The Coupling,shaft,rigid, cataloged under National Stock Number 3010-01-440-4479, 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 6 specifications, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 3010-01-440-4479 |
| Primary Part Number | 12123-501 |
| 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 | 5.0000 INCHES NOMINAL THROUGH BORE IN |
| Overall Diameter | 1.250 INCHES NOMINAL IN |
| Style Designator | PLAIN SLEEVE |
| Bore Shape | STRAIGHT THROUGH BORE |
| Body Material | STEEL |
| Bore Diameter | 0.7515 INCHES NOMINAL 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 |
|---|---|
| 12123-501 PRIMARY | B.w. Elliott Manufacturing Co., Llc (USA) |
| Reference | Meaning |
|---|---|
| 122-6776003 PC 7 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
| 500-61-512 | 5/9 Secondary reference Elliott B W Mfg Co Llc Flex Shaft and Valve Control Product Lines |
| 50061 | D/9 Drawing number reference only Elliott B W Mfg Co Llc Flex Shaft and Valve Control Product Lines |
NSN 3010-01-440-4479 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 3010-01-440-4479 has 1 manufacturer part number on file: 12123-501 (B.w. Elliott Manufacturing Co., Llc).
2 possible matches (shared part number, not a government interchangeability claim): 3439-01-501-8392, 4240-01-696-4241. Verify interchangeability with system specifications before substitution.
Key specifications for 12123-501: Bore Length: 5.0000 INCHES NOMINAL THROUGH BORE IN; Overall Diameter: 1.250 INCHES NOMINAL IN; Style Designator: PLAIN SLEEVE; Overall Length: 5.000 INCHES NOMINAL IN. 6 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.