The Reducer,hose, cataloged under National Stock Number 4730-01-587-7670, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Griffith Rubber Mills Inc Dba Bauman Harnish Rubber Co. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-587-7670 |
| Primary Part Number | HHR555 |
| Item Name | Reducer,hose |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Griffith Rubber Mills Inc Dba Bauman Harnish Rubber Co |
| Status | ACTIVE |
| Mounting End Type | FLAT |
| Connection Style | PLAIN (HOSE) ALL ENDS |
| Nominal Overall Length | 6.000 INCHES IN |
| Connection Type | GROOVED COUPLING ALL ENDS |
| Style Designator | PLAIN |
| Leg Length | 7.000 INCHES NOMINAL ALL ENDS IN |
| Material | RUBBER 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 |
|---|---|
| HHR555 PRIMARY | Griffith Rubber Mills Inc Dba Bauman Harnish Rubber Co (USA) |
| 55H5 | Burke Industries Purosil Div (USA) |
| 55R50 | Buckhorn Rubber Products Inc. (USA) |
| Reference | Meaning |
|---|---|
| 12538754 | 7/2 Vendor item drawing reference U S Army Tank Automotive Command Amsta-Im-Mm |
NSN 4730-01-587-7670 is a Reducer,hose, manufactured by Griffith Rubber Mills Inc Dba Bauman Harnish Rubber Co, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-587-7670 has 3 manufacturer part numbers on file: HHR555 (Griffith Rubber Mills Inc Dba Bauman Harnish Rubber Co), 55H5 (Burke Industries Purosil Div), 55R50 (Buckhorn Rubber Products Inc.).
Key specifications for HHR555: Mounting End Type: FLAT; Connection Style: PLAIN (HOSE) ALL ENDS; Nominal Overall Length: 6.000 INCHES IN; Connection Type: GROOVED COUPLING ALL ENDS. 7 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.