The Plate,retaining,shaft, cataloged under National Stock Number 3040-01-080-6521, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Grimes Aerospace Company. Government technical data includes 6 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 | 3040-01-080-6521 |
| Primary Part Number | 12976-1 |
| Item Name | Plate,retaining,shaft |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Grimes Aerospace Company |
| Status | ACTIVE |
| Mounting Hole Quantity | 2 |
| Mounting Hole Diameter | 0.217 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN |
| Shape | SQUARE |
| Aperture Diameter | 0.437 INCHES MINIMUM AND 0.442 INCHES MAXIMUM IN |
| Material | ALUMINUM ALLOY |
| Thickness | 0.064 INCHES MINIMUM 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 |
|---|---|
| 12976-1 PRIMARY | Grimes Aerospace Company (USA) |
NSN 3040-01-080-6521 is a Plate,retaining,shaft, manufactured by Grimes Aerospace Company, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-080-6521 has 1 manufacturer part number on file: 12976-1 (Grimes Aerospace Company).
Key specifications for 12976-1: Mounting Hole Quantity: 2; Mounting Hole Diameter: 0.217 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN; Shape: SQUARE; Overall Length: 1.031 INCHES MINIMUM AND 1.093 INCHES MAXIMUM IN. 6 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.