PartsTable TECHNICAL DATA SHEET
NSN 5331-01-594-4527Government record, cited

O-Ring5331-01-594-4527

NSN 5331-01-594-4527 · NIIN 015944527 · Part number C68974-004
Helicopter Support, Inc. Dba Sikorsky Commercial · FSC 5331 — O-ring · FSG 53 — Hardware and Abrasives · CAGE 4G088
Government record, cited
NSN 5331-01-594-4527 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-594-4527. Manufacturer of record part number: C68974-004.
Also searched as  5331-01-594-4527 · 5331015944527 · NIIN 015944527 · 01-594-4527 · FSC 5331 O-ring · CAGE 4G088 · C68974-004
Nearby stock numbers  ·
Features
  • O-Ring — FSC 5331
  • 1 manufacturer part number on file
  • Manufacturer of record: Helicopter Support, Inc. Dba Sikorsky Commercial
Identification
  • NSN: 5331-01-594-4527
  • NIIN: 015944527
  • FSC: 5331 — O-ring
  • FSG: 53 — Hardware and Abrasives
  • Primary part number: C68974-004
  • Manufacturer: Helicopter Support, Inc. Dba Sikorsky Commercial
General Description

The O-Ring, cataloged under National Stock Number 5331-01-594-4527, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Helicopter Support, Inc. Dba Sikorsky Commercial. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-01-594-4527
Primary Part NumberC68974-004
Item NameO-Ring
FSC / FSG5331 / 53 — O-ring
ManufacturerHelicopter Support, Inc. Dba Sikorsky Commercial
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
C68974-004 PRIMARY Helicopter Support, Inc. Dba Sikorsky Commercial (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 5331-01-594-4527?

NSN 5331-01-594-4527 is a O-Ring, manufactured by Helicopter Support, Inc. Dba Sikorsky Commercial, classified under FSC 5331, O-ring. Status: active.

What part numbers are listed for NSN 5331-01-594-4527?

NSN 5331-01-594-4527 has 1 manufacturer part number on file: C68974-004 (Helicopter Support, Inc. Dba Sikorsky Commercial).

What are the specifications of C68974-004?

Key specifications for C68974-004: Part Name Assigned by Controlling Agency: O-RING; End Item Identification: FLOAT BOTTLE GUAGE MANIFOLD ASSY. 0 specifications are documented in the U.S. Government catalog.

Is NSN 5331-01-594-4527 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.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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