The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-01-421-1638, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc. Government technical data includes 24 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-421-1638 |
| Primary Part Number | 12420736 |
| Item Name | Hose Assembly,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc |
| Status | ACTIVE |
| Measuring Method and Length | 236.000 INCHES NOMINAL OVERALL IN |
| Temp Rating | -50.0 FAHRENHEIT AND 200.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Minimum Inside Bending Radius | 3.500 INCHES IN |
| Connection Style | PLAIN FIRST END |
| Connection Style | PLAIN SECOND END |
| End Connection Design | STRAIGHT FIRST END |
| End Connection Design | STRAIGHT SECOND END |
| Layer Composition and Location | 1ST LAYER COTTON AND OUTER LAYER MOLDED RUBBER, SYNTHETIC |
| Connection Type | THREADED EXTERNAL PIPE SECOND END |
| Connection Type | THREADED EXTERNAL PIPE FIRST END |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 0.750 INCHES NOMINAL IN |
| Operating Pressure | 225.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| Thread Direction | RIGHT-HAND SECOND END |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Thread Size | 0.375 INCHES SECOND END IN |
| Nominal Thread Size | 0.500 INCHES FIRST END IN |
| Inside Diameter | 0.375 INCHES NOMINAL IN |
| Inside Surface Condition | SMOOTH |
| Media for Which Designed | AIR SINGLE RESPONSE |
| Burst Test Pressure | 900.0 POUNDS PER SQUARE INCH LBS |
| Outer Covering Environmental Protection | OZONE RESISTANT AND ABRASION RESISTANT AND HEAT RESISTANT |
| Thread Series Designator | NPTF SECOND END |
| Thread Series Designator | NPTF 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 |
|---|---|
| 12420736 PRIMARY | Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc (USA) |
| 12420736 PRIMARY | D. W. Industries, Inc. Dba Dw Ind (USA) |
| 12420736 | Amz Alabama Inc. (USA) |
| Reference | Meaning |
|---|---|
| 12420736 | 7/2 Vendor item drawing reference U S Army Tank Automotive Command Amsta-Im-Mm |
NSN 4720-01-421-1638 is a Hose Assembly,nonmetallic, manufactured by Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-421-1638 has 3 manufacturer part numbers on file: 12420736 (Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc), 12420736 (D. W. Industries, Inc. Dba Dw Ind), 12420736 (Amz Alabama Inc.).
Key specifications for 12420736: Measuring Method and Length: 236.000 INCHES NOMINAL OVERALL IN; Temp Rating: -50.0 FAHRENHEIT AND 200.0 FAHRENHEIT SINGLE RESPONSE DEGF; Minimum Inside Bending Radius: 3.500 INCHES IN; Connection Style: PLAIN FIRST END. 24 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.