PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

35121O-Ring

Gh Bettis a Galveston-Houston Co · NSN 5331-01-231-5919 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-231-5919 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-231-5919. Primary manufacturer part number: 35121.
Features
  • O-Ring — FSC 5331
  • Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
  • 1 verified cross-reference
  • Primary manufacturer: Gh Bettis a Galveston-Houston Co
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 5331-01-231-5919, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Gh Bettis a Galveston-Houston Co. Government technical data includes 1 verified specification, 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-01-231-5919
Primary Part Number35121
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerGh Bettis a Galveston-Houston Co
StatusACTIVE
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5342-00-114-5501 INTERCHANGEABLE
Clamp,draw
5961-00-232-3248 INTERCHANGEABLE
Retainer,semiconductor Device
5999-00-311-41217412022 INTERCHANGEABLE
Contact,electrical
U S Army Tank Automotive Command Amsta-Im-Mm
3040-01-004-43523512-1-G INTERCHANGEABLE
Connecting Link,rigid
Tyee Aircraft Inc Div Tyee Aircraft
4140-01-095-2062114028/115VOLT INTERCHANGEABLE
Exhaust Disposal Kit
The Brewer-Garrett Company Dba the Brewer-Garrett Co, Inc
4820-01-100-34070302327310 INTERCHANGEABLE
Valve,stop-Check
Tate Andale, Llc
5365-01-416-137635121 INTERCHANGEABLE
Plug,machine Thread
Alfa Laval Inc
8465-01-642-526735121 INTERCHANGEABLE
Bag,clothing
Outdoor Research, Llc
Cross-Reference Index
Part NumberManufacturer
35121 Gh Bettis a Galveston-Houston Co (USA)
Related Parts
5342-00-114-5501INTERCHANGEABLE
CLAMP,DRAW
5961-00-232-3248INTERCHANGEABLE
RETAINER,SEMICONDUCTOR DEVICE
5999-00-311-4121INTERCHANGEABLE
CONTACT,ELECTRICAL
7412022
3040-01-004-4352INTERCHANGEABLE
CONNECTING LINK,RIGID
3512-1-G
4140-01-095-2062INTERCHANGEABLE
EXHAUST DISPOSAL KIT
114028/115VOLT
4820-01-100-3407INTERCHANGEABLE
VALVE,STOP-CHECK
0302327310
5365-01-416-1376INTERCHANGEABLE
PLUG,MACHINE THREAD
35121
8465-01-642-5267INTERCHANGEABLE
BAG,CLOTHING
35121

Frequently Asked Questions

What is NSN 5331-01-231-5919?

NSN 5331-01-231-5919 is a O-Ring, manufactured by Gh Bettis a Galveston-Houston Co, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-231-5919?

NSN 5331-01-231-5919 has 1 cross-referenced part number: 35121 (Gh Bettis a Galveston-Houston Co).

What NSN replaces 5331-01-231-5919?

There are 8 known substitutes for 5331-01-231-5919: 5342-00-114-5501, 5961-00-232-3248, 5999-00-311-4121 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 35121?

Key specifications for 35121: 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.
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