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NSN 4730-01-371-0169Government record, cited

Nut, Tube Coupling4730-01-371-0169

NSN 4730-01-371-0169 · NIIN 013710169 · Part number 6696827
Naval Sea Systems Command · FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings · FSG 47 — Pipe, Tubing, Hose, and Fittings · CAGE 53711
Government record, cited
NSN 4730-01-371-0169 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-371-0169. Manufacturer of record part number: 6696827.
Also searched as  4730-01-371-0169 · 4730013710169 · NIIN 013710169 · 01-371-0169 · FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · CAGE 53711 · 6696827
Nearby stock numbers  ·
Features
  • Nut,tube Coupling — FSC 4730
  • Width Across Flats: 0.690 INCHES NOMINAL IN
  • Thread Series: UNF
  • Criticality Code Justification: FEAT
  • Nominal Thread Size: 0.5625 INCHES IN
  • Nut Height: 0.500 INCHES NOMINAL IN
  • Thread Class: 2B
  • Thread Quantity Per Inch: 18
Identification
  • NSN: 4730-01-371-0169
  • NIIN: 013710169
  • FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
  • FSG: 47 — Pipe, Tubing, Hose, and Fittings
  • Primary part number: 6696827
  • Manufacturer: Naval Sea Systems Command
General Description

The Nut,tube Coupling, cataloged under National Stock Number 4730-01-371-0169, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 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
NSN4730-01-371-0169
Primary Part Number6696827
Item NameNut,tube Coupling
FSC / FSG4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
ManufacturerNaval Sea Systems Command
StatusACTIVE
Width Across Flats0.690 INCHES NOMINAL IN
Thread SeriesUNF
Criticality Code JustificationFEAT
Nominal Thread Size0.5625 INCHES IN
Nut Height0.500 INCHES NOMINAL IN
Thread Class2B
Thread Quantity Per Inch18
MaterialCOPPER ALLOY OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeY
Cross-Reference Index
Part NumberManufacturer
6696827 PRIMARY Naval Sea Systems Command (USA)
No interchangeability data on file.
Other items in FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4730-00-000-1895
4730-00-000-1895 · Item name not on file
4730-00-000-4289
4730-00-000-4289 · Item name not on file
4730-00-000-4445
4730-00-000-4445 · Item name not on file
4730-00-000-8373
4730-00-000-8373 · Item name not on file
4730-00-000-8897
4730-00-000-8897 · Item name not on file
4730-00-001-0007
4730-00-001-0007 · Item name not on file
4730-00-001-0008
COUPLING,TUBE
4730-00-001-0008
COUPLING,TUBE

Frequently Asked Questions

What is NSN 4730-01-371-0169?

NSN 4730-01-371-0169 is a Nut,tube Coupling, manufactured by Naval Sea Systems Command, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.

What part numbers are listed for NSN 4730-01-371-0169?

NSN 4730-01-371-0169 has 1 manufacturer part number on file: 6696827 (Naval Sea Systems Command).

What are the specifications of 6696827?

Key specifications for 6696827: Width Across Flats: 0.690 INCHES NOMINAL IN; Thread Series: UNF; Criticality Code Justification: FEAT; Nominal Thread Size: 0.5625 INCHES IN. 8 specifications are documented in the U.S. Government catalog.

Is NSN 4730-01-371-0169 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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