The Collar,shaft, cataloged under National Stock Number 3040-00-300-4577, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Kingsbury Inc.. Government technical data includes 12 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-300-4577 |
| Primary Part Number | 463722PC16 |
| Item Name | Collar,shaft |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Kingsbury Inc. |
| Status | ACTIVE |
| Internal Keyway Width | 0.250 INCHES NOMINAL IN |
| Surface Finish | 63 MICROINCHES INSIDE PERIPHERY |
| Surface Finish | 125 MICROINCHES SMALLEST BEARING FLAT |
| Surface Finish | 16 MICROINCHES BOTH BEARING FLATS |
| Style Designator | PLAIN ROUND |
| Material Document and Classification | MIL-S-890, CLASS B MIL SPEC SINGLE MATERIAL RESPONSE |
| Outside Diameter | 4.500 INCHES NOMINAL IN |
| Keyway Quantity | 1 |
| Distance From Center of Bore to Bottom of Keyway | 0.875 INCHES NOMINAL IN |
| Bore Diameter | 1.5000 INCHES MINIMUM AND 1.5005 INCHES MAXIMUM IN |
| Material | STEEL |
| Thickness | 0.625 INCHES MINIMUM AND 0.627 INCHES MAXIMUM 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 |
|---|---|
| 463722PC16 PRIMARY | Kingsbury Inc. (USA) |
| 4 3-8 3722-16 PRIMARY | Kingsbury Inc. (USA) |
| Reference | Meaning |
|---|---|
| 4 3-8 3722-3 | 5/9 Secondary reference Kingsbury Inc. |
| 463722PC3 | 5/9 Secondary reference Kingsbury Inc. |
NSN 3040-00-300-4577 is a Collar,shaft, manufactured by Kingsbury Inc., classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-300-4577 has 2 manufacturer part numbers on file: 463722PC16 (Kingsbury Inc.), 4 3-8 3722-16 (Kingsbury Inc.).
Key specifications for 463722PC16: Internal Keyway Width: 0.250 INCHES NOMINAL IN; Surface Finish: 63 MICROINCHES INSIDE PERIPHERY; Surface Finish: 125 MICROINCHES SMALLEST BEARING FLAT; Surface Finish: 16 MICROINCHES BOTH BEARING FLATS. 12 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.