The Collar,shaft, cataloged under National Stock Number 3040-00-692-6281, 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 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 | 3040-00-692-6281 |
| Primary Part Number | 297KB19 |
| Item Name | Collar,shaft |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Mack Trucks Inc Parts Opn |
| Status | ACTIVE |
| Securing Hole Type and Location | UNTHREADED ALL HOLES |
| Largest Diameter Length | 0.312 INCHES NOMINAL IN |
| Style Designator | ROUND W/SINGLE CHAMFER |
| Material Document and Classification | QQ-S-624-CANCELED FED SPEC SINGLE MATERIAL RESPONSE |
| Outside Diameter | 2.500 INCHES NOMINAL IN |
| Hole Diameter and Location | 0.3910 INCHES NOMINAL ALL HOLES IN |
| Angle Between Centerlines of Securing Holes in Deg | 90.0 |
| Securing Hole Quantity | 4 |
| Chamfer Angle in Deg | 45.0 |
| Material | STEEL |
| Thickness | 0.562 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 3040-00-692-6281 is a Collar,shaft, manufactured by Mack Trucks Inc Parts Opn, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-692-6281 has 2 manufacturer part numbers on file: 8332940 (U S Army Tank Automotive Command Amsta-Im-Mm), 297KB19 (Mack Trucks Inc Parts Opn).
Key specifications for 297KB19: Securing Hole Type and Location: UNTHREADED ALL HOLES; Largest Diameter Length: 0.312 INCHES NOMINAL IN; Style Designator: ROUND W/SINGLE CHAMFER; Material Document and Classification: QQ-S-624-CANCELED FED SPEC 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.