The Collar,shaft, cataloged under National Stock Number 3040-00-756-1764, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Lockheed Martin Corporation Div Rms. Government technical data includes 14 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-756-1764 |
| Primary Part Number | 7210407P2 |
| Item Name | Collar,shaft |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Lockheed Martin Corporation Div Rms |
| Status | ACTIVE |
| Securing Hole Type and Location | THREADED SINGLE HOLE |
| Largest Diameter Length | 0.200 INCHES NOMINAL IN |
| Style Designator | ROUND W/DOUBLE CHAMFER |
| Material Document and Classification | QQ-S-764, TYPE 303-CANCELED FED SPEC SINGLE MATERIAL RESPONSE |
| Screw Thread Series Designator and Location | SINGLE HOLE UNF |
| Outside Diameter | 0.560 INCHES NOMINAL IN |
| Nominal Thread Size | 0.138 INCHES SINGLE HOLE IN |
| Angle Between Centerlines of Securing Holes in Deg | 90.0 |
| Securing Hole Quantity | 4 |
| Surface Treatment | PASSIVATE |
| Chamfer Angle in Deg | 45.0 |
| Bore Diameter | 0.3050 INCHES NOMINAL IN |
| Material | STEEL COMP 303 |
| Thickness | 0.280 INCHES NOMINAL 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 |
|---|---|
| 7210407P2 PRIMARY | Lockheed Martin Corporation Div Rms (USA) |
| Reference | Meaning |
|---|---|
| 7210407P2 | 5/9 Secondary reference General Electric Company |
NSN 3040-00-756-1764 is a Collar,shaft, manufactured by Lockheed Martin Corporation Div Rms, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-756-1764 has 1 manufacturer part number on file: 7210407P2 (Lockheed Martin Corporation Div Rms).
Key specifications for 7210407P2: Securing Hole Type and Location: THREADED SINGLE HOLE; Largest Diameter Length: 0.200 INCHES NOMINAL IN; Style Designator: ROUND W/DOUBLE CHAMFER; Material Document and Classification: QQ-S-764, TYPE 303-CANCELED FED SPEC SINGLE MATERIAL RESPONSE. 14 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.