The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-00-001-3491, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Dressta North America Ltd. Government technical data includes 27 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 4720-00-001-3491 |
| Primary Part Number | 68970 |
| Item Name | Hose Assembly,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Dressta North America Ltd |
| Status | ACTIVE |
| Measuring Method and Length | 22.000 INCHES NOMINAL OVERALL IN |
| Temp Rating | -40.0 FAHRENHEIT AND 200.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Minimum Inside Bending Radius | 2.500 INCHES IN |
| Connection Style | FLARED SECOND END |
| Connection Style | SWIVEL NUT FLARE FIRST END |
| Layer Composition and Location | OUTER LAYER MOLDED RUBBER, CHLOROPRENE AND 1ST LAYER BRAIDED RAYON CORD |
| Connection Type | THREADED EXTERNAL TUBE SECOND END |
| Connection Type | THREADED INTERNAL TUBE FIRST END |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 0.500 INCHES NOMINAL IN |
| Operating Pressure | 250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| Thread Direction | RIGHT-HAND SECOND END |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Thread Size | 0.500 INCHES SECOND END IN |
| Nominal Thread Size | 0.500 INCHES FIRST END IN |
| Seat Angle | 37.0 DEGREES SECOND END |
| Seat Angle | 45.0 DEGREES FIRST END |
| Exterior Color | BLACK |
| Inside Diameter | 0.250 INCHES NOMINAL IN |
| Inside Surface Condition | SMOOTH |
| Media for Which Designed | FUEL/OIL, HYDROCARBON SINGLE RESPONSE |
| Hydrostatic Test Pressure | 500.0 POUNDS PER SQUARE INCH LBS |
| Thread Class | 1A SECOND END A |
| Thread Class | 2B FIRST END |
| Burst Test Pressure | 1000.0 POUNDS PER SQUARE INCH LBS |
| Thread Series Designator | UNF FIRST END |
| Thread Series Designator | UNF SECOND END |
| 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 |
|---|---|
| 68970 PRIMARY | Dressta North America Ltd (USA) |
| Reference | Meaning |
|---|---|
| 68970 | 5/9 Secondary reference Komatsu America Corporation |
| H68970 | 5/9 Secondary reference Komatsu America Corporation |
NSN 4720-00-001-3491 is a Hose Assembly,nonmetallic, manufactured by Dressta North America Ltd, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-00-001-3491 has 1 manufacturer part number on file: 68970 (Dressta North America Ltd).
3 possible matches (shared part number, not a government interchangeability claim): 5999-01-044-1141, 6840-01-491-4889, 6220-01-613-3659. Verify interchangeability with system specifications before substitution.
Key specifications for 68970: Measuring Method and Length: 22.000 INCHES NOMINAL OVERALL IN; Temp Rating: -40.0 FAHRENHEIT AND 200.0 FAHRENHEIT SINGLE RESPONSE DEGF; Minimum Inside Bending Radius: 2.500 INCHES IN; Connection Style: FLARED SECOND END. 27 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.