The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-01-377-9553, 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 17 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-377-9553 |
| Primary Part Number | 6510029-1 |
| Item Name | Hose Assembly,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Measuring Method and Length | 20.000 INCHES NOMINAL OVERALL IN |
| Temp Rating | -40.0 FAHRENHEIT AND 212.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Minimum Inside Bending Radius | 3.000 INCHES IN |
| Connection Style | STRAIGHT FIRST END |
| Nominal Inside Diameter Hose Accommodated | 0.375 INCHES FIRST END IN |
| Layer Composition and Location | 1ST LAYER BRAIDED TEXTILE YARN AND OUTER LAYER MOLDED RUBBER, SYNTHETIC |
| Connection Type | UNTHREADED EXTERNAL HOSE FIRST END |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 0.630 INCHES NOMINAL IN |
| Operating Pressure | 250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| End Fitting Component and Material | COMPLETE FITTING COPPER ALLOY ALL ENDS |
| Exterior Color | BLUE |
| Inside Diameter | 0.375 INCHES NOMINAL IN |
| Inside Surface Condition | SMOOTH |
| Media for Which Designed | FUEL/OIL, HYDROCARBON SINGLE RESPONSE |
| Hydrostatic Test Pressure | 500.0 POUNDS PER SQUARE INCH LBS |
| Burst Test Pressure | 1000.0 POUNDS PER SQUARE INCH LBS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 6510029-1 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 6510029-2 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
| K801MWH3434-6-6-6B-20.00 | 3/2 Design control — primary reference U.S. Government activity |
| 801MWH3434-6-6-6B-20.00 | 5/9 Secondary reference U.S. Government activity |
| 801MWH3434-6-6-6B-20.00 | 3/9 Design control — primary reference U.S. Government activity |
| 6510029 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 4720-01-377-9553 is a Hose Assembly,nonmetallic, manufactured by Naval Sea Systems Command, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-377-9553 has 1 manufacturer part number on file: 6510029-1 (Naval Sea Systems Command).
Key specifications for 6510029-1: Measuring Method and Length: 20.000 INCHES NOMINAL OVERALL IN; Temp Rating: -40.0 FAHRENHEIT AND 212.0 FAHRENHEIT SINGLE RESPONSE DEGF; Minimum Inside Bending Radius: 3.000 INCHES IN; Connection Style: STRAIGHT FIRST END. 17 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.