The Collar,shaft, cataloged under National Stock Number 3040-01-198-4505, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3040-01-198-4505 |
| Primary Part Number | 12333550 |
| Item Name | Collar,shaft |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Securing Hole Type and Location | THREADED ALL HOLES |
| Largest Diameter Length | 1.260 INCHES NOMINAL IN |
| Style Designator | ROUND W/DOUBLE CHAMFER |
| Material Document and Classification | QQ-A-225/8, ALLOY 6061, T6 FED SPEC SINGLE MATERIAL RESPONSE |
| Screw Thread Series Designator and Location | ALL HOLES UNIFIED NATIONAL COARSE (UNC) |
| Outside Diameter | 1.375 INCHES NOMINAL IN |
| Nominal Thread Size | 0.375 INCHES ALL HOLES IN |
| Angle Between Centerlines of Securing Holes in Deg | 75.0 |
| Securing Hole Quantity | 2 |
| Chamfer Angle in Deg | 45.0 |
| Bore Diameter | 0.7500 INCHES MINIMUM AND 0.8100 INCHES MAXIMUM IN |
| Material | ALUMINUM ALLOY 6061 |
| Thickness | 1.500 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 |
|---|---|
| 12333550 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| BML65486 | 5/9 Secondary reference Bae Systems Land & Armaments L.p. |
NSN 3040-01-198-4505 is a Collar,shaft, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-198-4505 has 1 manufacturer part number on file: 12333550 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12333550: Securing Hole Type and Location: THREADED ALL HOLES; Largest Diameter Length: 1.260 INCHES NOMINAL IN; Style Designator: ROUND W/DOUBLE CHAMFER; Material Document and Classification: QQ-A-225/8, ALLOY 6061, T6 FED SPEC SINGLE MATERIAL RESPONSE. 13 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.