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NSN 5331-01-278-1750Government record, cited
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O-Ring5331-01-278-1750

NSN 5331-01-278-1750 · NIIN 012781750 · Part number WC-2928
Curtis Wilbur Co Inc · FSC 5331 — O-ring · FSG 53 — Hardware and Abrasives · CAGE 06649
Government record, cited
NSN 5331-01-278-1750 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-278-1750. Manufacturer of record part number: WC-2928.
Also searched as  5331-01-278-1750 · 5331012781750 · NIIN 012781750 · 01-278-1750 · FSC 5331 O-ring · CAGE 06649 · WC-2928 · WC-4320
Nearby stock numbers  ·
SECTION O-RING CROSS SECTION
5331-01-278-1750 — O-ring
Features
  • O-Ring — FSC 5331
  • 1 manufacturer part number on file
  • Manufacturer of record: Curtis Wilbur Co Inc
Identification
  • NSN: 5331-01-278-1750
  • NIIN: 012781750
  • FSC: 5331 — O-ring
  • FSG: 53 — Hardware and Abrasives
  • Primary part number: WC-2928
  • Manufacturer: Curtis Wilbur Co Inc
General Description

The O-Ring, cataloged under National Stock Number 5331-01-278-1750, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Curtis Wilbur Co Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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)
ManufacturersCurtis Wilbur Co Inc (CAGE 06649)
Technical Specifications
ParameterValue
NSN5331-01-278-1750
Primary Part NumberWC-2928
Item NameO-Ring
FSC / FSG5331 / 53 — O-ring
ManufacturerCurtis Wilbur Co Inc
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
WC-2928 PRIMARY Curtis Wilbur Co Inc (USA)
Reference documents
ReferenceMeaning
WC-4320 C/1 Advisory reference — outside the item-of-supply concept
Zf Industrieantriebe Witten Gmbh
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 5331-01-278-1750?

NSN 5331-01-278-1750 is a O-Ring, manufactured by Curtis Wilbur Co Inc, classified under FSC 5331, O-ring. Status: active.

What part numbers are listed for NSN 5331-01-278-1750?

NSN 5331-01-278-1750 has 1 manufacturer part number on file: WC-2928 (Curtis Wilbur Co Inc).

Is NSN 5331-01-278-1750 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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