The Gear,bevel, cataloged under National Stock Number 3020-00-587-6995, 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 Army, United States Department of the Dba Rock Island Arsenal Jmtc. Government technical data includes 23 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-587-6995 |
| Primary Part Number | 8426344 |
| Item Name | Gear,bevel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Army, United States Department of the Dba Rock Island Arsenal Jmtc |
| Status | ACTIVE |
| Bore Nominal Diameter | 1.414 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 1.875 INCHES SECOND END IN |
| Teeth Quantity | 36 |
| Surface Treatment Document and Classification | MIL-P-16232,TYPE Z,CLASS 1 MIL SPEC 1ST TREATMENT RESPONSE AND MIL-P-16232,TYPE M,CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Body Style | PLAIN, SOLID |
| Pitch Angle | 45.0000 DEGREES |
| Bore Style | INVOLUTE SPLINE BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.687 INCHES SECOND END IN |
| Teeth Type | STRAIGHT |
| Hardness Rating | 33.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL |
| Nominal Overall Length | 1.641 INCHES IN |
| Style Designator | PERIPHERAL FACE, BACK HUB PROTRUDING |
| Material Document and Classification | 66,AISI/SAE 1330H,8630H,4130H FED STD SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 4.5000 INCHES NOMINAL IN |
| Hub Style Designator | PLAIN SECOND END |
| Spline Quantity | 21 BOTH ENDS |
| Nominal Outside Diameter | 4.6770 INCHES IN |
| Surface Treatment | PHOSPHATE MANGANESE AND PHOSPHATE ZINC OVERALL |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL COMP 1330H AND STEEL COMP 8630H AND STEEL COMP 4130H OVERALL |
| Spline Pitch Diameter | 1.3125 INCHES NOMINAL BOTH ENDS IN |
| Body Recess Nominal Depth | 0.2660 INCHES FIRST END IN |
| Face Nominal Width | 1.000 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 |
| Part Number | Manufacturer |
|---|---|
| 8426344 PRIMARY | Army, United States Department of the Dba Rock Island Arsenal Jmtc (USA) |
NSN 3020-00-587-6995 is a Gear,bevel, manufactured by Army, United States Department of the Dba Rock Island Arsenal Jmtc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-587-6995 has 1 manufacturer part number on file: 8426344 (Army, United States Department of the Dba Rock Island Arsenal Jmtc).
Key specifications for 8426344: Bore Nominal Diameter: 1.414 INCHES BOTH ENDS IN; Hub Nominal Diameter: 1.875 INCHES SECOND END IN; Teeth Quantity: 36; Surface Treatment Document and Classification: MIL-P-16232,TYPE Z,CLASS 1 MIL SPEC 1ST TREATMENT RESPONSE AND MIL-P-16232,TYPE M,CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL. 23 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.