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NSN 5331-01-443-5721Government record, cited
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O-Ring5331-01-443-5721

NSN 5331-01-443-5721 · NIIN 014435721 · Part number 64-0717-71
Service Filtration Corp · FSC 5331 — O-ring · FSG 53 — Hardware and Abrasives · CAGE 31738
Government record, cited
NSN 5331-01-443-5721 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-443-5721. Manufacturer of record part number: 64-0717-71.
Also searched as  5331-01-443-5721 · 5331014435721 · NIIN 014435721 · 01-443-5721 · FSC 5331 O-ring · CAGE 31738 · 64-0717-71
Nearby stock numbers  ·
SECTION O-RING CROSS SECTION
5331-01-443-5721 — O-ring
Features
  • O-Ring — FSC 5331
  • 1 manufacturer part number on file
  • Manufacturer of record: Service Filtration Corp
Identification
  • NSN: 5331-01-443-5721
  • NIIN: 014435721
  • FSC: 5331 — O-ring
  • FSG: 53 — Hardware and Abrasives
  • Primary part number: 64-0717-71
  • Manufacturer: Service Filtration Corp
General Description

The O-Ring, cataloged under National Stock Number 5331-01-443-5721, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Service Filtration Corp. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Catalog Facts
Item NameO-Ring
FSC / FSG5331 — O-ring (FSG 53)
ManufacturersService Filtration Corp (CAGE 31738)
Technical Specifications
ParameterValue
NSN5331-01-443-5721
Primary Part Number64-0717-71
Item NameO-Ring
FSC / FSG5331 / 53 — O-ring
ManufacturerService Filtration 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
64-0717-71 PRIMARY Service Filtration Corp (USA)
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 5331-01-443-5721?

NSN 5331-01-443-5721 is a O-Ring, manufactured by Service Filtration Corp, classified under FSC 5331, O-ring. Status: active.

What part numbers are listed for NSN 5331-01-443-5721?

NSN 5331-01-443-5721 has 1 manufacturer part number on file: 64-0717-71 (Service Filtration Corp).

Is NSN 5331-01-443-5721 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.

PartsTable — the parts reference. Every fact cited to its source.
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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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