The Reducer,hose, cataloged under National Stock Number 4730-01-676-4655, 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 Oshkosh Defense Llc. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-676-4655 |
| Primary Part Number | 12605508 |
| Item Name | Reducer,hose |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Oshkosh Defense Llc |
| Status | ACTIVE |
| Connection Style | BARBED OR BEADED (HOSE) ALL ENDS |
| Nominal Outside Diameter Hose Accommodated | 0.3125 INCHES FIRST END IN |
| Nominal Outside Diameter Hose Accommodated | 0.375 INCHES SECOND END IN |
| Nominal Overall Length | 2.28 INCHES IN |
| Connection Type | UNTHREADED EXTERNAL HOSE ALL ENDS |
| Style Designator | INSERT COUPLING |
| Operating Pressure | 100.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Specification/standard Data | 81343-SAE J2552 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Material | COPPER ALLOY 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 |
|---|---|
| 12605508 PRIMARY | Oshkosh Defense Llc (USA) |
| Reference | Meaning |
|---|---|
| 12605508 | C/1 Advisory reference — outside the item-of-supply concept U S Army Tank Automotive Command Amsta-Im-Mm |
NSN 4730-01-676-4655 is a Reducer,hose, manufactured by Oshkosh Defense Llc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-676-4655 has 1 manufacturer part number on file: 12605508 (Oshkosh Defense Llc).
Key specifications for 12605508: Connection Style: BARBED OR BEADED (HOSE) ALL ENDS; Nominal Outside Diameter Hose Accommodated: 0.3125 INCHES FIRST END IN; Nominal Outside Diameter Hose Accommodated: 0.375 INCHES SECOND END IN; Nominal Overall Length: 2.28 INCHES IN. 9 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.