The Coupling Half,shaft, cataloged under National Stock Number 3010-01-420-8640, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Lockheed Martin Corporation Div Rms. Government technical data includes 2 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3010-01-420-8640 |
| Primary Part Number | 1223D1167 |
| Item Name | Coupling Half,shaft |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Lockheed Martin Corporation Div Rms |
| Status | ACTIVE |
| Body Style | MULTIPLE POSITIONING HOLES |
| Bore Shape | STRAIGHT |
| 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 |
|---|---|
| 1223D1167 PRIMARY | Lockheed Martin Corporation Div Rms (USA) |
| 1223E1153 FIND 4 | Lockheed Martin Corporation Div Rms (USA) |
| Reference | Meaning |
|---|---|
| 1223E1153 FIND NO.4 | 5/9 Secondary reference Martin Marietta Technologies Inc Sub of Martin Marietta Corp Aero and Naval Systems |
| 1223D1167 | 5/9 Secondary reference Martin Marietta Technologies Inc Sub of Martin Marietta Corp Aero and Naval Systems |
| 1223E1153 | D/9 Drawing number reference only Martin Marietta Technologies Inc Sub of Martin Marietta Corp Aero and Naval Systems |
NSN 3010-01-420-8640 is a Coupling Half,shaft, manufactured by Lockheed Martin Corporation Div Rms, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-01-420-8640 has 2 manufacturer part numbers on file: 1223D1167 (Lockheed Martin Corporation Div Rms), 1223E1153 FIND 4 (Lockheed Martin Corporation Div Rms).
Key specifications for 1223D1167: Body Style: MULTIPLE POSITIONING HOLES; Bore Shape: STRAIGHT; Special Features: USED ON STOWAGE DRUM ASSEMBLY, GOULD INC., 1223E1153; KEYING FACILITY:NOT INCLUDED; POSITIONING FACILITY QTY:10; End Item Identification: WEAPONS SYSTEM LOS ANGELES SSN(688). 2 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.