The Reducer,pipe, cataloged under National Stock Number 4730-01-730-7780, 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 Western Enterprises Div of Scott and Fetzer Co. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4730-01-730-7780 |
| Primary Part Number | BB-4-8HP |
| Item Name | Reducer,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Western Enterprises Div of Scott and Fetzer Co |
| Status | ACTIVE |
| Nominal Width Across Flats | 0.88 INCHES 2ND END IN |
| Nominal Pipe Size Accommodated | 0.250 INCHES 1ST END IN |
| Nominal Pipe Size Accommodated | 0.500 INCHES 2ND END IN |
| Nominal Overall Length | 1.13 INCHES IN |
| Leg Length | 1.125 INCHES NOMINAL 1ST END IN |
| Material | UNABLE TO DECODE |
| 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 |
|---|---|
| BB-4-8HP PRIMARY | Western Enterprises Div of Scott and Fetzer Co (USA) |
| Reference | Meaning |
|---|---|
| 1110700254 | 7/2 Vendor item drawing reference Devcom Chemical Biological Center Dba Chemical Biological Center Div U.s. Dept of Army |
NSN 4730-01-730-7780 is a Reducer,pipe, manufactured by Western Enterprises Div of Scott and Fetzer Co, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-730-7780 has 1 manufacturer part number on file: BB-4-8HP (Western Enterprises Div of Scott and Fetzer Co).
Key specifications for BB-4-8HP: Nominal Width Across Flats: 0.88 INCHES 2ND END IN; Nominal Pipe Size Accommodated: 0.250 INCHES 1ST END IN; Nominal Pipe Size Accommodated: 0.500 INCHES 2ND END IN; Nominal Overall Length: 1.13 INCHES IN. 6 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.