The Hose Assembly,air Duct, cataloged under National Stock Number 4720-01-431-1332, 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 Land & Armaments L.p.. Government technical data includes 16 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4720-01-431-1332 |
| Primary Part Number | 12448151-2 |
| Item Name | Hose Assembly,air Duct |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Bae Systems Land & Armaments L.p. |
| Status | ACTIVE |
| Measuring Method and Length | 49.438 INCHES NOMINAL OVERALL IN |
| Connection Style | ROUND SECOND END |
| Style Designator | HELICALLY WOUND CONTINOUS WIRE SUPPORTED |
| Cross-Sectional Shape Style | ROUND |
| Wall Thickness | 0.250 INCHES NOMINAL IN |
| Inside Diameter | 0.880 INCHES NOMINAL FIRST END IN |
| End Overall Length | 1.250 INCHES NOMINAL SECOND END IN |
| End Overall Length | 1.250 INCHES NOMINAL BOTH ENDS IN |
| End Inside Diameter | 0.880 INCHES NOMINAL BOTH ENDS IN |
| End Inside Diameter | 0.880 INCHES NOMINAL SECOND END IN |
| Material | STEEL REINFORCING WIRE |
| Material | RUBBER FIRST PLY |
| Material | RUBBER COVER |
| Material | COTTON SECOND PLY |
| Material | COTTON FOURTH PLY |
| Material | RUBBER THIRD PLY |
| 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 |
|---|---|
| 12448151-2 | Amz Alabama Inc. (USA) |
| 12448151-2 PRIMARY | Bae Systems Land & Armaments L.p. (USA) |
| Reference | Meaning |
|---|---|
| 12448151-2 | 5/2 Secondary reference U.S. Government activity |
| 12448151 | D/9 Drawing number reference only Bae Systems Land & Armaments L.p. |
NSN 4720-01-431-1332 is a Hose Assembly,air Duct, manufactured by Bae Systems Land & Armaments L.p., classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-431-1332 has 2 manufacturer part numbers on file: 12448151-2 (Amz Alabama Inc.), 12448151-2 (Bae Systems Land & Armaments L.p.).
2 possible matches (shared part number, not a government interchangeability claim): 4720-01-447-1530, 4720-01-447-1766. Verify interchangeability with system specifications before substitution.
Key specifications for 12448151-2: Measuring Method and Length: 49.438 INCHES NOMINAL OVERALL IN; Connection Style: ROUND SECOND END; Style Designator: HELICALLY WOUND CONTINOUS WIRE SUPPORTED; Cross-Sectional Shape Style: ROUND. 16 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.