The Gear,bevel, cataloged under National Stock Number 3020-01-117-5300, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) 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 18 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-117-5300 |
| Primary Part Number | 12292578 |
| Item Name | Gear,bevel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Teeth Quantity | 30 |
| Surface Treatment Document and Classification | MIL-P-16232,TYPE M CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Body Style | PLAIN, SOLID |
| Pitch Angle | 90.0000 DEGREES |
| Tooth Direction | RIGHT |
| Bore Style | W/ KEYWAY BOTH ENDS |
| Precision Classification | QUALITY NUMBER 7 |
| Teeth Type | STRAIGHT |
| Hardness Rating | 32.0 ROCKWELL C MINIMUM AND 36.0 ROCKWELL C MAXIMUM OVERALL |
| Nominal Overall Length | 0.444 INCHES IN |
| Style Designator | PERIPHERAL FACE, HUBLESS |
| Pitch Diameter | 1.0431 INCHES NOMINAL IN |
| Nominal Outside Diameter | 1.0431 INCHES IN |
| Nominal Distance From Bore Center to Keyway Bottom | 0.2330 INCHES BOTH ENDS IN |
| Surface Treatment | PHOSPHATE MANGANESE OVERALL |
| Material | STEEL COMP 4140 OVERALL |
| Body Recess Nominal Depth | 0.0940 INCHES FIRST END IN |
| Face Nominal Width | 0.312 INCHES IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 3020-01-117-5300 is a Gear,bevel, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-117-5300 has 2 manufacturer part numbers on file: 12292578 (Birchwood Laboratories Llc), 12292578 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12292578: Teeth Quantity: 30; Surface Treatment Document and Classification: MIL-P-16232,TYPE M CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Body Style: PLAIN, SOLID; Pitch Angle: 90.0000 DEGREES. 18 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.