NSN 4730-01-481-5508 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-481-5508. Manufacturer of record part number: 4638K733.
Also searched as4730-01-481-5508 ·
4730014815508 ·
NIIN 014815508 ·
01-481-5508 ·
FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · CAGE 4X630 · 4638K733
4730-01-481-5508 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Features
Union,pipe — FSC 4730
Connection Type: THREADED INTERNAL PIPE ALL ENDS
Style Designator: THREADED
Seat Type: GROOVED
Material: IRON MALLEABLE OVERALL
2 manufacturer part numbers on file
Manufacturer of record: Guild Associates Inc
Identification
NSN: 4730-01-481-5508
NIIN: 014815508
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
FSG: 47 — Pipe, Tubing, Hose, and Fittings
Primary part number: 4638K733
Manufacturer: Guild Associates Inc
General Description
The Union,pipe, cataloged under National Stock Number 4730-01-481-5508, 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 Guild Associates Inc. Government technical data includes 4 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.
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 4730-01-481-5508?
NSN 4730-01-481-5508 is a Union,pipe, manufactured by Guild Associates Inc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
What part numbers are listed for NSN 4730-01-481-5508?
NSN 4730-01-481-5508 has 2 manufacturer part numbers on file: 4638K733 (Mcmaster-Carr Supply Co), 4638K733 (Guild Associates Inc).
What are the specifications of 4638K733?
Key specifications for 4638K733: Connection Type: THREADED INTERNAL PIPE ALL ENDS; Style Designator: THREADED; Seat Type: GROOVED; Special Features: USE WITH SCHEDULE 40 STEE L NIPPLES AND PIPE. MEET ANSI B16.3 AND FEDERAL SPECIFICATION WW-P-521. PI PE SIZE .5000 INCH. CONNECTION: NPT. IN. 4 specifications are documented in the U.S. Government catalog.
Is NSN 4730-01-481-5508 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.