Operating Pressure: 2000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Basic Shape Style: HEXAGON SECOND FLUID END CONNECTION
Nominal Thread Size: 0.563 INCHES SECOND FLUID END CONNECTION IN
Nominal Outside Diameter: 1.010 INCHES IN
Thread Quantity Per Inch: 18 SECOND FLUID END CONNECTION
Identification
NSN: 4730-01-512-9440
NIIN: 015129440
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
FSG: 47 — Pipe, Tubing, Hose, and Fittings
General Description
The Coupling Assembly,quick Disconne, cataloged under National Stock Number 4730-01-512-9440, 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9 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
2000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Basic Shape Style
HEXAGON SECOND FLUID END CONNECTION
Nominal Thread Size
0.563 INCHES SECOND FLUID END CONNECTION IN
Nominal Outside Diameter
1.010 INCHES IN
Thread Quantity Per Inch
18 SECOND FLUID END CONNECTION
Material
STEEL CORROSION RESISTING OVERALL
Thread Series Designator
UNF SECOND FLUID END CONNECTION
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
SSH2-63Y-T6 W/0
5/9Secondary reference
U.S. Government activity
SSH2-63Y-T6
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 4730-01-512-9440?
NSN 4730-01-512-9440 is a Coupling Assembly,quick Disconne, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
What are the specifications of 4730-01-512-9440?
Key specifications for 4730-01-512-9440: Nominal Width Across Flats: 0.880 INCHES IN; Style Designator: COUPLING ASSEMBLY, THREADED INTERNAL; Overall Length: 1.690 INCHES NOMINAL IN; Operating Pressure: 2000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. 9 specifications are documented in the U.S. Government catalog.
Is NSN 4730-01-512-9440 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.