The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-01-139-1675, is classified within Federal Supply Class 4720 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Electric Boat Corporation Div General Dynamics Electric Boat. Government technical data includes 23 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-139-1675 |
| Primary Part Number | 4677473-00B3 |
| Item Name | Hose Assembly,nonmetallic |
| FSC / FSG | 4720 / 47 — No Item Name Available |
| Manufacturer | Electric Boat Corporation Div General Dynamics Electric Boat |
| Status | ACTIVE |
| End Connection Design | STRAIGHT FIRST END |
| Layer Composition and Location | 1ST LAYER BRAIDED SYNTHETIC CORD AND OUTER LAYER MOLDED RUBBER, SYNTHETIC |
| Thread Series Designator | NPSH SECOND END |
| Hydrostatic Test Pressure | 300.0 POUNDS PER SQUARE INCH LBS |
| Inside Diameter | 0.500 INCHES NOMINAL IN |
| Operating Pressure | 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| End Connection Design | STRAIGHT SECOND END |
| Nominal Thread Size | 0.500 INCHES FIRST END IN |
| Outside Diameter | 0.610 INCHES NOMINAL IN |
| Connection Type | THREADED EXTERNAL TUBE SECOND END |
| Thread Direction | RIGHT-HAND SECOND END |
| Nominal Thread Size | 0.500 INCHES SECOND END IN |
| Connection Style | SWIVEL, EXTERNAL SEAT FOR GASKET SEAL SECOND END |
| Inside Surface Condition | SMOOTH |
| Measuring Method and Length | 25.000 FEET NOMINAL OVERALL FT |
| Burst Test Pressure | 600.0 POUNDS PER SQUARE INCH LBS |
| Connection Type | THREADED INTERNAL TUBE FIRST END |
| Thread Series Designator | NPSH FIRST END |
| Seat Angle | 12.0 DEGREES FIRST END |
| Media for Which Designed | WATER SINGLE RESPONSE |
| Connection Style | SWIVEL NUT, FLARELESS FIRST END |
| Thread Direction | RIGHT-HAND FIRST END |
| Cross-Sectional Shape Style | ROUND |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 4677473-00B3 PRIMARY | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
| 608-4685638 | Naval Ship Systems Command (USA) |
| 608-4685638 ITEM 43 PRIMARY | Naval Ship Systems Command (USA) |
NSN 4720-01-139-1675 is a Hose Assembly,nonmetallic, manufactured by Electric Boat Corporation Div General Dynamics Electric Boat, classified under FSC 4720 (No Item Name Available). Status: active.
NSN 4720-01-139-1675 has 3 cross-referenced part numbers: 4677473-00B3 (Electric Boat Corporation Div General Dynamics Electric Boat), 608-4685638 (Naval Ship Systems Command), 608-4685638 ITEM 43 (Naval Ship Systems Command).
There are 12 known substitutes for 4720-01-139-1675: 4720-01-091-1377, 4720-01-091-2822, 4720-01-139-1668 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 4677473-00B3: End Connection Design: STRAIGHT FIRST END; Layer Composition and Location: 1ST LAYER BRAIDED SYNTHETIC CORD AND OUTER LAYER MOLDED RUBBER, SYNTHETIC; Thread Series Designator: NPSH SECOND END; Hydrostatic Test Pressure: 300.0 POUNDS PER SQUARE INCH LBS. 23 total characteristics are documented in the Federal Logistics Information System.