The Gear,spur, cataloged under National Stock Number 3020-00-433-2166, 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 L3harris Technologies, Inc Div Space & Airborne Systems. Government technical data includes 20 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. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-433-2166 |
| Primary Part Number | 102642 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | L3harris Technologies, Inc Div Space & Airborne Systems |
| Status | ACTIVE |
| Bore Nominal Diameter | 1.996 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 2.625 INCHES BOTH ENDS IN |
| Nominal Distance Between Body Face and Recessed Hub End | 0.281 INCHES SECOND END IN |
| Teeth Quantity | 75 |
| Body Style | WEBBED, OFFSET, SOLID |
| Bore Style | INVOLUTE SPLINE BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.437 INCHES FIRST END IN |
| Precision Classification | QUALITY NUMBER 9 |
| Hardness Rating | 34.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM OVERALL |
| Style Designator | ONE PROTRUDING HUB, ONE RECESSED HUB |
| Material Document and Classification | MIL-S-5000,COND C MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 7.5000 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Hub Style Designator | PLAIN BOTH ENDS |
| Spline Quantity | 46 BOTH ENDS |
| Nominal Outside Diameter | 7.699 INCHES IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL OVERALL |
| Spline Pitch Diameter | 1.9167 INCHES MINIMUM AND 1.9176 INCHES MAXIMUM BOTH ENDS IN |
| Face Nominal Width | 0.625 INCHES IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 102642 PRIMARY | L3harris Technologies, Inc Div Space & Airborne Systems (USA) |
NSN 3020-00-433-2166 is a Gear,spur, manufactured by L3harris Technologies, Inc Div Space & Airborne Systems, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-433-2166 has 1 manufacturer part number on file: 102642 (L3harris Technologies, Inc Div Space & Airborne Systems).
3 possible matches (shared part number, not a government interchangeability claim): 8145-00-529-8585, 5895-00-868-3189, 5340-01-367-6409. Verify interchangeability with system specifications before substitution.
Key specifications for 102642: Bore Nominal Diameter: 1.996 INCHES BOTH ENDS IN; Hub Nominal Diameter: 2.625 INCHES BOTH ENDS IN; Nominal Distance Between Body Face and Recessed Hub End: 0.281 INCHES SECOND END IN; Teeth Quantity: 75. 20 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 3020-00-433-2166 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.