PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3000-231O-Ring

Kepner Products Co Div Kepner Products Company · NSN 5331-01-406-7042 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-406-7042 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-406-7042. Primary manufacturer part number: 3000-231.
Features
  • O-Ring — FSC 5331
  • 2 verified cross-references
  • Primary manufacturer: Kepner Products Co Div Kepner Products Company
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-01-406-7042, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Kepner Products Co Div Kepner Products Company. This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameO-Ring
FSC / FSG5331 — O-Ring (FSG 53)
ManufacturersKepner Products Co Div Kepner Products Company (CAGE 96948)
Technical Specifications
ParameterValue
NSN5331-01-406-7042
Primary Part Number3000-231
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerKepner Products Co Div Kepner Products Company
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5310-00-058-0513 INTERCHANGEABLE
Nut,plain,hexagon
6680-01-187-0817300023-1 INTERCHANGEABLE
Velocimeter
Lockheed Martin Sippican, Inc. Div Lockheed Martin Marion
5845-01-215-0409200023-1 INTERCHANGEABLE
Probe,sonar
Lockheed Martin Sippican, Inc. Div Lockheed Martin Marion
5950-01-265-80853000-168 INTERCHANGEABLE
Transformer,power
Fluke Corp
2520-01-523-04143000231 INTERCHANGEABLE
Gear,spider,lower
Oshkosh Defense Llc
3805-01-577-47333000168 INTERCHANGEABLE
End Bit,moldboard
Caterpillar Inc Div Caterpillar Defense
5330-01-616-4835300023-1 INTERCHANGEABLE
Retainer,packing
Tri-Tec Manufacturing Llc
Cross-Reference Index
Part NumberManufacturer
3000-168 Kepner Products Co Div Kepner Products Company (USA)
3000-231 PRIMARY Kepner Products Co Div Kepner Products Company (USA)
Related Parts
5310-00-058-0513INTERCHANGEABLE
NUT,PLAIN,HEXAGON
6680-01-187-0817INTERCHANGEABLE
VELOCIMETER
300023-1
5845-01-215-0409INTERCHANGEABLE
PROBE,SONAR
200023-1
5950-01-265-8085INTERCHANGEABLE
TRANSFORMER,POWER
3000-168
2520-01-523-0414INTERCHANGEABLE
GEAR,SPIDER,LOWER
3000231
3805-01-577-4733INTERCHANGEABLE
END BIT,MOLDBOARD
3000168
5330-01-616-4835INTERCHANGEABLE
RETAINER,PACKING
300023-1

Frequently Asked Questions

What is NSN 5331-01-406-7042?

NSN 5331-01-406-7042 is a O-Ring, manufactured by Kepner Products Co Div Kepner Products Company, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-406-7042?

NSN 5331-01-406-7042 has 2 cross-referenced part numbers: 3000-168 (Kepner Products Co Div Kepner Products Company), 3000-231 (Kepner Products Co Div Kepner Products Company).

What NSN replaces 5331-01-406-7042?

There are 7 known substitutes for 5331-01-406-7042: 5310-00-058-0513, 6680-01-187-0817, 5845-01-215-0409 and 4 more. Verify interchangeability with system specifications before substitution.

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