The Hose,air Duct, cataloged under National Stock Number 4720-01-407-0997, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Cepeda Associates, Inc. Dba Cepeda Associates Inc. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4720-01-407-0997 |
| Primary Part Number | 1052-D104-H-3 |
| Item Name | Hose,air Duct |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Cepeda Associates, Inc. Dba Cepeda Associates Inc |
| Status | ACTIVE |
| Measuring Method and Length | 8.000 INCHES NOMINAL OVERALL IN |
| Temp Rating | -20.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF |
| Connection Type | PLAIN BOTH ENDS |
| Style Designator | HELICALLY WOUND CONTINOUS WIRE SUPPORTED |
| Cross-Sectional Shape Style | ROUND |
| Features Provided | SCUFF STRIP |
| Inside Diameter | 4.000 INCHES NOMINAL FIRST END IN |
| Material | PLASTIC POLYVINYL AND PLASTIC POLYAMIDE NYLON COVER |
| Material | PLASTIC POLYVINYL AND PLASTIC POLYAMIDE NYLON LINER |
| Material | STEEL AND PLASTIC POLYVINYL REINFORCING WIRE |
| 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 |
|---|---|
| 1052-D104-H-3 PRIMARY | Cepeda Associates, Inc. Dba Cepeda Associates Inc (USA) |
| Reference | Meaning |
|---|---|
| 1052-D104 | D/9 Drawing number reference only Cepeda Associates, Inc. Dba Cepeda Associates Inc |
NSN 4720-01-407-0997 is a Hose,air Duct, manufactured by Cepeda Associates, Inc. Dba Cepeda Associates Inc, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-407-0997 has 1 manufacturer part number on file: 1052-D104-H-3 (Cepeda Associates, Inc. Dba Cepeda Associates Inc).
2 possible matches (shared part number, not a government interchangeability claim): 4720-01-407-1000, 4720-01-407-2990. Verify interchangeability with system specifications before substitution.
Key specifications for 1052-D104-H-3: Measuring Method and Length: 8.000 INCHES NOMINAL OVERALL IN; Temp Rating: -20.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF; Connection Type: PLAIN BOTH ENDS; Style Designator: HELICALLY WOUND CONTINOUS WIRE SUPPORTED. 10 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.