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NSN 5331-01-278-7638Government record, cited
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O-Ring5331-01-278-7638

NSN 5331-01-278-7638 · NIIN 012787638 · Part number 324497R1
Komatsu America Corp. · FSC 5331 — O-ring · FSG 53 — Hardware and Abrasives · CAGE 0SAT8
Government record, cited
NSN 5331-01-278-7638 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-278-7638. Manufacturer of record part number: 324497R1.
Also searched as  5331-01-278-7638 · 5331012787638 · NIIN 012787638 · 01-278-7638 · FSC 5331 O-ring · CAGE 0SAT8 · 324497R1
Nearby stock numbers  ·
SECTION O-RING CROSS SECTION
5331-01-278-7638 — O-ring
Features
  • O-Ring — FSC 5331
  • 1 manufacturer part number on file
  • Manufacturer of record: Komatsu America Corp.
Identification
  • NSN: 5331-01-278-7638
  • NIIN: 012787638
  • FSC: 5331 — O-ring
  • FSG: 53 — Hardware and Abrasives
  • Primary part number: 324497R1
  • Manufacturer: Komatsu America Corp.
General Description

The O-Ring, cataloged under National Stock Number 5331-01-278-7638, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Komatsu America Corp.. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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)
ManufacturersKomatsu America Corp. (CAGE 0SAT8)
Technical Specifications
ParameterValue
NSN5331-01-278-7638
Primary Part Number324497R1
Item NameO-Ring
FSC / FSG5331 / 53 — O-ring
ManufacturerKomatsu America Corp.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Cross-Reference Index
Part NumberManufacturer
324497R1 Komatsu America Corp. (USA)
Reference documents
ReferenceMeaning
324497R1 3/9 Design control — primary reference
Komatsu American Intl Co
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 5331-01-278-7638?

NSN 5331-01-278-7638 is a O-Ring, manufactured by Komatsu America Corp., classified under FSC 5331, O-ring. Status: active.

What part numbers are listed for NSN 5331-01-278-7638?

NSN 5331-01-278-7638 has 1 manufacturer part number on file: 324497R1 (Komatsu America Corp.).

Is NSN 5331-01-278-7638 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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