The Hose,nonmetallic, cataloged under National Stock Number 4720-01-320-1756, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Gates Corporation. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4720-01-320-1756 |
| Primary Part Number | 302701 |
| Item Name | Hose,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Gates Corporation |
| Status | ACTIVE |
| Temp Rating | -20.0 FAHRENHEIT AND 150.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Minimum Inside Bending Radius | 3.000 INCHES IN |
| Layer Composition and Location | 1ST LAYER BRAIDED TEXTILE YARN AND OUTER LAYER MOLDED RUBBER, CHLOROPRENE |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 0.700 INCHES NOMINAL IN |
| Operating Pressure | 50.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Inside Diameter | 0.312 INCHES NOMINAL IN |
| Inside Surface Condition | SMOOTH |
| Hydrostatic Test Pressure | 100.0 POUNDS PER SQUARE INCH SINGLE RESPONSE LBS |
| Burst Test Pressure | 200.0 POUNDS PER SQUARE INCH SINGLE RESPONSE LBS |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR 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 |
|---|---|
| 4219-3003 | Gates Corporation (USA) |
| 302701 PRIMARY | Gates Corporation (USA) |
| 340-0610-25-0 | Hale Products, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 340-0610-XX-0 | D/9 Drawing number reference only Hale Products, Inc. |
NSN 4720-01-320-1756 is a Hose,nonmetallic, manufactured by Gates Corporation, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-320-1756 has 3 manufacturer part numbers on file: 4219-3003 (Gates Corporation), 302701 (Gates Corporation), 340-0610-25-0 (Hale Products, Inc.).
2 possible matches (shared part number, not a government interchangeability claim): 5340-01-321-0520, 5340-01-615-9985. Verify interchangeability with system specifications before substitution.
Key specifications for 302701: Temp Rating: -20.0 FAHRENHEIT AND 150.0 FAHRENHEIT SINGLE RESPONSE DEGF; Minimum Inside Bending Radius: 3.000 INCHES IN; Layer Composition and Location: 1ST LAYER BRAIDED TEXTILE YARN AND OUTER LAYER MOLDED RUBBER, CHLOROPRENE; Cross-Sectional Shape Style: ROUND. 11 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.