The Reducer,pipe, cataloged under National Stock Number 4730-01-050-3513, 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 Tld Ace Corp Div Tld Ace. Government technical data includes 11 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-050-3513 |
| Primary Part Number | 66077 |
| Item Name | Reducer,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Tld Ace Corp Div Tld Ace |
| Status | ACTIVE |
| Nominal Pipe Size Accommodated | 3.500 INCHES FIRST END IN |
| Nominal Pipe Size Accommodated | 3.250 INCHES SECOND END IN |
| Connection Style | PLAIN (PIPE) FIRST END |
| Connection Style | PLAIN (PIPE) SECOND END |
| Nominal Overall Length | 2.000 INCHES IN |
| Connection Type | UNTHREADED EXTERNAL PIPE SECOND END |
| Connection Type | UNTHREADED EXTERNAL PIPE FIRST END |
| Pipe Wall Thickness Designation for Which Designed | SCHEDULE STD FIRST END |
| Pipe Wall Thickness Designation for Which Designed | SCHEDULE STD SECOND END |
| 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 |
|---|---|
| 66077 PRIMARY | Tld Ace Corp Div Tld Ace (USA) |
NSN 4730-01-050-3513 is a Reducer,pipe, manufactured by Tld Ace Corp Div Tld Ace, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-050-3513 has 1 manufacturer part number on file: 66077 (Tld Ace Corp Div Tld Ace).
Key specifications for 66077: Nominal Pipe Size Accommodated: 3.500 INCHES FIRST END IN; Nominal Pipe Size Accommodated: 3.250 INCHES SECOND END IN; Connection Style: PLAIN (PIPE) FIRST END; Connection Style: PLAIN (PIPE) SECOND END. 11 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.