The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-00-971-1863, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 25 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-00-971-1863 |
| Primary Part Number | 2S174 |
| Item Name | Hose Assembly,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| Flow Angle | 45.0 DEGREES SECOND END |
| Measuring Method and Length | 17.750 INCHES NOMINAL WORKING IN |
| Fitting Component and Surface Treatment | COMPLETE FITTING NICKEL FIRST END |
| Flange Thickness | 0.320 INCHES NOMINAL FIRST END IN |
| Flange Thickness | 0.320 INCHES NOMINAL SECOND END IN |
| Connection Style | PLAIN W/ GASKET GROOVE (SAE FLANGED HEAD) SECOND END |
| Connection Style | PLAIN W/ GASKET GROOVE (SAE FLANGED HEAD) FIRST END |
| Flange Outside Diameter | 1.750 INCHES NOMINAL SECOND END IN |
| Flange Outside Diameter | 1.750 INCHES NOMINAL FIRST END IN |
| End Connection Design | ELBOW SECOND END |
| End Connection Design | STRAIGHT FIRST END |
| Layer Composition and Location | OUTER LAYER MOLDED RUBBER, SYNTHETIC |
| Connection Type | PLAIN FACE FLANGE FIRST END |
| Connection Type | PLAIN FACE FLANGE SECOND END |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 1.115 INCHES NOMINAL IN |
| End Fitting Component and Material | COMPLETE FITTING STEEL ALL ENDS |
| Inside Diameter | 0.750 INCHES NOMINAL IN |
| Inside Surface Condition | SMOOTH |
| Media for Which Designed | FUEL/OIL, HYDROCARBON SINGLE RESPONSE |
| Outer Covering Environmental Protection | OIL RESISTANT |
| Flange Style | ROUND W/ OUT BOLT HOLES FIRST END |
| Flange Style | ROUND W/ OUT BOLT HOLES SECOND END |
| End Flange Construction | SOLID SECOND END |
| End Flange Construction | SOLID FIRST END |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 4720-00-971-1863 is a Hose Assembly,nonmetallic, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-00-971-1863 has 2 manufacturer part numbers on file: 2S174 (Caterpillar Inc Div Caterpillar Defense), 2S0174 (Caterpillar Inc Div Caterpillar Defense).
Key specifications for 2S174: Flow Angle: 45.0 DEGREES SECOND END; Measuring Method and Length: 17.750 INCHES NOMINAL WORKING IN; Fitting Component and Surface Treatment: COMPLETE FITTING NICKEL FIRST END; Flange Thickness: 0.320 INCHES NOMINAL FIRST END IN. 25 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.