The Collar,shaft, cataloged under National Stock Number 3040-01-601-7455, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Mcmaster-Carr Supply Co. Government technical data includes 12 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 | 3040-01-601-7455 |
| Primary Part Number | 6436K76 |
| Item Name | Collar,shaft |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Mcmaster-Carr Supply Co |
| Status | ACTIVE |
| Counterbore Depth and Location | 0.306 INCHES MINIMUM ALL HOLES AND 0.312 INCHES MAXIMUM ALL HOLES IN |
| Countersink Major Diameter and Location | 0.457 INCHES MINIMUM ALL HOLES AND 0.469 INCHES MAXIMUM ALL HOLES IN |
| Securing Hole Type and Location | THREADED-COUNTERBORED ALL HOLES |
| Screw Thread Quantity Per Inch and Location | 24 ALL HOLES |
| Style Designator | ROUND SECTIONAL |
| Outside Diameter | 3.000 INCHES NOMINAL IN |
| Hole Diameter and Location | 0.3125 INCHES NOMINAL ALL HOLES IN |
| Nominal Thread Size | 0.3125 INCHES ALL HOLES IN |
| Securing Hole Quantity | 2 |
| Bore Diameter | 2.000 INCHES NOMINAL IN |
| Material | ALUMINUM |
| Thickness | 0.6875 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 |
|---|---|
| 6436K76 PRIMARY | Mcmaster-Carr Supply Co (USA) |
NSN 3040-01-601-7455 is a Collar,shaft, manufactured by Mcmaster-Carr Supply Co, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-601-7455 has 1 manufacturer part number on file: 6436K76 (Mcmaster-Carr Supply Co).
Key specifications for 6436K76: Counterbore Depth and Location: 0.306 INCHES MINIMUM ALL HOLES AND 0.312 INCHES MAXIMUM ALL HOLES IN; Countersink Major Diameter and Location: 0.457 INCHES MINIMUM ALL HOLES AND 0.469 INCHES MAXIMUM ALL HOLES IN; Securing Hole Type and Location: THREADED-COUNTERBORED ALL HOLES; Screw Thread Quantity Per Inch and Location: 24 ALL HOLES. 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.