The Shaft,straight, cataloged under National Stock Number 3040-00-692-6258, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Mack Trucks Inc Parts Opn. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-692-6258 |
| Primary Part Number | 591KC114 |
| Item Name | Shaft,straight |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Mack Trucks Inc Parts Opn |
| Status | ACTIVE |
| FSC Application Data | 1. TRANSMISSION SHIFTER FORK |
| Second End Hole Diameter | 0.1560 INCHES NOMINAL IN |
| First End Diameter | 0.8725 INCHES MINIMUM AND 0.8755 INCHES MAXIMUM IN |
| Second End Diameter | 0.8725 INCHES MINIMUM AND 0.8755 INCHES MAXIMUM IN |
| First End Style | PLAIN |
| Material Document and Classification | QQ-S-633 FED SPEC ALL MATERIAL RESPONSES |
| Second End Distance From Hole Center to End | 1.310 INCHES NOMINAL IN |
| Second End Hole Depth | 0.8725 INCHES MINIMUM AND 0.8755 INCHES MAXIMUM IN |
| End Similarity | NOT IDENTICAL |
| Second End Style | CROSS DRILLED HOLE AND INTERNALLY THREADED |
| Material | STEEL COMP 1018 OR STEEL COMP 1025 OR STEEL COMP 1117 OR STEEL COMP 1118 |
| Second End Internal Thread Length | 0.375 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 |
NSN 3040-00-692-6258 is a Shaft,straight, manufactured by Mack Trucks Inc Parts Opn, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-692-6258 has 2 manufacturer part numbers on file: 591KC114 (Mack Trucks Inc Parts Opn), 8332773 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 591KC114: FSC Application Data: 1. TRANSMISSION SHIFTER FORK; Second End Hole Diameter: 0.1560 INCHES NOMINAL IN; First End Diameter: 0.8725 INCHES MINIMUM AND 0.8755 INCHES MAXIMUM IN; Second End Diameter: 0.8725 INCHES MINIMUM AND 0.8755 INCHES MAXIMUM IN. 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.