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NSN 5331-01-385-2697Government record, cited
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O-Ring5331-01-385-2697

NSN 5331-01-385-2697 · NIIN 013852697 · Part number 522690
Riva Klein and Partners · FSC 5331 — O-ring · FSG 53 — Hardware and Abrasives · CAGE 0FN14
Government record, cited
NSN 5331-01-385-2697 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-385-2697. Manufacturer of record part number: 522690.
Also searched as  5331-01-385-2697 · 5331013852697 · NIIN 013852697 · 01-385-2697 · FSC 5331 O-ring · CAGE 0FN14 · 522690
Nearby stock numbers  ·
SECTION O-RING CROSS SECTION
5331-01-385-2697 — O-ring
Features
  • O-Ring — FSC 5331
  • 2 manufacturer part numbers on file
  • Manufacturer of record: Riva Klein and Partners
Identification
  • NSN: 5331-01-385-2697
  • NIIN: 013852697
  • FSC: 5331 — O-ring
  • FSG: 53 — Hardware and Abrasives
  • Primary part number: 522690
  • Manufacturer: Riva Klein and Partners
General Description

The O-Ring, cataloged under National Stock Number 5331-01-385-2697, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Riva Klein and Partners. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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)
ManufacturersRiva Klein and Partners (CAGE 0FN14); Calzoni Srl (CAGE A0461)
Technical Specifications
ParameterValue
NSN5331-01-385-2697
Primary Part Number522690
Item NameO-Ring
FSC / FSG5331 / 53 — O-ring
ManufacturerRiva Klein and Partners
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
522690 PRIMARY Riva Klein and Partners (USA)
522690 Calzoni Srl (ITA)
Reference documents
ReferenceMeaning
522690 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 5331-01-385-2697?

NSN 5331-01-385-2697 is a O-Ring, manufactured by Riva Klein and Partners, classified under FSC 5331, O-ring. Status: active.

What part numbers are listed for NSN 5331-01-385-2697?

NSN 5331-01-385-2697 has 2 manufacturer part numbers on file: 522690 (Riva Klein and Partners), 522690 (Calzoni Srl).

Is NSN 5331-01-385-2697 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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