The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-00-446-3146, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 19 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-00-446-3146 |
| Primary Part Number | 8380991 |
| Item Name | Hose Assembly,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Measuring Method and Length | 63.375 INCHES NOMINAL OVERALL IN |
| Temp Rating | -65.0 FAHRENHEIT AND 212.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Connection Style | GLADHAND SECOND END |
| Connection Style | INVERTED FLARE FIRST END |
| End Connection Design | STRAIGHT FIRST END |
| Layer Composition and Location | OUTER LAYER MOLDED RUBBER, CHLOROPRENE |
| Connection Type | THREADED EXTERNAL PIPE FIRST END |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 0.750 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Thread Size | 0.500 INCHES FIRST END IN |
| Seat Angle | 30.0 DEGREES FIRST END |
| Inside Diameter | 0.375 INCHES NOMINAL IN |
| Inside Surface Condition | SMOOTH |
| Hydrostatic Test Pressure | 450.0 POUNDS PER SQUARE INCH LBS |
| Burst Test Pressure | 900.0 POUNDS PER SQUARE INCH LBS |
| Thread Quantity Per Inch | 14 FIRST END |
| Outer Covering Environmental Protection | ABRASION RESISTANT AND MILDEW RESISTANT AND OZONE RESISTANT AND ACID RESISTANT AND FUEL RESISTANT |
| 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 |
|---|---|
| 8380991 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 13211E3783-27 | 5/2 Secondary reference U.S. Government activity |
| N13213E | 5/9 Secondary reference Haldex Brake Products Corporation |
NSN 4720-00-446-3146 is a Hose Assembly,nonmetallic, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-00-446-3146 has 1 manufacturer part number on file: 8380991 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 8380991: Measuring Method and Length: 63.375 INCHES NOMINAL OVERALL IN; Temp Rating: -65.0 FAHRENHEIT AND 212.0 FAHRENHEIT SINGLE RESPONSE DEGF; Connection Style: GLADHAND SECOND END; Connection Style: INVERTED FLARE FIRST END. 19 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.