The Collar,shaft, cataloged under National Stock Number 3040-01-549-1420, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Appleton Marine Inc. Government technical data includes 15 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 | 3040-01-549-1420 |
| Primary Part Number | AMD-1722PL ITEM 73 |
| Item Name | Collar,shaft |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Appleton Marine Inc |
| Status | ACTIVE |
| Counterbore Depth and Location | 0.2500 INCHES NOMINAL SINGLE HOLE IN |
| Countersink Major Diameter and Location | 0.2500 INCHES NOMINAL SINGLE HOLE IN |
| Securing Hole Type and Location | THREADED-COUNTERSUNK SINGLE HOLE |
| Screw Thread Quantity Per Inch and Location | 28 SINGLE HOLE |
| Style Designator | PLAIN ROUND |
| Screw Thread Series Designator and Location | SINGLE HOLE UN |
| Outside Diameter | 2.000 INCHES NOMINAL IN |
| Hole Diameter and Location | 0.2500 INCHES NOMINAL SINGLE HOLE IN |
| Nominal Thread Size | 0.250 INCHES SINGLE HOLE IN |
| Angle Between Centerlines of Securing Holes in Deg | 0.0 |
| Securing Hole Quantity | 1 |
| Bore Diameter | 1.0000 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING |
| Counterbore Diameter and Location | 0.2656 INCHES NOMINAL SINGLE HOLE IN |
| Thickness | 0.500 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 |
|---|---|
| AMD-1722PL ITEM 73 PRIMARY | Appleton Marine Inc (USA) |
| CSSC100 | Altra Industrial Motion Corp. (USA) |
NSN 3040-01-549-1420 is a Collar,shaft, manufactured by Appleton Marine Inc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-549-1420 has 2 manufacturer part numbers on file: AMD-1722PL ITEM 73 (Appleton Marine Inc), CSSC100 (Altra Industrial Motion Corp.).
Key specifications for AMD-1722PL ITEM 73: Counterbore Depth and Location: 0.2500 INCHES NOMINAL SINGLE HOLE IN; Countersink Major Diameter and Location: 0.2500 INCHES NOMINAL SINGLE HOLE IN; Securing Hole Type and Location: THREADED-COUNTERSUNK SINGLE HOLE; Screw Thread Quantity Per Inch and Location: 28 SINGLE HOLE. 15 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.