The Restrictor,fluid Flow, cataloged under National Stock Number 4730-01-132-7500, 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 Ge Steam Power Inc Dba Ge Steam Power, Inc Div General Electric. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Restrictor,fluid Flow |
| FSC / FSG | 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings (FSG 47) |
| Manufacturers | Ge Steam Power Inc Dba Ge Steam Power, Inc Div General Electric (CAGE 11440) |
| Parameter | Value |
|---|---|
| NSN | 4730-01-132-7500 |
| Primary Part Number | B-171-150 NO. 3.70MM |
| Item Name | Restrictor,fluid Flow |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Ge Steam Power Inc Dba Ge Steam Power, Inc Div General Electric |
| Status | ACTIVE |
| 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 |
|---|---|
| B-171-150 NO. 3.70MM PRIMARY | Ge Steam Power Inc Dba Ge Steam Power, Inc Div General Electric (USA) |
| Reference | Meaning |
|---|---|
| E171-424 | D/9 Drawing number reference only Ge Steam Power Inc Dba Ge Steam Power, Inc Div General Electric |
| B-171-150 | D/9 Drawing number reference only Ge Steam Power Inc Dba Ge Steam Power, Inc Div General Electric |
| E171-424 PIECE 9 | 5/1 Secondary reference Ge Steam Power Inc Dba Ge Steam Power, Inc Div General Electric |
| E171-424PC9SZ3- | C/1 Advisory reference — outside the item-of-supply concept Ge Steam Power Inc Dba Ge Steam Power, Inc Div General Electric |
| 3-70MM | C/1 Advisory reference — outside the item-of-supply concept Ge Steam Power Inc Dba Ge Steam Power, Inc Div General Electric |
NSN 4730-01-132-7500 is a Restrictor,fluid Flow, manufactured by Ge Steam Power Inc Dba Ge Steam Power, Inc Div General Electric, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-132-7500 has 1 manufacturer part number on file: B-171-150 NO. 3.70MM (Ge Steam Power Inc Dba Ge Steam Power, Inc Div General Electric).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-132-7501. Verify interchangeability with system specifications before substitution.
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.