The Coupling,half, cataloged under National Stock Number 4730-01-073-9901, 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 Salem Manufacturing & Sales Inc Div Salem Manufacturing and Sales Inc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Coupling,half |
| FSC / FSG | 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings (FSG 47) |
| Manufacturers | Salem Manufacturing & Sales Inc Div Salem Manufacturing and Sales Inc (CAGE 57140); Acme Products & Engineering Inc (CAGE 1T943) |
| Parameter | Value |
|---|---|
| NSN | 4730-01-073-9901 |
| Primary Part Number | SMS-6434B |
| Item Name | Coupling,half |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Salem Manufacturing & Sales Inc Div Salem Manufacturing and Sales Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| SMS-6434B | Salem Manufacturing & Sales Inc Div Salem Manufacturing and Sales Inc (USA) |
| 200114L | Acme Products & Engineering Inc (USA) |
| Reference | Meaning |
|---|---|
| 6434B | 3/9 Design control — primary reference Siemens Energy, Inc. Dba Dresser-Rand |
| 200114L PC855 | 5/9 Secondary reference U.S. Government activity |
| 6434B | C/1 Advisory reference — outside the item-of-supply concept Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions |
| 6434B | 5/9 Secondary reference U.S. Government activity |
NSN 4730-01-073-9901 is a Coupling,half, manufactured by Salem Manufacturing & Sales Inc Div Salem Manufacturing and Sales Inc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-073-9901 has 2 manufacturer part numbers on file: SMS-6434B (Salem Manufacturing & Sales Inc Div Salem Manufacturing and Sales Inc), 200114L (Acme Products & Engineering Inc).
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.