The Collar,shaft, cataloged under National Stock Number 3040-01-476-7135, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-476-7135 |
| Primary Part Number | 6435K37 |
| Item Name | Collar,shaft |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Mcmaster-Carr Supply Co |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 SOCKET HEAD CAP SCREW |
| Securing Hole Type and Location | THREADED SINGLE HOLE |
| Screw Thread Quantity Per Inch and Location | 28 SINGLE HOLE |
| Style Designator | PLAIN ROUND |
| Screw Thread Series Designator and Location | SINGLE HOLE UNF |
| Outside Diameter | 1.625 INCHES NOMINAL IN |
| Nominal Thread Size | 0.250 INCHES SINGLE HOLE IN |
| Securing Hole Quantity | 1 |
| Surface Treatment | NICKEL |
| Bore Diameter | 0.8750 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING |
| Thickness | 0.500 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 |
|---|---|
| 6435K37 PRIMARY | Mcmaster-Carr Supply Co (USA) |
| Reference | Meaning |
|---|---|
| 6435K37 | C/1 Advisory reference — outside the item-of-supply concept Mcmaster-Carr Supply Co |
NSN 3040-01-476-7135 is a Collar,shaft, manufactured by Mcmaster-Carr Supply Co, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-476-7135 has 1 manufacturer part number on file: 6435K37 (Mcmaster-Carr Supply Co).
Key specifications for 6435K37: Furnished Items and Quantity: 1 SOCKET HEAD CAP SCREW; Securing Hole Type and Location: THREADED SINGLE HOLE; Screw Thread Quantity Per Inch and Location: 28 SINGLE HOLE; Style Designator: PLAIN ROUND. 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.