The Gear,internal, cataloged under National Stock Number 3020-00-962-5852, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 20 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3020-00-962-5852 |
| Item Name | Gear,internal |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.2580 INCHES BOTH ENDS IN |
| Teeth Quantity | 11 |
| Body Style | PLAIN, SOLID |
| Pitch Angle | 96.0000 DEGREES |
| Bore Style | INVOLUTE SPLINE BOTH ENDS |
| Teeth Type | SPUR |
| Hardness Rating | 34.0 ROCKWELL C NOMINAL OVERALL |
| Nominal Overall Length | 0.154 INCHES IN |
| Style Designator | RECESSED RING |
| Material Document and Classification | MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 0.2290 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Spline Quantity | 11 BOTH ENDS |
| Nominal Outside Diameter | 0.3980 INCHES IN |
| Pressure Angle | 45.0000 DEGREES |
| Material | STEEL COMP 4130 OVERALL |
| Body Recess Nominal Diameter | 0.2650 INCHES FIRST END IN |
| Spline Pitch Diameter | 0.2290 INCHES NOMINAL BOTH ENDS IN |
| Body Recess Nominal Depth | 0.0240 INCHES FIRST END IN |
| Face Nominal Width | 0.037 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 |
| Reference | Meaning |
|---|---|
| 57906 | C/1 Advisory reference — outside the item-of-supply concept Setra Systems, Inc. Dba Gems Sensors |
| 57906 | 5/9 Secondary reference U.S. Government activity |
| 4057-906000 | 3/2 Design control — primary reference U.S. Government activity |
| 57906 | 5/9 Secondary reference U.S. Government activity |
NSN 3020-00-962-5852 is a Gear,internal, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 6150-01-120-1502. Verify interchangeability with system specifications before substitution.
Key specifications for 3020-00-962-5852: Bore Nominal Diameter: 0.2580 INCHES BOTH ENDS IN; Teeth Quantity: 11; Body Style: PLAIN, SOLID; Pitch Angle: 96.0000 DEGREES. 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 3020-00-962-5852 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.