The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-01-050-9159, 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 8 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-050-9159 |
| Primary Part Number | SDRW-A-H-120 |
| Item Name | Hose Assembly,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Measuring Method and Length | 180.000 INCHES NOMINAL EXCLUDING END FITTINGS IN |
| End Connection Design | STRAIGHT FIRST END |
| Layer Composition and Location | 1ST LAYER BRAIDED POLYAMIDE CORD AND 2ND LAYER BRAIDED POLYAMIDE CORD AND 3RD LAYER BRAIDED CORROSION RESISTANT STEEL WIRE AND 4TH LAYER BRAIDED POLYAMIDE CORD AND OUTER LAYER MOLDED RUBBER, SYNTHETIC |
| Connection Type | THREADED INTERNAL TUBE FIRST END |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 2.750 INCHES NOMINAL IN |
| Operating Pressure | 60.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| Inside Surface Condition | SMOOTH |
| 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 |
|---|---|
| SDRW-A-H-120 | Hydrasearch Company, Llc (USA) |
| SDRW-A-H-120 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 529-7325751 | D/9 Drawing number reference only Naval Sea Systems Command |
| 4S1670 | 5/9 Secondary reference Bfgoodrich Co the Aerospace Div Engineered Polymer Products |
| 4S1670-4 | 5/9 Secondary reference Bfgoodrich Co the Aerospace Div Engineered Polymer Products |
| 4S1670-4 | 5/9 Secondary reference Murdock Industrial, Inc. |
| 529-7325751 ASS | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
| 412-4606446AH120 | 5/9 Secondary reference U.S. Government activity |
NSN 4720-01-050-9159 is a Hose Assembly,nonmetallic, manufactured by Naval Sea Systems Command, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-050-9159 has 2 manufacturer part numbers on file: SDRW-A-H-120 (Hydrasearch Company, Llc), SDRW-A-H-120 (Naval Sea Systems Command).
2 possible matches (shared part number, not a government interchangeability claim): 4720-01-052-6930, 4720-01-053-5121. Verify interchangeability with system specifications before substitution.
Key specifications for SDRW-A-H-120: Measuring Method and Length: 180.000 INCHES NOMINAL EXCLUDING END FITTINGS IN; End Connection Design: STRAIGHT FIRST END; Layer Composition and Location: 1ST LAYER BRAIDED POLYAMIDE CORD AND 2ND LAYER BRAIDED POLYAMIDE CORD AND 3RD LAYER BRAIDED CORROSION RESISTANT STEEL WIRE AND 4TH LAYER BRAIDED POLYAMIDE CORD AND OUTER LAYER MOLDED RUBBER, SYNTHETIC; Connection Type: THREADED INTERNAL TUBE FIRST END. 8 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.