The Collar,shaft, cataloged under National Stock Number 3040-01-642-3128, 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 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3040-01-642-3128 |
| Primary Part Number | 6436K27 |
| Item Name | Collar,shaft |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Mcmaster-Carr Supply Co |
| Status | ACTIVE |
| Securing Hole Type and Location | THREADED ALL HOLES |
| Style Designator | ROUND SECTIONAL |
| Outside Diameter | 3.00 INCHES NOMINAL IN |
| Securing Hole Quantity | 2 |
| Surface Treatment | OXIDE |
| Bore Diameter | 2.00 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING |
| 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 |
|---|---|
| 6436K27 PRIMARY | Mcmaster-Carr Supply Co (USA) |
| Reference | Meaning |
|---|---|
| 10017737 | D/9 Drawing number reference only General Dynamics Land Systems - Force Protection Inc. Dba Gdls Div Gdls-Fp |
NSN 3040-01-642-3128 is a Collar,shaft, manufactured by Mcmaster-Carr Supply Co, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-642-3128 has 1 manufacturer part number on file: 6436K27 (Mcmaster-Carr Supply Co).
Key specifications for 6436K27: Securing Hole Type and Location: THREADED ALL HOLES; Style Designator: ROUND SECTIONAL; Outside Diameter: 3.00 INCHES NOMINAL IN; Securing Hole Quantity: 2. 8 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.