The Reducer,pipe, cataloged under National Stock Number 4730-01-441-7258, 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 Insinger Machine Co. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-441-7258 |
| Primary Part Number | D322F-C2-B1 |
| Item Name | Reducer,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Insinger Machine Co |
| Status | ACTIVE |
| Material | COPPER ALLOY OVERALL |
| 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 |
|---|---|
| D322F-C2-B1 PRIMARY | Insinger Machine Co (USA) |
| 1192-1 ITEM 9 | Insinger Machine Co (USA) |
| 1192-1-9 | Insinger Machine Co (USA) |
| Reference | Meaning |
|---|---|
| 1192 | D/9 Drawing number reference only Insinger Machine Co |
NSN 4730-01-441-7258 is a Reducer,pipe, manufactured by Insinger Machine Co, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-441-7258 has 3 manufacturer part numbers on file: D322F-C2-B1 (Insinger Machine Co), 1192-1 ITEM 9 (Insinger Machine Co), 1192-1-9 (Insinger Machine Co).
Key specifications for D322F-C2-B1: End Item Identification: SEAWOLF CLASS SSN; Material: COPPER ALLOY OVERALL. 1 specification is 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.