The Gear,worm Wheel, cataloged under National Stock Number 3020-00-616-7301, 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 26 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 | 3020-00-616-7301 |
| Primary Part Number | 6167301 |
| Item Name | Gear,worm Wheel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Army, United States Department of the Dba Rock Island Arsenal Jmtc |
| Status | ACTIVE |
| Nominal Width Across Flats | 1.438 INCHES BOTH ENDS IN |
| Helix Angle | 2.9331 DEGREES |
| Hub Nominal Diameter | 2.500 INCHES BOTH ENDS IN |
| Nominal Distance Between Body Face and Recessed Hub End | 0.374 INCHES SECOND END IN |
| Teeth Quantity | 20 |
| Surface Treatment Document and Classification | MIL-P-16232,TY M,CL 1 MIL SPEC 1ST TREATMENT RESPONSE AND MIL-P-16232,TY Z,CL 1 MIL SPEC 2ND TREATMENT RESPONSE OVERALL |
| Body Style | WEBBED, SOLID |
| Tooth Direction | LEFT |
| Bore Style | HEX BOTH ENDS |
| Mounting Hole Type and Quantity | 2 PLAIN TRANSVERSELY THROUGH HUB FIRST END |
| Nominal Distance Between Body Face and Protruding Hub End | 0.580 INCHES FIRST END IN |
| Throat Nominal Radius | 1.135 INCHES IN |
| Face Type | CONCAVE |
| Mounting Hole Nominal Diameter | 0.124 INCHES TRANSVERSELY THROUGH HUB FIRST END IN |
| Hardness Rating | 33.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL |
| Style Designator | ONE PROTRUDING HUB, ONE RECESSED HUB |
| Material Document and Classification | QQ-S-624 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 4.7696 INCHES MINIMUM AND 4.7746 INCHES MAXIMUM IN |
| Hub Style Designator | PLAIN BOTH ENDS |
| Nominal Outside Diameter | 5.488 INCHES IN |
| Surface Treatment | PHOSPHATE OVERALL |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL COMP 4340 OVERALL |
| Bolt Hole Circle Nominal Diameter | 1.750 INCHES TRANSVERSELY THROUGH HUB FIRST END IN |
| Attachment Method | MOUNTING HOLE |
| Face Nominal Width | 2.032 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 |
|---|---|
| 6167301 PRIMARY | Army, United States Department of the Dba Rock Island Arsenal Jmtc (USA) |
NSN 3020-00-616-7301 is a Gear,worm Wheel, 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 3020-00-616-7301 has 1 manufacturer part number on file: 6167301 (Army, United States Department of the Dba Rock Island Arsenal Jmtc).
Key specifications for 6167301: Nominal Width Across Flats: 1.438 INCHES BOTH ENDS IN; Helix Angle: 2.9331 DEGREES; Hub Nominal Diameter: 2.500 INCHES BOTH ENDS IN; Nominal Distance Between Body Face and Recessed Hub End: 0.374 INCHES SECOND END IN. 26 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.