The Reducer,pipe, cataloged under National Stock Number 4730-01-407-7536, 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 Ati Ladish Llc Dba Ati Wah Chang Div Ati Forged Products - Cudahy. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-407-7536 |
| Primary Part Number | 25000 1-1/2 X 1 |
| Item Name | Reducer,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Ati Ladish Llc Dba Ati Wah Chang Div Ati Forged Products - Cudahy |
| Status | ACTIVE |
| Nominal Pipe Size Accommodated | 1.500 INCHES FIRST END IN |
| Nominal Pipe Size Accommodated | 1.000 INCHES SECOND END IN |
| Connection Style | BEVELED (PIPE) ALL ENDS |
| Nominal Overall Length | 2.500 INCHES IN |
| Connection Type | BUTT WELD PIPE ALL ENDS |
| Pipe Wall Thickness Designation for Which Designed | SCHEDULE 40 ALL ENDS |
| Material | STEEL 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 |
|---|---|
| AD40098-49 | Hamilton Sundstrand Corporation Dba Collins Aerospace (USA) |
| 25000 1-1/2 X 1 PRIMARY | Ati Ladish Llc Dba Ati Wah Chang Div Ati Forged Products - Cudahy (USA) |
NSN 4730-01-407-7536 is a Reducer,pipe, manufactured by Ati Ladish Llc Dba Ati Wah Chang Div Ati Forged Products - Cudahy, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-407-7536 has 2 manufacturer part numbers on file: AD40098-49 (Hamilton Sundstrand Corporation Dba Collins Aerospace), 25000 1-1/2 X 1 (Ati Ladish Llc Dba Ati Wah Chang Div Ati Forged Products - Cudahy).
Key specifications for 25000 1-1/2 X 1: Nominal Pipe Size Accommodated: 1.500 INCHES FIRST END IN; Nominal Pipe Size Accommodated: 1.000 INCHES SECOND END IN; Connection Style: BEVELED (PIPE) ALL ENDS; Nominal Overall Length: 2.500 INCHES IN. 8 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.