The Coupling,shaft,rigid, cataloged under National Stock Number 3010-01-394-8157, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is B.w. Elliott Manufacturing Co., Llc. Government technical data includes 5 specifications, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 3010-01-394-8157 |
| Primary Part Number | 12123-503 |
| Item Name | Coupling,shaft,rigid |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | B.w. Elliott Manufacturing Co., Llc |
| Status | ACTIVE |
| Bore Length | 5.000 INCHES NOMINAL THROUGH BORE IN |
| Overall Diameter | 1.625 INCHES NOMINAL IN |
| Style Designator | PLAIN SLEEVE |
| Bore Shape | STRAIGHT THROUGH BORE |
| Bore Diameter | 1.000 INCHES MINIMUM AND 1.003 INCHES MAXIMUM THROUGH BORE 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 |
|---|---|
| 12123-503 PRIMARY | B.w. Elliott Manufacturing Co., Llc (USA) |
| 6776765 SUB ITEM 406 | Naval Sea Systems Command (USA) |
| 701-6776765 SUB ITEM 406 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 50061 | D/9 Drawing number reference only Elliott B W Mfg Co Llc Flex Shaft and Valve Control Product Lines |
| 50061-516 | 5/9 Secondary reference Elliott B W Mfg Co Llc Flex Shaft and Valve Control Product Lines |
NSN 3010-01-394-8157 is a Coupling,shaft,rigid, manufactured by B.w. Elliott Manufacturing Co., Llc, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-01-394-8157 has 3 manufacturer part numbers on file: 12123-503 (B.w. Elliott Manufacturing Co., Llc), 6776765 SUB ITEM 406 (Naval Sea Systems Command), 701-6776765 SUB ITEM 406 (Naval Sea Systems Command).
3 possible matches (shared part number, not a government interchangeability claim): 3010-01-440-4479, 3439-01-501-8392, 4240-01-696-4241. Verify interchangeability with system specifications before substitution.
Key specifications for 12123-503: Bore Length: 5.000 INCHES NOMINAL THROUGH BORE IN; Overall Diameter: 1.625 INCHES NOMINAL IN; Style Designator: PLAIN SLEEVE; Overall Length: 5.000 INCHES NOMINAL IN. 5 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.