The Gear,bevel, cataloged under National Stock Number 3020-00-774-4672, 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 27 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. 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 | 3020-00-774-4672 |
| Primary Part Number | 7744672 |
| 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 |
| Bore Nominal Diameter | 1.194 INCHES BOTH ENDS IN |
| Teeth Quantity | 18 |
| Body Style | PLAIN, SOLID |
| Counterbore Nominal Diameter | 1.2500 INCHES FIRST END IN |
| Pitch Angle | 35.7539 DEGREES |
| Bore Style | INVOLUTE SPLINE BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.960 INCHES SECOND END IN |
| Teeth Type | STRAIGHT |
| Hardness Rating | 58.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM OVERALL |
| Nominal Overall Length | 1.596 INCHES IN |
| Style Designator | PERIPHERAL FACE, BACK HUB PROTRUDING |
| Bore Nominal Depth | 1.471 INCHES BOTH ENDS IN |
| Material Document and Classification | QQ-S-624 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 1.8000 INCHES NOMINAL IN |
| Hub Style Designator | 1 GROOVE SECOND END |
| Spline Quantity | 27 BOTH ENDS |
| Nominal Outside Diameter | 1.9980 INCHES IN |
| Nominal Distance From End to First Groove | 0.460 INCHES SECOND END IN |
| End Nominal Diameter | 1.559 INCHES SECOND END IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL COMP 8615 OVERALL |
| First Groove Nominal Diameter | 1.517 INCHES SECOND END IN |
| Counterbore Nominal Depth | 1.151 INCHES FIRST END IN |
| First Groove Nominal Width | 0.120 INCHES SECOND END IN |
| Spline Pitch Diameter | 1.1250 INCHES NOMINAL BOTH ENDS IN |
| Body Recess Nominal Depth | 0.1250 INCHES FIRST END IN |
| Face Nominal Width | 0.250 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 3020-00-774-4672 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 3020-00-774-4672 has 2 manufacturer part numbers on file: 516103 (Renk America Llc Div Renk America), 7744672 (U S Army Tank Automotive Command Amsta-Im-Mm).
1 possible match (shared part number, not a government interchangeability claim): 5315-01-185-8517. Verify interchangeability with system specifications before substitution.
Key specifications for 7744672: Bore Nominal Diameter: 1.194 INCHES BOTH ENDS IN; Teeth Quantity: 18; Body Style: PLAIN, SOLID; Counterbore Nominal Diameter: 1.2500 INCHES FIRST END IN. 27 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.