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NSN 5331-01-280-7521Government record, cited
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O-Ring5331-01-280-7521

NSN 5331-01-280-7521 · NIIN 012807521 · Part number B1250503
Power Packer North America Inc · FSC 5331 — O-ring · FSG 53 — Hardware and Abrasives · CAGE 1K076
Government record, cited
NSN 5331-01-280-7521 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-280-7521. Manufacturer of record part number: B1250503.
Also searched as  5331-01-280-7521 · 5331012807521 · NIIN 012807521 · 01-280-7521 · FSC 5331 O-ring · CAGE 1K076 · B1250503 · B1250.503
Nearby stock numbers  ·
SECTION O-RING CROSS SECTION
5331-01-280-7521 — O-ring
Features
  • O-Ring — FSC 5331
  • 1 manufacturer part number on file
  • Manufacturer of record: Power Packer North America Inc
Identification
  • NSN: 5331-01-280-7521
  • NIIN: 012807521
  • FSC: 5331 — O-ring
  • FSG: 53 — Hardware and Abrasives
  • Primary part number: B1250503
  • Manufacturer: Power Packer North America Inc
General Description

The O-Ring, cataloged under National Stock Number 5331-01-280-7521, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Power Packer North America 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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)
ManufacturersPower Packer North America Inc (CAGE 1K076)
Technical Specifications
ParameterValue
NSN5331-01-280-7521
Primary Part NumberB1250503
Item NameO-Ring
FSC / FSG5331 / 53 — O-ring
ManufacturerPower Packer North America 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
B1250503 PRIMARY Power Packer North America Inc (USA)
Reference documents
ReferenceMeaning
B1250.503 5/9 Secondary reference
Enerpac Tool Group 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 5331-01-280-7521?

NSN 5331-01-280-7521 is a O-Ring, manufactured by Power Packer North America Inc, classified under FSC 5331, O-ring. Status: active.

What part numbers are listed for NSN 5331-01-280-7521?

NSN 5331-01-280-7521 has 1 manufacturer part number on file: B1250503 (Power Packer North America Inc).

Is NSN 5331-01-280-7521 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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