The Hose,preformed, cataloged under National Stock Number 4720-01-331-6243, 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 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4720-01-331-6243 |
| Primary Part Number | 21856 |
| Item Name | Hose,preformed |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Gates Corporation |
| Status | ACTIVE |
| Style Designator | TWO BEND |
| Inside Diameter | 1.750 INCHES NOMINAL IN |
| Material | RUBBER SYNTHETIC OVERALL |
| 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 |
|---|---|
| 21856 | Gates Corporation (USA) |
| Reference | Meaning |
|---|---|
| 4401174 | 3/9 Design control — primary reference Chrysler Realty Company Llc Dba Daimler Chrysler |
NSN 4720-01-331-6243 is a Hose,preformed, manufactured by Gates Corporation, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-331-6243 has 1 manufacturer part number on file: 21856 (Gates Corporation).
2 possible matches (shared part number, not a government interchangeability claim): 5365-01-485-9343, 5945-01-620-7018. Verify interchangeability with system specifications before substitution.
Key specifications for 21856: Style Designator: TWO BEND; Inside Diameter: 1.750 INCHES NOMINAL IN; End Item Identification: CHRYSLER 1989/90 DODGE TRUCKS WITH 3.9L ENGINE; Material: RUBBER SYNTHETIC OVERALL. 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.