The Reducer,pipe, cataloged under National Stock Number 4730-01-436-2132, 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 H-P Products Inc. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-436-2132 |
| Primary Part Number | RC-604 SS |
| Item Name | Reducer,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | H-P Products Inc |
| Status | ACTIVE |
| Nominal Pipe Size Accommodated | 5.000 INCHES SECOND END IN |
| Nominal Pipe Size Accommodated | 6.000 INCHES FIRST END IN |
| Connection Style | PLAIN (PIPE) ALL ENDS |
| Nominal Overall Length | 10.000 INCHES IN |
| Connection Type | UNTHREADED EXTERNAL PIPE ALL ENDS |
| Material | STEEL CORROSION RESISTING OVERALL |
| 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 |
|---|---|
| 1741AS580-1 | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| 1741AS580 | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| RC-604 SS PRIMARY | H-P Products Inc (USA) |
| Reference | Meaning |
|---|---|
| RC-604(SST) | C/1 Advisory reference — outside the item-of-supply concept H-P Products Inc |
| RC-604 SST | 5/9 Secondary reference H-P Products Inc |
NSN 4730-01-436-2132 is a Reducer,pipe, manufactured by H-P Products Inc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-436-2132 has 3 manufacturer part numbers on file: 1741AS580-1 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), 1741AS580 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), RC-604 SS (H-P Products Inc).
Key specifications for RC-604 SS: Nominal Pipe Size Accommodated: 5.000 INCHES SECOND END IN; Nominal Pipe Size Accommodated: 6.000 INCHES FIRST END IN; Connection Style: PLAIN (PIPE) ALL ENDS; Nominal Overall Length: 10.000 INCHES IN. 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.