The Collar,shaft, cataloged under National Stock Number 3040-01-645-4412, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Precision Manufacturing Group Llc Dba Servometer Div Servometer. Government technical data includes 9 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 | 3040-01-645-4412 |
| Primary Part Number | CL5 SS |
| Item Name | Collar,shaft |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Precision Manufacturing Group Llc Dba Servometer Div Servometer |
| Status | ACTIVE |
| Internal Straight Key Width | 0.281 INCHES NOMINAL IN |
| Screw Thread Quantity Per Inch and Location | 40 SINGLE HOLE |
| Screw Thread Series Designator and Location | SINGLE HOLE UNIFIED NATIONAL COARSE (UNC) |
| Outside Diameter | 0.687 INCHES NOMINAL IN |
| Keyway Quantity | 1 |
| Nominal Thread Size | 0.112 INCHES SINGLE HOLE IN |
| Bore Diameter | 0.312 INCHES NOMINAL IN |
| Material | STEEL COMP 303 |
| Thickness | 0.281 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 |
|---|---|
| CL5 SS PRIMARY | Precision Manufacturing Group Llc Dba Servometer Div Servometer (USA) |
NSN 3040-01-645-4412 is a Collar,shaft, manufactured by Precision Manufacturing Group Llc Dba Servometer Div Servometer, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-645-4412 has 1 manufacturer part number on file: CL5 SS (Precision Manufacturing Group Llc Dba Servometer Div Servometer).
Key specifications for CL5 SS: Internal Straight Key Width: 0.281 INCHES NOMINAL IN; Screw Thread Quantity Per Inch and Location: 40 SINGLE HOLE; Screw Thread Series Designator and Location: SINGLE HOLE UNIFIED NATIONAL COARSE (UNC); Outside Diameter: 0.687 INCHES NOMINAL IN. 9 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.