The Collar,shaft, cataloged under National Stock Number 3040-00-774-4842, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is General Motors Corp. Government technical data includes 11 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-774-4842 |
| Primary Part Number | 6701240 |
| Item Name | Collar,shaft |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | General Motors Corp |
| Status | ACTIVE |
| Internal Keyway Width | 0.156 INCHES NOMINAL IN |
| Largest Diameter Length | 0.183 INCHES NOMINAL IN |
| Style Designator | ROUND STEPPED |
| Material Document and Classification | QQ-S-624, COMP 8740-CANCELED FED SPEC 1ST MATERIAL RESPONSE AND FED STD 66 FED STD 2ND MATERIAL RESPONSE OR AISI 8740 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 8740 ASSN STD SINGLE MATERIAL RESPONSE |
| Outside Diameter | 1.875 INCHES NOMINAL IN |
| Keyway Quantity | 1 |
| Distance From Center of Bore to Bottom of Keyway | 0.594 INCHES NOMINAL IN |
| Small End Diameter | 1.000 INCHES NOMINAL IN |
| Bore Diameter | 0.8745 INCHES MINIMUM AND 0.8755 INCHES MAXIMUM IN |
| Material | STEEL COMP 8740 |
| Thickness | 0.812 INCHES MINIMUM AND 0.814 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 |
NSN 3040-00-774-4842 is a Collar,shaft, manufactured by General Motors Corp, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-774-4842 has 2 manufacturer part numbers on file: 6701240 (General Motors Corp), 7744842 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 6701240: Internal Keyway Width: 0.156 INCHES NOMINAL IN; Largest Diameter Length: 0.183 INCHES NOMINAL IN; Style Designator: ROUND STEPPED; Material Document and Classification: QQ-S-624, COMP 8740-CANCELED FED SPEC 1ST MATERIAL RESPONSE AND FED STD 66 FED STD 2ND MATERIAL RESPONSE OR AISI 8740 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 8740 ASSN STD SINGLE MATERIAL RESPONSE. 11 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.