The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-01-543-2880, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 21 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-543-2880 |
| Primary Part Number | 521-7385128 PART F130 F131 F132 |
| Item Name | Hose Assembly,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Measuring Method and Length | 24.600 INCHES NOMINAL OVERALL IN |
| Temp Rating | -40.0 FAHRENHEIT AND 200.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Minimum Inside Bending Radius | 4.620 INCHES IN |
| Connection Style | EXTERNAL SEAT FOR GASKET SEAL (BOSS) FIRST END |
| End Connection Design | STRAIGHT FIRST END |
| Criticality Code Justification | FEAT |
| Layer Composition and Location | OUTER LAYER MOLDED RUBBER, SYNTHETIC AND 1ST LAYER BRAIDED POLYESTER CORD AND 2ND LAYER BRAIDED POLYESTER CORD |
| Connection Type | THREADED EXTERNAL BOSS FIRST END |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 0.770 INCHES NOMINAL IN |
| Operating Pressure | 625.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Thread Size | 1.188 INCHES FIRST END IN |
| Inside Diameter | 0.410 INCHES NOMINAL IN |
| Inside Surface Condition | SMOOTH |
| Media for Which Designed | AIR AND FUEL/OIL, HYDROCARBON AND WATER SINGLE RESPONSE |
| Hydrostatic Test Pressure | 1250.0 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A FIRST END A |
| Burst Test Pressure | 2500.0 POUNDS PER SQUARE INCH LBS |
| Thread Quantity Per Inch | 12 FIRST END |
| Thread Series Designator | UN FIRST END |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 521-7385128 PART F130 F131 F132 PRIMARY | Naval Sea Systems Command (USA) |
| 521-7385128 PART F138 F139 F140 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| G917-3350 ITEM G2010 G2011 G2012 | 5/1 Secondary reference Naval Sea Systems Command |
| 500-7549665 ITEM G2007 TO G2012 | 5/1 Secondary reference Naval Sea Systems Command |
| G651-3911 PART F130 F131 F132 | 5/2 Secondary reference U.S. Government activity |
| 2633-225-01 ASSY 257 | 5/1 Secondary reference U.S. Government activity |
| G917-3350 ITEM G2007 G2008 G2009 | 5/1 Secondary reference U.S. Government activity |
| G651-3911 PART F138 F139 F140 | 5/2 Secondary reference U.S. Government activity |
| 801-6640963 ASSY 257 | 5/1 Secondary reference Naval Sea Systems Command |
NSN 4720-01-543-2880 is a Hose Assembly,nonmetallic, manufactured by Naval Sea Systems Command, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-543-2880 has 2 manufacturer part numbers on file: 521-7385128 PART F130 F131 F132 (Naval Sea Systems Command), 521-7385128 PART F138 F139 F140 (Naval Sea Systems Command).
Key specifications for 521-7385128 PART F130 F131 F132: Measuring Method and Length: 24.600 INCHES NOMINAL OVERALL IN; Temp Rating: -40.0 FAHRENHEIT AND 200.0 FAHRENHEIT SINGLE RESPONSE DEGF; Minimum Inside Bending Radius: 4.620 INCHES IN; Connection Style: EXTERNAL SEAT FOR GASKET SEAL (BOSS) FIRST END. 21 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
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.