PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2100O-Ring

Parker-Hannifin Corporation Div O-Ring Division · NSN 5331-00-730-6637 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-730-6637 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-730-6637. Primary manufacturer part number: 2100.
Features
  • O-Ring — FSC 5331
  • Hardness Rating: 70.0 SHORE DUROMETER A NOMINAL
  • Cross-Sectional Height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
  • Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
  • Temp Rating: -30.0 FAHRENHEIT AND 257.0 FAHRENHEIT DEGF
  • Center Hole Diameter: 0.853 INCHES MINIMUM AND 0.865 INCHES MAXIMUM IN
  • 8 verified cross-references
  • Primary manufacturer: Parker-Hannifin Corporation Div O-Ring Division
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 5331-00-730-6637, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Parker-Hannifin Corporation Div O-Ring Division. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-00-730-6637
Primary Part Number2100
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerParker-Hannifin Corporation Div O-Ring Division
StatusACTIVE
Hardness Rating70.0 SHORE DUROMETER A NOMINAL
Cross-Sectional Height0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
Temp Rating-30.0 FAHRENHEIT AND 257.0 FAHRENHEIT DEGF
Center Hole Diameter0.853 INCHES MINIMUM AND 0.865 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-100-5994 INTERCHANGEABLE
Bearing,roller,tapered
3110-00-114-9631 INTERCHANGEABLE
Bearing,ball,annular
3820-00-125-8645509 INTERCHANGEABLE
Wedge,key
Terex Usa, Llc Dba Terex Equipment Services
5330-00-172-84081482-2 INTERCHANGEABLE
Gasket
Cummins Inc.
6810-00-234-8362 INTERCHANGEABLE
Barium Hydroxide,octahydrate
5330-00-292-1593102039 INTERCHANGEABLE
Seal,plain Encased
Aqua-Chem, Inc. Dba Aqua-Chem Inc
6810-00-299-8499 INTERCHANGEABLE
Barium Hydroxide,octahydrate
5945-00-403-54461497 INTERCHANGEABLE
Relay,electromagnetic
Borgwarner Pds (anderson), L.l.c.
3030-00-529-0481 INTERCHANGEABLE
Belt,v
5330-00-569-8955160A43 INTERCHANGEABLE
Gasket
Cummins Power Generation Inc.
Cross-Reference Index
Part NumberManufacturer
2100 PRIMARY Parker-Hannifin Corporation Div O-Ring Division (USA)
5330007306637 E.c.a Etablissement Centrald'approvisionnement Des Forces Armee
HX 1692 Acushnet Rubber Company, Inc. Dba Precix (USA)
7710908 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
4456-70 Parco, Llc (USA)
1497 Parker Hannifin Corporation Div O-Ring Division (USA)
N-1000-70 PRIMARY Parker-Hannifin Corp Div O-Ring Division (USA)
B46 Federal-Mogul Corp Government Sales Dept (USA)
Related Parts
3110-00-100-5994INTERCHANGEABLE
BEARING,ROLLER,TAPERED
3110-00-114-9631INTERCHANGEABLE
BEARING,BALL,ANNULAR
3820-00-125-8645INTERCHANGEABLE
WEDGE,KEY
509
5330-00-172-8408INTERCHANGEABLE
GASKET
1482-2
6810-00-234-8362INTERCHANGEABLE
BARIUM HYDROXIDE,OCTAHYDRATE
5330-00-292-1593INTERCHANGEABLE
SEAL,PLAIN ENCASED
102039
6810-00-299-8499INTERCHANGEABLE
BARIUM HYDROXIDE,OCTAHYDRATE
5945-00-403-5446INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
1497
3030-00-529-0481INTERCHANGEABLE
BELT,V
5330-00-569-8955INTERCHANGEABLE
GASKET
160A43
5331-00-752-1413INTERCHANGEABLE
O-RING
2100
5325-00-804-2784INTERCHANGEABLE
RING,RETAINING

Frequently Asked Questions

What is NSN 5331-00-730-6637?

NSN 5331-00-730-6637 is a O-Ring, manufactured by Parker-Hannifin Corporation Div O-Ring Division, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-00-730-6637?

NSN 5331-00-730-6637 has 8 cross-referenced part numbers: 2100 (Parker-Hannifin Corporation Div O-Ring Division), 5330007306637 (E.c.a Etablissement Centrald'approvisionnement Des Forces Armee), HX 1692 (Acushnet Rubber Company, Inc. Dba Precix), 7710908 (U S Army Tank Automotive Command Amsta-Im-Mm), 4456-70 (Parco, Llc) and 3 more.

What NSN replaces 5331-00-730-6637?

There are 12 known substitutes for 5331-00-730-6637: 3110-00-100-5994, 3110-00-114-9631, 3820-00-125-8645 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2100?

Key specifications for 2100: Hardness Rating: 70.0 SHORE DUROMETER A NOMINAL; Cross-Sectional Height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR; Temp Rating: -30.0 FAHRENHEIT AND 257.0 FAHRENHEIT DEGF. 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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