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NSN 4730-01-377-9946Government record, cited

Union, Tube4730-01-377-9946

NSN 4730-01-377-9946 · NIIN 013779946 · Part number NY400-7-0023
Swagelok Co · FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings · FSG 47 — Pipe, Tubing, Hose, and Fittings · CAGE 3T9T9
Government record, cited
NSN 4730-01-377-9946 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-377-9946. Manufacturer of record part number: NY400-7-0023.
Also searched as  4730-01-377-9946 · 4730013779946 · NIIN 013779946 · 01-377-9946 · FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · CAGE 3T9T9 · NY400-7-0023 · GA500U4-6ANN
Nearby stock numbers  ·
Features
  • Union,tube — FSC 4730
  • Connection Style: PLAIN (TUBE) FIRST END
  • Connection Type: UNTHREADED INTERNAL TUBE FIRST END
  • Style Designator: SCREWED
  • Nominal Outside Diameter Tube Accommodated: 0.250 INCHES FIRST END IN
  • Material: PLASTIC POLYAMIDE NYLON OVERALL
  • 2 manufacturer part numbers on file
  • Manufacturer of record: Swagelok Co
Identification
  • NSN: 4730-01-377-9946
  • NIIN: 013779946
  • FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
  • FSG: 47 — Pipe, Tubing, Hose, and Fittings
  • Primary part number: NY400-7-0023
  • Manufacturer: Swagelok Co
General Description

The Union,tube, cataloged under National Stock Number 4730-01-377-9946, 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 Swagelok Co. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-377-9946
Primary Part NumberNY400-7-0023
Item NameUnion,tube
FSC / FSG4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
ManufacturerSwagelok Co
StatusACTIVE
Connection StylePLAIN (TUBE) FIRST END
Connection TypeUNTHREADED INTERNAL TUBE FIRST END
Style DesignatorSCREWED
Nominal Outside Diameter Tube Accommodated0.250 INCHES FIRST END IN
MaterialPLASTIC POLYAMIDE NYLON OVERALL
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
NY400-7-0023 PRIMARY Swagelok Co (USA)
GA500U4-6ANN Northrop Grumman Systems Corporation (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 4730-01-377-9946?

NSN 4730-01-377-9946 is a Union,tube, manufactured by Swagelok Co, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.

What part numbers are listed for NSN 4730-01-377-9946?

NSN 4730-01-377-9946 has 2 manufacturer part numbers on file: NY400-7-0023 (Swagelok Co), GA500U4-6ANN (Northrop Grumman Systems Corporation).

What are the specifications of NY400-7-0023?

Key specifications for NY400-7-0023: Connection Style: PLAIN (TUBE) FIRST END; Connection Type: UNTHREADED INTERNAL TUBE FIRST END; Style Designator: SCREWED; Nominal Outside Diameter Tube Accommodated: 0.250 INCHES FIRST END IN. 5 specifications are documented in the U.S. Government catalog.

Is NSN 4730-01-377-9946 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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