The Hose,preformed, cataloged under National Stock Number 4720-01-185-9670, 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 8 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 4720-01-185-9670 |
| Primary Part Number | 21288 |
| Item Name | Hose,preformed |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Gates Corporation |
| Status | ACTIVE |
| Outer Radius | 6.000 INCHES NOMINAL IN |
| Style Designator | TWO BEND |
| Wall Thickness | 0.062 INCHES NOMINAL IN |
| Inside Diameter | 2.500 INCHES NOMINAL IN |
| Bend Radius | 2.000 INCHES NOMINAL IN |
| Second Arm Length | 4.000 INCHES NOMINAL IN |
| Working Length | 18.000 INCHES NOMINAL IN |
| First Arm Length | 4.000 INCHES NOMINAL IN |
| 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 |
|---|---|
| 21288 PRIMARY | Gates Corporation (USA) |
| Reference | Meaning |
|---|---|
| 61126 | 5/9 Secondary reference Contitech Usa, Inc. |
| 484077C91 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4720-01-185-9670 is a Hose,preformed, manufactured by Gates Corporation, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-185-9670 has 1 manufacturer part number on file: 21288 (Gates Corporation).
3 possible matches (shared part number, not a government interchangeability claim): 3740-01-240-6170, 5120-01-335-2170, 5985-01-522-5168. Verify interchangeability with system specifications before substitution.
Key specifications for 21288: Outer Radius: 6.000 INCHES NOMINAL IN; Style Designator: TWO BEND; Wall Thickness: 0.062 INCHES NOMINAL IN; Inside Diameter: 2.500 INCHES NOMINAL IN. 8 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.