The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-01-172-2974, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 29 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 9 items share a part number with this NSN in the catalog (possible match — not a government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 | 4720-01-172-2974 |
| Item Name | Hose Assembly,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Status | ACTIVE |
| Flow Angle | 90.0 DEGREES SECOND END |
| Measuring Method and Length | 48.000 INCHES NOMINAL OVERALL IN |
| Temp Rating | -40.0 FAHRENHEIT AND 200.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Fitting Component and Surface Treatment | COMPLETE FITTING CADMIUM FIRST END |
| Minimum Inside Bending Radius | 4.000 INCHES IN |
| Connection Style | SWIVEL NUT FLARE SECOND END |
| Connection Style | SWIVEL NUT FLARE FIRST END |
| End Connection Design | ELBOW SECOND END |
| End Connection Design | STRAIGHT FIRST END |
| Layer Composition and Location | 1ST LAYER BRAIDED STEEL WIRE AND 2ND LAYER MOLDED RUBBER, SYNTHETIC AND 3RD LAYER BRAIDED STEEL WIRE AND OUTER LAYER MOLDED RUBBER, SYNTHETIC |
| Connection Type | THREADED INTERNAL TUBE SECOND END |
| Connection Type | THREADED INTERNAL TUBE FIRST END |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 0.590 INCHES NOMINAL IN |
| Operating Pressure | 5000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| Features Provided | REUSABLE END FITTINGS |
| End Fitting Component and Material | COMPLETE FITTING STEEL ALL ENDS |
| Thread Direction | RIGHT-HAND SECOND END |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Thread Size | 0.438 INCHES SECOND END IN |
| Nominal Thread Size | 0.438 INCHES FIRST END IN |
| Seat Angle | 37.0 DEGREES FIRST END |
| Seat Angle | 37.0 DEGREES SECOND END |
| Exterior Color | BLACK |
| Specification/standard Data | SAE J517,100R2,TYPE AT-81343 NATIONAL STD/SPEC |
| Inside Diameter | 0.250 INCHES NOMINAL IN |
| Inside Surface Condition | SMOOTH |
| Media for Which Designed | HYDRAULIC FLUID, SILICATE-ESTER BASE AND FUEL/OIL, HYDROCARBON SINGLE RESPONSE |
| Hydrostatic Test Pressure | 10000.0 POUNDS PER SQUARE INCH LBS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| F3010639-4-4-4-48.00 | 5/9 Secondary reference U.S. Government activity |
| F3010639-4-4-4-48.00 | 3/2 Design control — primary reference U.S. Government activity |
| 185-25-2302-345 | 5/9 Secondary reference Drs Sustainment Systems, Inc. |
| F3010639-4-4-4-23.00 | 5/9 Secondary reference U.S. Government activity |
| 185-25-2302 | D/9 Drawing number reference only Drs Sustainment Systems, Inc. |
NSN 4720-01-172-2974 is a Hose Assembly,nonmetallic, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
9 possible matches (shared part number, not a government interchangeability claim): 4720-01-176-4199, 4720-01-176-6738, 4720-01-176-6741. Verify interchangeability with system specifications before substitution.
Key specifications for 4720-01-172-2974: Flow Angle: 90.0 DEGREES SECOND END; Measuring Method and Length: 48.000 INCHES NOMINAL OVERALL IN; Temp Rating: -40.0 FAHRENHEIT AND 200.0 FAHRENHEIT SINGLE RESPONSE DEGF; Fitting Component and Surface Treatment: COMPLETE FITTING CADMIUM FIRST END. 29 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.