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NSN 5331-01-526-5649Government record, cited
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O-Ring5331-01-526-5649

NSN 5331-01-526-5649 · NIIN 015265649 · Part number 4KK834
Oshkosh Defense Llc · FSC 5331 — O-ring · FSG 53 — Hardware and Abrasives · CAGE 75Q65
Government record, cited
NSN 5331-01-526-5649 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-526-5649. Manufacturer of record part number: 4KK834.
Also searched as  5331-01-526-5649 · 5331015265649 · NIIN 015265649 · 01-526-5649 · FSC 5331 O-ring · CAGE 75Q65 · 4KK834 · 995-6328
Nearby stock numbers  ·
SECTION O-RING CROSS SECTION
5331-01-526-5649 — O-ring
Features
  • O-Ring — FSC 5331
  • 2 manufacturer part numbers on file
  • Manufacturer of record: Oshkosh Defense Llc
Identification
  • NSN: 5331-01-526-5649
  • NIIN: 015265649
  • FSC: 5331 — O-ring
  • FSG: 53 — Hardware and Abrasives
  • Primary part number: 4KK834
  • Manufacturer: Oshkosh Defense Llc
General Description

The O-Ring, cataloged under National Stock Number 5331-01-526-5649, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Oshkosh Defense Llc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Catalog Facts
Item NameO-Ring
FSC / FSG5331 — O-ring (FSG 53)
ManufacturersOshkosh Defense Llc (CAGE 75Q65); Hiab Usa Inc (CAGE 34914)
Technical Specifications
ParameterValue
NSN5331-01-526-5649
Primary Part Number4KK834
Item NameO-Ring
FSC / FSG5331 / 53 — O-ring
ManufacturerOshkosh Defense Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
4KK834 PRIMARY Oshkosh Defense Llc (USA)
995-6328 Hiab Usa Inc (USA)
Reference documents
ReferenceMeaning
4KK834 3/9 Design control — primary reference
Oshkosh Corp
No interchangeability data on file.
Other items in FSC 5331 — O-ring
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5331-00-001-1971
O-RING
5331-00-001-1979
O-RING
5331-00-001-3904
O-RING
5331-00-001-3905
O-RING
5331-00-001-3906
O-RING
5331-00-001-3908
O-RING
5331-00-001-3923
O-RING
5331-00-001-3924
O-RING

Frequently Asked Questions

What is NSN 5331-01-526-5649?

NSN 5331-01-526-5649 is a O-Ring, manufactured by Oshkosh Defense Llc, classified under FSC 5331, O-ring. Status: active.

What part numbers are listed for NSN 5331-01-526-5649?

NSN 5331-01-526-5649 has 2 manufacturer part numbers on file: 4KK834 (Oshkosh Defense Llc), 995-6328 (Hiab Usa Inc).

Is NSN 5331-01-526-5649 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

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✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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