PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4076O-Ring

Buffalo Turbine Defense Llc · NSN 5331-01-669-2438 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-669-2438 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-669-2438. Primary manufacturer part number: 4076.
Features
  • O-Ring — FSC 5331
  • 2 verified cross-references
  • Primary manufacturer: Buffalo Turbine Defense Llc
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-01-669-2438, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Buffalo Turbine Defense Llc. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameO-Ring
FSC / FSG5331 — O-Ring (FSG 53)
ManufacturersJ.w.f. Technologies, Llc (CAGE 31KK8); Buffalo Turbine Defense Llc (CAGE 93146)
Technical Specifications
ParameterValue
NSN5331-01-669-2438
Primary Part Number4076
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerBuffalo Turbine Defense Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4320-00-116-03764076 INTERCHANGEABLE
Parts Kit,hydraulic Pump
Husco International Inc
5306-00-151-1417 INTERCHANGEABLE
Bolt,machine
4730-00-370-4832GA1477 INTERCHANGEABLE
Adapter,tank Filler
Eaton Corporation
2920-00-377-56314076 INTERCHANGEABLE
Cap,ignition Distribution
Champion Aerospace Llc
6210-00-782-78684076 INTERCHANGEABLE
Lens,light
L3harris Technologies, Inc. Div Space and Airborne Systems
5950-00-809-3749 INTERCHANGEABLE
Transformer,power
5331-01-155-1783 INTERCHANGEABLE
O-Ring
5340-01-176-70144076 INTERCHANGEABLE
Bumper
Atlantic India Rubber Co Inc
5340-01-194-94434076-034-BLK INTERCHANGEABLE
Bumper
Accurate Elastomer Products, Inc.
6515-01-261-46564076 INTERCHANGEABLE
Catheter and Needle Unit,intrave
Critikon Inc Sub of Johnson and Johnson
Cross-Reference Index
Part NumberManufacturer
4000-12 J.w.f. Technologies, Llc (USA)
4076 PRIMARY Buffalo Turbine Defense Llc (USA)
Related Parts
4320-00-116-0376INTERCHANGEABLE
PARTS KIT,HYDRAULIC PUMP
4076
5306-00-151-1417INTERCHANGEABLE
BOLT,MACHINE
4730-00-370-4832INTERCHANGEABLE
ADAPTER,TANK FILLER
GA1477
2920-00-377-5631INTERCHANGEABLE
CAP,IGNITION DISTRIBUTION
4076
6210-00-782-7868INTERCHANGEABLE
LENS,LIGHT
4076
5950-00-809-3749INTERCHANGEABLE
TRANSFORMER,POWER
5331-01-155-1783INTERCHANGEABLE
O-RING
5340-01-176-7014INTERCHANGEABLE
BUMPER
4076
5340-01-194-9443INTERCHANGEABLE
BUMPER
4076-034-BLK
6515-01-261-4656INTERCHANGEABLE
CATHETER AND NEEDLE UNIT,INTRAVE
4076
6645-01-289-6297INTERCHANGEABLE
HEART,RUNNER
4076
7530-01-357-6851INTERCHANGEABLE
LABEL
4076

Frequently Asked Questions

What is NSN 5331-01-669-2438?

NSN 5331-01-669-2438 is a O-Ring, manufactured by Buffalo Turbine Defense Llc, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-669-2438?

NSN 5331-01-669-2438 has 2 cross-referenced part numbers: 4000-12 (J.w.f. Technologies, Llc), 4076 (Buffalo Turbine Defense Llc).

What NSN replaces 5331-01-669-2438?

There are 12 known substitutes for 5331-01-669-2438: 4320-00-116-0376, 5306-00-151-1417, 4730-00-370-4832 and 9 more. Verify interchangeability with system specifications before substitution.

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