The Coupling,shaft,rigid, cataloged under National Stock Number 3010-01-074-4718, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Salem Manufacturing & Sales Inc Div Salem Manufacturing and Sales Inc. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 3010-01-074-4718 |
| Primary Part Number | SMS-6191B |
| Item Name | Coupling,shaft,rigid |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Salem Manufacturing & Sales Inc Div Salem Manufacturing and Sales Inc |
| Status | ACTIVE |
| Body Material | COPPER ALLOY |
| 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 |
|---|---|
| SMS-6191B | Salem Manufacturing & Sales Inc Div Salem Manufacturing and Sales Inc (USA) |
| Reference | Meaning |
|---|---|
| 6191B | 5/9 Secondary reference U.S. Government activity |
| 200114L PC403 | 5/9 Secondary reference U.S. Government activity |
| 6191B | 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 |
| 6191B | 3/9 Design control — primary reference Siemens Energy, Inc. Dba Dresser-Rand |
NSN 3010-01-074-4718 is a Coupling,shaft,rigid, manufactured by Salem Manufacturing & Sales Inc Div Salem Manufacturing and Sales Inc, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-01-074-4718 has 1 manufacturer part number on file: SMS-6191B (Salem Manufacturing & Sales Inc Div Salem Manufacturing and Sales Inc).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-387-7036. Verify interchangeability with system specifications before substitution.
Key specifications for SMS-6191B: Body Material: COPPER ALLOY. 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.