The Gear Assembly,speed Decreaser, cataloged under National Stock Number 3010-00-563-5440, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) 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 10 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3010-00-563-5440 |
| Primary Part Number | 8337231 |
| Item Name | Gear Assembly,speed Decreaser |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Input Shaft Quantity | 1 |
| Design Type | SINGLE REDUCTION |
| Gear Type | HELICAL |
| Criticality Code Justification | FEAT |
| Lubrication System | PREGREASED |
| Input Shaft Type | QUILL |
| Shaft Position | OUTPUT SHAFT AT 90 DEGREE ANGULAR RELATIONSHIP TO INPUT SHAFT |
| Total Ratio | 1.00 TO 0.687 |
| Output Shaft Type | QUILL |
| Output Shaft Quantity | 1 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 8337231 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 1581766 | 5/9 Secondary reference General Motors Llc Dba General Motors |
| 3010005635440 | 5/9 Secondary reference E.c.a Etablissement Centrald'approvisionnement Des Forces Armee |
| 8337231 | 5/9 Secondary reference Norma Pennsylvania Inc. Div Breeze Industrial Products |
| 8337231 | 5/9 Secondary reference General Dynamics Land Systems Inc. |
| 1581766 | 5/9 Secondary reference General Motors Corp |
NSN 3010-00-563-5440 is a Gear Assembly,speed Decreaser, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-00-563-5440 has 1 manufacturer part number on file: 8337231 (U S Army Tank Automotive Command Amsta-Im-Mm).
1 possible match (shared part number, not a government interchangeability claim): 6530-01-690-9623. Verify interchangeability with system specifications before substitution.
Key specifications for 8337231: Input Shaft Quantity: 1; Design Type: SINGLE REDUCTION; Gear Type: HELICAL; Criticality Code Justification: FEAT. 10 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.
NSN 3010-00-563-5440 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.