The Pinion Gear,starter, cataloged under National Stock Number 2920-01-252-6244, is classified within Federal Supply Class 2920 (Engine Electrical System Components, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Marvco Tool & Manufacturing. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2920-01-252-6244 |
| Primary Part Number | 563.457 |
| Item Name | Pinion Gear,starter |
| FSC / FSG | 2920 / 29 — Engine Electrical System Components, Nonaircraft |
| Manufacturer | Marvco Tool & Manufacturing |
| Status | ACTIVE |
| General Characteristics Item Description | FLANGE MTD W/TWO MTG HOLES; PART OF ELECTRIC STARTER |
| 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 |
|---|---|
| 563.457 PRIMARY | Marvco Tool & Manufacturing (USA) |
| Reference | Meaning |
|---|---|
| 721 387 01 | 5/9 Secondary reference Marvco Tool & Manufacturing |
NSN 2920-01-252-6244 is a Pinion Gear,starter, manufactured by Marvco Tool & Manufacturing, classified under FSC 2920, Engine Electrical System Components, Nonaircraft. Status: active.
NSN 2920-01-252-6244 has 1 manufacturer part number on file: 563.457 (Marvco Tool & Manufacturing).
1 possible match (shared part number, not a government interchangeability claim): 5920-01-691-8636. Verify interchangeability with system specifications before substitution.
Key specifications for 563.457: General Characteristics Item Description: FLANGE MTD W/TWO MTG HOLES; PART OF ELECTRIC STARTER; End Item Identification: MARVCO TOOL AND MFG.,ACME DIESEL ENGINE,MODEL AD1200. 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.