The Plate,retaining,shaft, cataloged under National Stock Number 3040-01-421-4688, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Mechanical Equipment Company, Inc. Dba Mechanical Equipment Co Inc. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-421-4688 |
| Primary Part Number | 1412480000 |
| Item Name | Plate,retaining,shaft |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Mechanical Equipment Company, Inc. Dba Mechanical Equipment Co Inc |
| Status | ACTIVE |
| Mounting Hole Quantity | 9 |
| Mounting Hole Diameter | 0.250 INCHES NOMINAL IN |
| Shape | ROUND |
| Outside Diameter | 6.500 INCHES NOMINAL IN |
| Aperture Diameter | 2.320 INCHES NOMINAL IN |
| Material | STEEL |
| Thickness | 0.743 INCHES MINIMUM AND 0.747 INCHES MAXIMUM 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 |
|---|---|
| 1412480000 PRIMARY | Mechanical Equipment Company, Inc. Dba Mechanical Equipment Co Inc (USA) |
| 1412472000REV H ITEM 47 | Mechanical Equipment Company, Inc. Dba Mechanical Equipment Co Inc (USA) |
| Reference | Meaning |
|---|---|
| 1412472000 | D/9 Drawing number reference only Mechanical Equipment Company, Inc. Dba Mechanical Equipment Co Inc |
NSN 3040-01-421-4688 is a Plate,retaining,shaft, manufactured by Mechanical Equipment Company, Inc. Dba Mechanical Equipment Co Inc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-421-4688 has 2 manufacturer part numbers on file: 1412480000 (Mechanical Equipment Company, Inc. Dba Mechanical Equipment Co Inc), 1412472000REV H ITEM 47 (Mechanical Equipment Company, Inc. Dba Mechanical Equipment Co Inc).
6 possible matches (shared part number, not a government interchangeability claim): 4310-01-421-4690, 4730-01-421-4695, 4310-01-421-5302. Verify interchangeability with system specifications before substitution.
Key specifications for 1412480000: Mounting Hole Quantity: 9; Mounting Hole Diameter: 0.250 INCHES NOMINAL IN; Shape: ROUND; Outside Diameter: 6.500 INCHES NOMINAL IN. 7 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.