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NSN 5331-01-732-7704Government record, cited
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O-Ring5331-01-732-7704

NSN 5331-01-732-7704 · NIIN 017327704 · Part number 87521-S1
Polar Net, Llc Dba Polar Net Llc · FSC 5331 — O-ring · FSG 53 — Hardware and Abrasives · CAGE 72DM9
Government record, cited
NSN 5331-01-732-7704 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-732-7704. Manufacturer of record part number: 87521-S1.
Also searched as  5331-01-732-7704 · 5331017327704 · NIIN 017327704 · 01-732-7704 · FSC 5331 O-ring · CAGE 72DM9 · 87521-S1
Nearby stock numbers  ·
SECTION O-RING CROSS SECTION
5331-01-732-7704 — O-ring
Features
  • O-Ring — FSC 5331
  • 1 manufacturer part number on file
  • Manufacturer of record: Polar Net, Llc Dba Polar Net Llc
Identification
  • NSN: 5331-01-732-7704
  • NIIN: 017327704
  • FSC: 5331 — O-ring
  • FSG: 53 — Hardware and Abrasives
  • Primary part number: 87521-S1
  • Manufacturer: Polar Net, Llc Dba Polar Net Llc
General Description

The O-Ring, cataloged under National Stock Number 5331-01-732-7704, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Polar Net, Llc Dba Polar Net Llc. 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)
ManufacturersPolar Net, Llc Dba Polar Net Llc (CAGE 72DM9)
Technical Specifications
ParameterValue
NSN5331-01-732-7704
Primary Part Number87521-S1
Item NameO-Ring
FSC / FSG5331 / 53 — O-ring
ManufacturerPolar Net, Llc Dba Polar Net 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
87521-S1 PRIMARY Polar Net, Llc Dba Polar Net Llc (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 5331-01-732-7704?

NSN 5331-01-732-7704 is a O-Ring, manufactured by Polar Net, Llc Dba Polar Net Llc, classified under FSC 5331, O-ring. Status: active.

What part numbers are listed for NSN 5331-01-732-7704?

NSN 5331-01-732-7704 has 1 manufacturer part number on file: 87521-S1 (Polar Net, Llc Dba Polar Net Llc).

Is NSN 5331-01-732-7704 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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