The Reducer,pipe, cataloged under National Stock Number 4730-00-476-5384, 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 Komatsu America Corp.. Government technical data includes 12 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-476-5384 |
| Primary Part Number | 310536R1 |
| Item Name | Reducer,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Komatsu America Corp. |
| Status | ACTIVE |
| Nominal Pipe Size Accommodated | 0.406 INCHES FIRST END IN |
| Connection Style | INVERTED FLARE (PIPE) SECOND END |
| Connection Style | REDUCED SOCKET (PIPE) FIRST END |
| Nominal Overall Length | 1.531 INCHES IN |
| Connection Type | UNTHREADED INTERNAL PIPE FIRST END |
| Connection Type | THREADED EXTERNAL PIPE SECOND END |
| Nominal Thread Size | 0.375 INCHES SECOND END IN |
| Seat Angle | 45.0 DEGREES SECOND END |
| Surface Treatment | ZINC OVERALL |
| Material | STEEL OVERALL |
| Thread Series Designator | NPTF SECOND END |
| Reducer Type | CONCENTRIC |
| 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 |
|---|---|
| 310536R1 | Komatsu America Corp. (USA) |
| Reference | Meaning |
|---|---|
| 310536R1 | 3/9 Design control — primary reference Komatsu American Intl Co |
| 310536R1 | 5/9 Secondary reference U.S. Government activity |
NSN 4730-00-476-5384 is a Reducer,pipe, manufactured by Komatsu America Corp., classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-476-5384 has 1 manufacturer part number on file: 310536R1 (Komatsu America Corp.).
Key specifications for 310536R1: Nominal Pipe Size Accommodated: 0.406 INCHES FIRST END IN; Connection Style: INVERTED FLARE (PIPE) SECOND END; Connection Style: REDUCED SOCKET (PIPE) FIRST END; Nominal Overall Length: 1.531 INCHES IN. 12 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.