The Coupling,shaft,rigid, cataloged under National Stock Number 3010-00-388-0830, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Elliott B W Mfg Co Llc Flex Shaft and Valve Control Product Lines. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3010-00-388-0830 |
| Primary Part Number | 4840SF16-2 |
| Item Name | Coupling,shaft,rigid |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Elliott B W Mfg Co Llc Flex Shaft and Valve Control Product Lines |
| Status | ACTIVE |
| Bore Length | 1.5000 INCHES NOMINAL FIRST END IN |
| Bore Shape | STRAIGHT FIRST END |
| Body Material | COPPER ALLOY AND STEEL |
| Bore Diameter | 1.0000 INCHES NOMINAL FIRST END IN |
| 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 |
|---|---|
| 4840SF16-2 PRIMARY | Elliott B W Mfg Co Llc Flex Shaft and Valve Control Product Lines (USA) |
| 12120-404 | B.w. Elliott Manufacturing Co., Llc (USA) |
NSN 3010-00-388-0830 is a Coupling,shaft,rigid, manufactured by Elliott B W Mfg Co Llc Flex Shaft and Valve Control Product Lines, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-00-388-0830 has 2 manufacturer part numbers on file: 4840SF16-2 (Elliott B W Mfg Co Llc Flex Shaft and Valve Control Product Lines), 12120-404 (B.w. Elliott Manufacturing Co., Llc).
2 possible matches (shared part number, not a government interchangeability claim): 6150-01-505-0359, 8145-01-505-7000. Verify interchangeability with system specifications before substitution.
Key specifications for 4840SF16-2: Bore Length: 1.5000 INCHES NOMINAL FIRST END IN; Overall Length: 4.255 INCHES NOMINAL IN; Bore Shape: STRAIGHT FIRST END; Body Material: COPPER ALLOY AND STEEL. 4 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.