The Collar,shaft, cataloged under National Stock Number 3040-01-478-2210, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 16 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 | 3040-01-478-2210 |
| Primary Part Number | 6166807 |
| Item Name | Collar,shaft |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Counterbore Depth and Location | 0.3000 INCHES NOMINAL ALL HOLES IN |
| Securing Hole Type and Location | THREADED-COUNTERBORED ALL HOLES |
| Largest Diameter Length | 0.500 INCHES NOMINAL IN |
| Screw Thread Quantity Per Inch and Location | 18 ALL HOLES |
| Style Designator | PLAIN ROUND |
| Material Document and Classification | MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE |
| Screw Thread Series Designator and Location | ALL HOLES UNF |
| Outside Diameter | 5.000 INCHES NOMINAL IN |
| Nominal Thread Size | 0.375 INCHES ALL HOLES IN |
| Angle Between Centerlines of Securing Holes in Deg | 118.0 |
| Small End Diameter | 2.862 INCHES NOMINAL IN |
| Securing Hole Quantity | 3 |
| Bore Diameter | 1.1320 INCHES NOMINAL IN |
| Material | STEEL COMP 4130 |
| Counterbore Diameter and Location | 0.3750 INCHES NOMINAL ALL HOLES IN |
| Thickness | 1.000 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 |
|---|---|
| 6166807 PRIMARY | Naval Sea Systems Command (USA) |
NSN 3040-01-478-2210 is a Collar,shaft, manufactured by Naval Sea Systems Command, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-478-2210 has 1 manufacturer part number on file: 6166807 (Naval Sea Systems Command).
Key specifications for 6166807: Counterbore Depth and Location: 0.3000 INCHES NOMINAL ALL HOLES IN; Securing Hole Type and Location: THREADED-COUNTERBORED ALL HOLES; Largest Diameter Length: 0.500 INCHES NOMINAL IN; Screw Thread Quantity Per Inch and Location: 18 ALL HOLES. 16 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.