PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

938-00O-Ring

Trac Regulator Co., Inc. Dba Trac Regulator Co Inc · NSN 5331-01-244-5961 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-244-5961 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-244-5961. Primary manufacturer part number: 938-00.
Features
  • O-Ring — FSC 5331
  • Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
  • 4 verified cross-references
  • Primary manufacturer: Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
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 5331-01-244-5961, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Trac Regulator Co., Inc. Dba Trac Regulator Co Inc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 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
NSN5331-01-244-5961
Primary Part Number938-00
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerTrac Regulator Co., Inc. Dba Trac Regulator Co Inc
StatusACTIVE
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6240-00-043-0269938B0938 INTERCHANGEABLE
Lamp,cartridge
Gte Products Corp Sylvania Miniature Lighting Div
3110-00-100-0711259576 INTERCHANGEABLE
Cone and Rollers,tapered Roller
Acf Industries Inc
3110-00-100-366993800 INTERCHANGEABLE
Cone and Rollers,tapered Roller
The Timken Corporation
5120-00-223-89286 IN. FORCE CUP GSA INTERCHANGEABLE
Force Cup,plumber's
Samuel Levine Plumbing and Heating Supplies, Inc. Div Slphs Inc
3030-00-232-251741604 INTERCHANGEABLE
Belt,v
Contitech Usa, Inc Dba Veyance Technologies
4820-00-311-473622130 INTERCHANGEABLE
Valve,safety Relief
Cleveland Range, Llc
5120-00-497-5270 INTERCHANGEABLE
Puller,mechanical
5975-00-578-2864SR-3-P4 INTERCHANGEABLE
Bushing,strain Relief,cable
Heyco Inc Dba Heyco Products
5120-00-633-5085 INTERCHANGEABLE
Puller,mechanical
2925-00-717-230493799 INTERCHANGEABLE
Cable Assy,special
Vse Aviation, Inc.
Cross-Reference Index
Part NumberManufacturer
938-00 PRIMARY Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
938 Zf Industrieantriebe Witten Gmbh (DEU)
40297-09 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
40297-09 FIND 26 Sudan Enterprises (USA)
Related Parts
6240-00-043-0269INTERCHANGEABLE
LAMP,CARTRIDGE
938B0938
3110-00-100-0711INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
259576
3110-00-100-3669INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
93800
5120-00-223-8928INTERCHANGEABLE
FORCE CUP,PLUMBER'S
6 IN. FORCE CUP GSA
3030-00-232-2517INTERCHANGEABLE
BELT,V
41604
4820-00-311-4736INTERCHANGEABLE
VALVE,SAFETY RELIEF
22130
5120-00-497-5270INTERCHANGEABLE
PULLER,MECHANICAL
5975-00-578-2864INTERCHANGEABLE
BUSHING,STRAIN RELIEF,CABLE
SR-3-P4
5120-00-633-5085INTERCHANGEABLE
PULLER,MECHANICAL
2925-00-717-2304INTERCHANGEABLE
CABLE ASSY,SPECIAL
93799
5350-00-757-4707INTERCHANGEABLE
LAPPING AND GRINDING COMPOUND
938
5905-00-824-1509INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
938

Frequently Asked Questions

What is NSN 5331-01-244-5961?

NSN 5331-01-244-5961 is a O-Ring, manufactured by Trac Regulator Co., Inc. Dba Trac Regulator Co Inc, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-244-5961?

NSN 5331-01-244-5961 has 4 cross-referenced part numbers: 938-00 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 938 (Zf Industrieantriebe Witten Gmbh), 40297-09 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 40297-09 FIND 26 (Sudan Enterprises).

What NSN replaces 5331-01-244-5961?

There are 12 known substitutes for 5331-01-244-5961: 6240-00-043-0269, 3110-00-100-0711, 3110-00-100-3669 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 938-00?

Key specifications for 938-00: Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR. 1 total characteristics are documented in the Federal Logistics Information System.

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