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NSN 5331-01-687-4325Government record, cited
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O-Ring5331-01-687-4325

NSN 5331-01-687-4325 · NIIN 016874325 · Part number 25-015
Hii Unmanned Systems, Inc · FSC 5331 — O-ring · FSG 53 — Hardware and Abrasives · CAGE 4Z5A9
Government record, cited
NSN 5331-01-687-4325 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-687-4325. Manufacturer of record part number: 25-015.
Also searched as  5331-01-687-4325 · 5331016874325 · NIIN 016874325 · 01-687-4325 · FSC 5331 O-ring · CAGE 4Z5A9 · 25-015
Nearby stock numbers  ·
SECTION O-RING CROSS SECTION
5331-01-687-4325 — O-ring
Features
  • O-Ring — FSC 5331
  • 3 manufacturer part numbers on file
  • Manufacturer of record: Hii Unmanned Systems, Inc
Identification
  • NSN: 5331-01-687-4325
  • NIIN: 016874325
  • FSC: 5331 — O-ring
  • FSG: 53 — Hardware and Abrasives
  • Primary part number: 25-015
  • Manufacturer: Hii Unmanned Systems, Inc
General Description

The O-Ring, cataloged under National Stock Number 5331-01-687-4325, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Hii Unmanned Systems, Inc. The record lists 3 manufacturer part numbers 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)
ManufacturersHii Unmanned Systems, Inc (CAGE 4Z5A9); Bluezone Group Pty Limited (CAGE Z0ZT6); Leidos Australia Pty Limited (CAGE Z0YR8)
Technical Specifications
ParameterValue
NSN5331-01-687-4325
Primary Part Number25-015
Item NameO-Ring
FSC / FSG5331 / 53 — O-ring
ManufacturerHii Unmanned Systems, Inc
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
25-015 PRIMARY Hii Unmanned Systems, Inc (USA)
25-015 Bluezone Group Pty Limited (AUS)
25-015 Leidos Australia Pty Limited (AUS)
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 5331-01-687-4325?

NSN 5331-01-687-4325 is a O-Ring, manufactured by Hii Unmanned Systems, Inc, classified under FSC 5331, O-ring. Status: active.

What part numbers are listed for NSN 5331-01-687-4325?

NSN 5331-01-687-4325 has 3 manufacturer part numbers on file: 25-015 (Hii Unmanned Systems, Inc), 25-015 (Bluezone Group Pty Limited), 25-015 (Leidos Australia Pty Limited).

Is NSN 5331-01-687-4325 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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