The Detent Plate, cataloged under National Stock Number 3040-01-059-5479, 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 1 specification, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-059-5479 |
| Primary Part Number | 12266237-4 |
| Item Name | Detent Plate |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Material | STEEL CORROSION RESISTING |
| 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 |
|---|---|
| 12266237-4 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 12266237-4 | 3/2 Design control — primary reference U.S. Government activity |
| 12266237-4 | 3/9 Design control — primary reference Drs Sustainment Systems, Inc. |
| 676736-4 | 5/9 Secondary reference Drs Sustainment Systems, Inc. |
NSN 3040-01-059-5479 is a Detent Plate, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-059-5479 has 1 manufacturer part number on file: 12266237-4 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12266237-4: Overall Length: 8.000 INCHES MINIMUM AND 8.040 INCHES MAXIMUM IN; Special Features: RIGHT SIDE CUT TO 25.0 DEG;LEFT SIDE CUT TO 55.0 DEG;5 DRILLED HOLES 0.250 DIA PILOT THRU FOR 0.4375 CLOSE TOLERANCE; Material: STEEL CORROSION RESISTING. 1 specification is 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.