The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-01-630-9818, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Department of Defense Project Manager-Mobile Electric Power. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-630-9818 |
| Primary Part Number | 04-21529-3 |
| Item Name | Hose Assembly,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Department of Defense Project Manager-Mobile Electric Power |
| Status | ACTIVE |
| Measuring Method and Length | 305.0 MILLIMETERS NOMINAL OVERALL MM |
| Temp Rating | 250.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Nominal Inside Diameter Hose Accommodated | 0.750 INCHES FIRST END IN |
| Connection Type | THREADED EXTERNAL HOSE FIRST END |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 1.090 INCHES NOMINAL IN |
| Operating Pressure | 125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| Nominal Thread Size | 0.750 INCHES FIRST END IN |
| Inside Diameter | 0.750 INCHES NOMINAL IN |
| Media for Which Designed | OIL SINGLE RESPONSE |
| Thread Quantity Per Inch | 14 FIRST END |
| Thread Series Designator | UNS FIRST END |
| 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 |
|---|---|
| 04-21529-3 PRIMARY | Department of Defense Project Manager-Mobile Electric Power (USA) |
| 256512-00120-473812-000000 | Power Systems Ahs Llc Dba Power Systems (USA) |
| A035N174 PRIMARY | Cummins Power Generation Inc. (USA) |
| Reference | Meaning |
|---|---|
| 04-21529 | 7/2 Vendor item drawing reference Department of Defense Project Manager-Mobile Electric Power |
NSN 4720-01-630-9818 is a Hose Assembly,nonmetallic, manufactured by Department of Defense Project Manager-Mobile Electric Power, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-630-9818 has 3 manufacturer part numbers on file: 04-21529-3 (Department of Defense Project Manager-Mobile Electric Power), 256512-00120-473812-000000 (Power Systems Ahs Llc Dba Power Systems), A035N174 (Cummins Power Generation Inc.).
1 possible match (shared part number, not a government interchangeability claim): 4720-01-656-2117. Verify interchangeability with system specifications before substitution.
Key specifications for 04-21529-3: Measuring Method and Length: 305.0 MILLIMETERS NOMINAL OVERALL MM; Temp Rating: 250.0 FAHRENHEIT SINGLE RESPONSE DEGF; Nominal Inside Diameter Hose Accommodated: 0.750 INCHES FIRST END IN; Connection Type: THREADED EXTERNAL HOSE FIRST END. 12 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.