The Hose,air Duct, cataloged under National Stock Number 4720-01-524-7375, 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 Survivability Systems Llc. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 4 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-524-7375 |
| Primary Part Number | 6431112-01M1 |
| Item Name | Hose,air Duct |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Bae Systems Survivability Systems Llc |
| Status | ACTIVE |
| Material | RUBBER ALL PLIES |
| 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 |
|---|---|
| 6431112-01M1 | Amz Alabama Inc. (USA) |
| 6431112 | Amz Alabama Inc. (USA) |
| 6431112 | Bae Systems Survivability Systems Llc (USA) |
| 6431112-01M1 PRIMARY | Bae Systems Survivability Systems Llc (USA) |
| Reference | Meaning |
|---|---|
| 106600040 | 5/2 Secondary reference U.S. Government activity |
| 6431112-01M1 | C/1 Advisory reference — outside the item-of-supply concept Bae Systems Land & Armaments L.p. |
NSN 4720-01-524-7375 is a Hose,air Duct, manufactured by Bae Systems Survivability Systems Llc, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-524-7375 has 4 manufacturer part numbers on file: 6431112-01M1 (Amz Alabama Inc.), 6431112 (Amz Alabama Inc.), 6431112 (Bae Systems Survivability Systems Llc), 6431112-01M1 (Bae Systems Survivability Systems Llc).
Key specifications for 6431112-01M1: End Item Identification: 2320-01-491-3436; MULTIPLE LAUNCH ROCKET SYSTEM (MLRS); HIGH-MOBILITY ARTILLERY ROCKET SYSTEM (HIMARS); Material: RUBBER ALL PLIES. 1 specification is 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.