4730-01-509-3553 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Features
Thread Piece,union — FSC 4730
Union End Thread Direction: RIGHT-HAND
Application/function: USED WITH CPV MARK VIII VALVE SYSTEM
End Connection Type: SWEAT SOLDER
Union End Thread Size: 1.250-12
Seat Type: RECESSED FACE
Tubing Outside Diameter: 0.750 INCHES NOMINAL IN
Union End Screw Thread Series Designator: UNF
Identification
NSN: 4730-01-509-3553
NIIN: 015093553
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
FSG: 47 — Pipe, Tubing, Hose, and Fittings
General Description
The Thread Piece,union, cataloged under National Stock Number 4730-01-509-3553, 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 9 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
6000.0 POUNDS PER SQUARE INCH (PSI) NOMINAL HYDRAULIC OIL LBS
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
F849-12-NICU
5/2Secondary reference
U.S. Government activity
H849T-12-NICU
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 4730-01-509-3553?
NSN 4730-01-509-3553 is a Thread Piece,union, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
What are the specifications of 4730-01-509-3553?
Key specifications for 4730-01-509-3553: Union End Thread Direction: RIGHT-HAND; Application/function: USED WITH CPV MARK VIII VALVE SYSTEM; End Connection Type: SWEAT SOLDER; Union End Thread Size: 1.250-12. 9 specifications are documented in the U.S. Government catalog.
Is NSN 4730-01-509-3553 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.