The Hose,air Breathing, cataloged under National Stock Number 4720-01-722-1639, 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 3 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-722-1639 |
| Primary Part Number | 210-8107 |
| Item Name | Hose,air Breathing |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| Temp Rating | -55.0 CELSIUS AND 260.0 CELSIUS DEGC |
| Inside Diameter | 50.0 MILLIMETERS NOMINAL BOTH ENDS MM |
| Material | RUBBER SYNTHETIC ALL PLIES |
| 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 |
|---|---|
| 210-8107 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
NSN 4720-01-722-1639 is a Hose,air Breathing, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-722-1639 has 1 manufacturer part number on file: 210-8107 (Caterpillar Inc Div Caterpillar Defense).
Key specifications for 210-8107: Temp Rating: -55.0 CELSIUS AND 260.0 CELSIUS DEGC; Inside Diameter: 50.0 MILLIMETERS NOMINAL BOTH ENDS MM; Part Name Assigned by Controlling Agency: HOSE; Material: RUBBER SYNTHETIC ALL PLIES. 3 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.