PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6V-3907O-Ring

Caterpillar Inc Div Caterpillar Defense · NSN 5331-01-643-9014 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-643-9014 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-643-9014. Primary manufacturer part number: 6V-3907.
Features
  • O-Ring — FSC 5331
  • 1 verified cross-reference
  • Primary manufacturer: Caterpillar Inc Div Caterpillar Defense
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-01-643-9014, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Caterpillar Inc Div Caterpillar Defense. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-01-643-9014
Primary Part Number6V-3907
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerCaterpillar Inc Div Caterpillar Defense
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5331-01-005-3702AS3209-263 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
6V-3907 PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
Related Parts
5331-01-005-3702INTERCHANGEABLE
O-RING
AS3209-263

Frequently Asked Questions

What is NSN 5331-01-643-9014?

NSN 5331-01-643-9014 is a O-Ring, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-643-9014?

NSN 5331-01-643-9014 has 1 cross-referenced part number: 6V-3907 (Caterpillar Inc Div Caterpillar Defense).

What NSN replaces 5331-01-643-9014?

There is 1 known substitute for 5331-01-643-9014: 5331-01-005-3702. Verify interchangeability with system specifications before substitution.

What are the specifications of 6V-3907?

Key specifications for 6V-3907: Part Name Assigned by Controlling Agency: SEAL-O-RING. 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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