FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings · FSG 47 — Pipe, Tubing, Hose, and Fittings
Government record, cited
Also searched as4730-01-679-4633 ·
4730016794633 ·
NIIN 016794633 ·
01-679-4633 ·
FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings
Nearby stock numbers← 4730-01-679-4599 Elbow, Tube to Boss
·
4730-01-679-4678 Adapter, Straight, Pipe to Tube →
4730-01-679-4633 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Features
Coupling Half,quick Disconnect — FSC 4730
Connection Type: THREADED INTERNAL HOSE SECOND FLUID END CONNECTION
Style Designator: MALE COUPLING HALF
Operating Pressure: 4000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Nominal Thread Size: 1.625 INCHES SECOND FLUID END CONNECTION IN
Maximum Operating Temp: 250.0 FAHRENHEIT SINGLE RESPONSE DEGF
Thread Quantity Per Inch: 12 SECOND FLUID END CONNECTION
Material: STEEL CORROSION RESISTING BODY
Identification
NSN: 4730-01-679-4633
NIIN: 016794633
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
FSG: 47 — Pipe, Tubing, Hose, and Fittings
General Description
The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-01-679-4633, 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 8 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
THREADED INTERNAL HOSE SECOND FLUID END CONNECTION
Style Designator
MALE COUPLING HALF
Operating Pressure
4000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Nominal Thread Size
1.625 INCHES SECOND FLUID END CONNECTION IN
Maximum Operating Temp
250.0 FAHRENHEIT SINGLE RESPONSE DEGF
Thread Quantity Per Inch
12 SECOND FLUID END CONNECTION
Material
STEEL CORROSION RESISTING BODY
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
S71 3N16-20EF
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 4730-01-679-4633?
NSN 4730-01-679-4633 is a Coupling Half,quick Disconnect, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
What are the specifications of 4730-01-679-4633?
Key specifications for 4730-01-679-4633: Connection Type: THREADED INTERNAL HOSE SECOND FLUID END CONNECTION; Style Designator: MALE COUPLING HALF; Operating Pressure: 4000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Nominal Thread Size: 1.625 INCHES SECOND FLUID END CONNECTION IN. 8 specifications are documented in the U.S. Government catalog.
Is NSN 4730-01-679-4633 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.