The Hose,air Duct, cataloged under National Stock Number 4720-01-322-5744, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Drs Environmental Systems Inc. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-322-5744 |
| Primary Part Number | 119K0322 |
| Item Name | Hose,air Duct |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Drs Environmental Systems Inc |
| Status | ACTIVE |
| Measuring Method and Length | 36.000 INCHES NOMINAL OVERALL IN |
| Connection Style | ROUND BOTH ENDS |
| Special Test Features | CONSISTS OF: DUCT, FLEXIBLE, P/N 500K0966 (QUANTITY 1); INSULATION, P/N 119K0351 (QUANTITY 1); TAPE, PACKAGING, WATERPROOF, 2" WIDTH, P/N PP-T-60 TYPE IV CLASS 1 (QUANTITY: AS REQUIRED) |
| Connection Type | PLAIN BOTH ENDS |
| Style Designator | SLEEVE SECTION |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 14.00 INCHES NOMINAL SECOND END IN |
| 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 |
|---|---|
| 119K0322 PRIMARY | Drs Environmental Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| 119K0322 | 5/9 Secondary reference U.S. Government activity |
NSN 4720-01-322-5744 is a Hose,air Duct, manufactured by Drs Environmental Systems Inc, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-322-5744 has 1 manufacturer part number on file: 119K0322 (Drs Environmental Systems Inc).
Key specifications for 119K0322: Measuring Method and Length: 36.000 INCHES NOMINAL OVERALL IN; Connection Style: ROUND BOTH ENDS; Special Test Features: CONSISTS OF: DUCT, FLEXIBLE, P/N 500K0966 (QUANTITY 1); INSULATION, P/N 119K0351 (QUANTITY 1); TAPE, PACKAGING, WATERPROOF, 2" WIDTH, P/N PP-T-60 TYPE IV CLASS 1 (QUANTITY: AS REQUIRED); Connection Type: PLAIN BOTH ENDS. 7 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.