The Hose,nonmetallic, cataloged under National Stock Number 4720-01-031-6503, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Contitech Usa, Inc Dba Veyance Technologies. Government technical data includes 8 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-031-6503 |
| Primary Part Number | ACALA/RED1-2ID |
| Item Name | Hose,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Contitech Usa, Inc Dba Veyance Technologies |
| Status | ACTIVE |
| Layer Composition and Location | 1ST LAYER BRAIDED RAYON CORD AND OUTER LAYER MOLDED RUBBER, CHLOROPRENE |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 0.781 INCHES NOMINAL IN |
| Operating Pressure | 250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Inside Diameter | 0.500 INCHES NOMINAL IN |
| Inside Surface Condition | SMOOTH |
| Outer Covering Environmental Protection | ABRASION RESISTANT AND HEAT RESISTANT AND OIL RESISTANT AND WEATHERPROOF |
| Material | RUBBER CHLOROPRENE CLASS CR TUBE |
| 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 |
|---|---|
| ACALA/RED1-2ID | Contitech Usa, Inc Dba Veyance Technologies (USA) |
| Reference | Meaning |
|---|---|
| ACALA/RED1-2ID | 5/9 Secondary reference Goodyear Tire and Rubber Co the |
| 7212-501RD | 5/2 Secondary reference U.S. Government activity |
| TRB-300RD | 3/2 Design control — primary reference U.S. Government activity |
| HIGHFLEX 1-2IN-ID | 5/9 Secondary reference Bfgoodrich Co the Aerospace Div Engineered Polymer Products |
NSN 4720-01-031-6503 is a Hose,nonmetallic, manufactured by Contitech Usa, Inc Dba Veyance Technologies, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-031-6503 has 1 manufacturer part number on file: ACALA/RED1-2ID (Contitech Usa, Inc Dba Veyance Technologies).
Key specifications for ACALA/RED1-2ID: Layer Composition and Location: 1ST LAYER BRAIDED RAYON CORD AND OUTER LAYER MOLDED RUBBER, CHLOROPRENE; Cross-Sectional Shape Style: ROUND; Outside Diameter: 0.781 INCHES NOMINAL IN; Operating Pressure: 250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. 8 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.