4730-01-425-9521 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Features
Tee,tube — FSC 4730
Material Document and Classification: AMS4928 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Nominal Outside Diameter Tube Accommodated: 1.250 INCHES FIRST END IN
Nominal Outside Diameter Tube Accommodated: 1.250 INCHES SECOND END IN
Nominal Outside Diameter Tube Accommodated: 0.375 INCHES THIRD END IN
Operating Pressure: 4000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Maximum Operating Temp: 275.0 FAHRENHEIT SINGLE RESPONSE DEGF
Material: TITANIUM ALLOY UNS R54520 OVERALL
Identification
NSN: 4730-01-425-9521
NIIN: 014259521
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
FSG: 47 — Pipe, Tubing, Hose, and Fittings
General Description
The Tee,tube, cataloged under National Stock Number 4730-01-425-9521, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 7 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
4000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Maximum Operating Temp
275.0 FAHRENHEIT SINGLE RESPONSE DEGF
Material
TITANIUM ALLOY UNS R54520 OVERALL
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
DAA3119D305-039
3/2Design control — primary reference
U.S. Government activity
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 4730-01-425-9521?
NSN 4730-01-425-9521 is a Tee,tube, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
What are the specifications of 4730-01-425-9521?
Key specifications for 4730-01-425-9521: Material Document and Classification: AMS4928 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Nominal Outside Diameter Tube Accommodated: 1.250 INCHES FIRST END IN; Nominal Outside Diameter Tube Accommodated: 1.250 INCHES SECOND END IN; Nominal Outside Diameter Tube Accommodated: 0.375 INCHES THIRD END IN. 7 specifications are documented in the U.S. Government catalog.
Is NSN 4730-01-425-9521 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.