PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

204357O-Ring

Hamilton Jet, Inc. · NSN 5331-01-681-4932 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-681-4932 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-681-4932. Primary manufacturer part number: 204357.
Features
  • O-Ring — FSC 5331
  • Cross-Sectional Height: 3.0 MILLIMETERS NOMINAL MM
  • Center Hole Diameter: 74.0 MILLIMETERS NOMINAL MM
  • 2 verified cross-references
  • Primary manufacturer: Hamilton Jet, Inc.
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-01-681-4932, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Hamilton Jet, Inc.. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-01-681-4932
Primary Part Number204357
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerHamilton Jet, Inc.
StatusACTIVE
Cross-Sectional Height3.0 MILLIMETERS NOMINAL MM
Center Hole Diameter74.0 MILLIMETERS NOMINAL MM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5985-01-073-3415204357 INTERCHANGEABLE
Attenuator,variable
Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq
6685-01-324-6440204357 INTERCHANGEABLE
Gage,differential,dial Indicatin
Admiral Filter Company Llc
Cross-Reference Index
Part NumberManufacturer
204357 Kraft Power Corporation Dba Kraft Power Corp (USA)
204357 PRIMARY Hamilton Jet, Inc. (USA)
Related Parts
5985-01-073-3415INTERCHANGEABLE
ATTENUATOR,VARIABLE
204357
6685-01-324-6440INTERCHANGEABLE
GAGE,DIFFERENTIAL,DIAL INDICATIN
204357

Frequently Asked Questions

What is NSN 5331-01-681-4932?

NSN 5331-01-681-4932 is a O-Ring, manufactured by Hamilton Jet, Inc., classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-681-4932?

NSN 5331-01-681-4932 has 2 cross-referenced part numbers: 204357 (Kraft Power Corporation Dba Kraft Power Corp), 204357 (Hamilton Jet, Inc.).

What NSN replaces 5331-01-681-4932?

There are 2 known substitutes for 5331-01-681-4932: 5985-01-073-3415, 6685-01-324-6440. Verify interchangeability with system specifications before substitution.

What are the specifications of 204357?

Key specifications for 204357: Part Name Assigned by Controlling Agency: O-RING 74X3 N70; Cross-Sectional Height: 3.0 MILLIMETERS NOMINAL MM; Center Hole Diameter: 74.0 MILLIMETERS NOMINAL MM; End Item Identification: WATERJET, MAR. 4 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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