-9702 is a O-Ring, manufactured by Norgren C a Co, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-441-9702?

NSN 5331-01-441-9702 has 1 cross-referenced part number: 2305-25 (Norgren C a Co).

What NSN replaces 5331-01-441-9702?

There are 4 known substitutes for 5331-01-441-9702: 4710-00-289-0651, 5340-00-691-3025, 5962-01-167-6035 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2305-25?

Key specifications for 2305-25: Material Document and Classification: ASTM-D2000,SAE-J200,1BG715 ASSN STD SINGLE MATERIAL RESPONSE; Temp Rating: -40.0 CELSIUS AND 100.0 CELSIUS DEGC; Center Hole Diameter: 1.165 INCHES MINIMUM AND 1.187 INCHES MAXIMUM IN; Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN. 6 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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