PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

TF-841-54O-Ring

Trelleborg Sealing Solutions El Segundo, Inc. Dba Tss El Segundo · NSN 5331-01-194-6112 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-194-6112 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-194-6112. Primary manufacturer part number: TF-841-54.
Features
  • O-Ring — FSC 5331
  • 4 verified cross-references
  • Primary manufacturer: Trelleborg Sealing Solutions El Segundo, Inc. Dba Tss El Segundo
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-01-194-6112, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Trelleborg Sealing Solutions El Segundo, Inc. Dba Tss El Segundo. This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameO-Ring
FSC / FSG5331 — O-Ring (FSG 53)
ManufacturersHalogen Insulator and Seal Corp (CAGE 06981); Trelleborg Sealing Solutions Us, Inc. (CAGE 09257); Trelleborg Sealing Solutions El Segundo, Inc. Dba Tss El Segundo (CAGE 07128); Northrop Grumman Systems Corporation (CAGE 26512)
Technical Specifications
ParameterValue
NSN5331-01-194-6112
Primary Part NumberTF-841-54
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerTrelleborg Sealing Solutions El Segundo, Inc. Dba Tss El Segundo
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5340-01-345-9694E2605-4 INTERCHANGEABLE
Handle,bow
Unicorp.
Cross-Reference Index
Part NumberManufacturer
E-260-54 Halogen Insulator and Seal Corp (USA)
TF-841-54 Trelleborg Sealing Solutions Us, Inc. (USA)
TF-841-54 PRIMARY Trelleborg Sealing Solutions El Segundo, Inc. Dba Tss El Segundo (USA)
GS570B54 Northrop Grumman Systems Corporation (USA)
Related Parts
5340-01-345-9694INTERCHANGEABLE
HANDLE,BOW
E2605-4

Frequently Asked Questions

What is NSN 5331-01-194-6112?

NSN 5331-01-194-6112 is a O-Ring, manufactured by Trelleborg Sealing Solutions El Segundo, Inc. Dba Tss El Segundo, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-194-6112?

NSN 5331-01-194-6112 has 4 cross-referenced part numbers: E-260-54 (Halogen Insulator and Seal Corp), TF-841-54 (Trelleborg Sealing Solutions Us, Inc.), TF-841-54 (Trelleborg Sealing Solutions El Segundo, Inc. Dba Tss El Segundo), GS570B54 (Northrop Grumman Systems Corporation).

What NSN replaces 5331-01-194-6112?

There is 1 known substitute for 5331-01-194-6112: 5340-01-345-9694. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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