The Collar,shaft, cataloged under National Stock Number 3040-00-618-6549, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Us Army Aviation and Missile Command. Government technical data includes 17 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-618-6549 |
| Primary Part Number | 8529598 |
| Item Name | Collar,shaft |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| Surface Finish | 125 MICROINCHES INSIDE PERIPHERY |
| Surface Finish | 125 MICROINCHES BOTH BEARING FLATS |
| Surface Finish | 125 MICROINCHES SMALLEST OUTSIDE PERIPHERY |
| Securing Hole Type and Location | THREADED ALL HOLES |
| Largest Diameter Length | 0.375 INCHES NOMINAL IN |
| Style Designator | ROUND STEPPED |
| Material Document and Classification | QQ-S-637, COMP B1113 FED SPEC SINGLE MATERIAL RESPONSE |
| Screw Thread Series Designator and Location | ALL HOLES UNIFIED NATIONAL COARSE (UNC) |
| Outside Diameter | 1.500 INCHES NOMINAL IN |
| Nominal Thread Size | 0.164 INCHES ALL HOLES IN |
| Angle Between Centerlines of Securing Holes in Deg | 90.0 |
| Small End Diameter | 0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN |
| Securing Hole Quantity | 2 |
| Surface Treatment | CADMIUM |
| Bore Diameter | 0.2500 INCHES MINIMUM AND 0.2540 INCHES MAXIMUM IN |
| Material | STEEL COMP 1213 |
| Thickness | 0.687 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 |
|---|---|
| 8529598 PRIMARY | Us Army Aviation and Missile Command (USA) |
NSN 3040-00-618-6549 is a Collar,shaft, manufactured by Us Army Aviation and Missile Command, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-618-6549 has 1 manufacturer part number on file: 8529598 (Us Army Aviation and Missile Command).
Key specifications for 8529598: Surface Finish: 125 MICROINCHES INSIDE PERIPHERY; Surface Finish: 125 MICROINCHES BOTH BEARING FLATS; Surface Finish: 125 MICROINCHES SMALLEST OUTSIDE PERIPHERY; Securing Hole Type and Location: THREADED ALL HOLES. 17 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.