The Collar,shaft, cataloged under National Stock Number 3040-00-466-2228, 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 13 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-466-2228 |
| Primary Part Number | 7838740P001 |
| Item Name | Collar,shaft |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Lockheed Martin Corporation Div Rms |
| Status | ACTIVE |
| Surface Finish | 125 MICROINCHES OVERALL |
| Securing Hole Type and Location | THREADED SINGLE HOLE |
| Style Designator | PLAIN RECTANGULAR |
| Material Document and Classification | QQ-B-626, ALLOY 360 FED SPEC SINGLE MATERIAL RESPONSE |
| Screw Thread Series Designator and Location | SINGLE HOLE UNIFIED NATIONAL COARSE (UNC) |
| Distance From Bore Centerline to End | 0.250 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 | 2 |
| Surface Treatment | CADMIUM AND CHROMATE |
| Bore Diameter | 0.2500 INCHES MINIMUM AND 0.2550 INCHES MAXIMUM IN |
| Material | COPPER ALLOY 360 |
| Thickness | 0.250 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 |
|---|---|
| 7838740P001 PRIMARY | Lockheed Martin Corporation Div Rms (USA) |
NSN 3040-00-466-2228 is a Collar,shaft, manufactured by Lockheed Martin Corporation Div Rms, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-466-2228 has 1 manufacturer part number on file: 7838740P001 (Lockheed Martin Corporation Div Rms).
Key specifications for 7838740P001: Surface Finish: 125 MICROINCHES OVERALL; Securing Hole Type and Location: THREADED SINGLE HOLE; Style Designator: PLAIN RECTANGULAR; Material Document and Classification: QQ-B-626, ALLOY 360 FED SPEC SINGLE MATERIAL RESPONSE. 13 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.