PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

523106O-Ring

Norman Filter Company, L.l.c. Dba Norman Filter Co Llc · NSN 5331-00-052-6805 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-052-6805 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-052-6805. Primary manufacturer part number: 523106.
Features
  • O-Ring — FSC 5331
  • Outside Diameter: 2.859 INCHES MINIMUM AND 2.915 INCHES MAXIMUM IN
  • Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
  • Temp Rating: -30.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
  • Hardness Rating: 70.0 SHORE DUROMETER A NOMINAL
  • Center Hole Diameter: 2.599 INCHES MINIMUM AND 2.619 INCHES MAXIMUM IN
  • Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
  • Elongation Percentage: 331 MAXIMUM
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 5331-00-052-6805, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Norman Filter Company, L.l.c. Dba Norman Filter Co Llc. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 11 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
NSN5331-00-052-6805
Primary Part Number523106
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerNorman Filter Company, L.l.c. Dba Norman Filter Co Llc
StatusCANCELLED
Outside Diameter2.859 INCHES MINIMUM AND 2.915 INCHES MAXIMUM IN
Cross-Sectional Height0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
Temp Rating-30.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
Hardness Rating70.0 SHORE DUROMETER A NOMINAL
Center Hole Diameter2.599 INCHES MINIMUM AND 2.619 INCHES MAXIMUM IN
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
Elongation Percentage331 MAXIMUM
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5998-00-147-2941101506 INTERCHANGEABLE
Circuit Card Assembly
Aimtron Systems, Llc
5331-00-352-03282-231C557-70 INTERCHANGEABLE
O-Ring
C. E. Conover & Co., Inc.
5977-00-379-2182101-506 INTERCHANGEABLE
Ring,electrical Contact Brush Ho
Imperial Electric Co
5331-00-593-12822-231N951-75 INTERCHANGEABLE
O-Ring
Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division
5331-00-641-3656AS568-231 MIL-PRF-1149TYP2CL5 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-01-017-6536231-8309 INTERCHANGEABLE
O-Ring
Parker Hannifin Corporation Div O-Ring Division
5955-01-108-1950 INTERCHANGEABLE
Oscillator,noncrystal Controlled
5360-01-164-4416 INTERCHANGEABLE
Spring,helical,compression
5998-01-221-1065 INTERCHANGEABLE
Circuit Card Assembly
5935-01-239-080452310-6 INTERCHANGEABLE
Connector,receptacle,electrical
Amphenol Optimize Manufacturing Co. Div Amphenol Aerospace/matrix
Cross-Reference Index
Part NumberManufacturer
523106 Norman Filter Company, L.l.c. Dba Norman Filter Co Llc (USA)
101506 Zf Industrieantriebe Witten Gmbh (DEU)
6200100 Myco Trailers Inc Dba Myco Industries (USA)
2-231 N674-70 Parker Hannifin Gmbh O-Ring Division (DEU)
39823172 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
ASTM D2000 M3CH714A25B34E016 American Society for Testing and Materials Dba Astm International (USA)
2-231N674-70 Parker-Hannifin Corp Div O-Ring Division (USA)
AS568-231 Society of Automotive Engineers Inc (USA)
M730000231 Wartsila Netherlands (NLD)
5330000526805 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
AS568-231 Sae International Dba Sae International (USA)
Related Parts
5998-00-147-2941INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
101506
5331-00-352-0328INTERCHANGEABLE
O-RING
2-231C557-70
5977-00-379-2182INTERCHANGEABLE
RING,ELECTRICAL CONTACT BRUSH HO
101-506
5331-00-593-1282INTERCHANGEABLE
O-RING
2-231N951-75
5331-00-641-3656INTERCHANGEABLE
O-RING
AS568-231 MIL-PRF-1149TYP2CL5
5331-01-017-6536INTERCHANGEABLE
O-RING
231-8309
5955-01-108-1950INTERCHANGEABLE
OSCILLATOR,NONCRYSTAL CONTROLLED
5360-01-164-4416INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
5998-01-221-1065INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
5935-01-239-0804INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
52310-6
5331-01-486-1730INTERCHANGEABLE
O-RING
AS568-231
4730-01-620-0551INTERCHANGEABLE
FLANGE,PIPE

Frequently Asked Questions

What is NSN 5331-00-052-6805?

NSN 5331-00-052-6805 is a O-Ring, manufactured by Norman Filter Company, L.l.c. Dba Norman Filter Co Llc, classified under FSC 5331 (O-Ring). Status: cancelled.

What are the part numbers for NSN 5331-00-052-6805?

NSN 5331-00-052-6805 has 11 cross-referenced part numbers: 523106 (Norman Filter Company, L.l.c. Dba Norman Filter Co Llc), 101506 (Zf Industrieantriebe Witten Gmbh), 6200100 (Myco Trailers Inc Dba Myco Industries), 2-231 N674-70 (Parker Hannifin Gmbh O-Ring Division), 39823172 (Leslie Controls, Inc. Dba Leslie Controls Inc) and 6 more.

What NSN replaces 5331-00-052-6805?

There are 12 known substitutes for 5331-00-052-6805: 5998-00-147-2941, 5331-00-352-0328, 5977-00-379-2182 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 523106?

Key specifications for 523106: Outside Diameter: 2.859 INCHES MINIMUM AND 2.915 INCHES MAXIMUM IN; Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN; Temp Rating: -30.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF; Hardness Rating: 70.0 SHORE DUROMETER A NOMINAL. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5331-00-052-6805 still in active supply?

NSN 5331-00-052-6805 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.
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