The Gear,spur, cataloged under National Stock Number 3020-00-467-3852, 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 Ametek Inc Heat Transfer Div. Government technical data includes 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 3020-00-467-3852 |
| Primary Part Number | C20089 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Ametek Inc Heat Transfer Div |
| Status | ACTIVE |
| Teeth Quantity | 14 |
| Body Style | PLAIN, SOLID |
| Counterbore Nominal Diameter | 0.665 INCHES BOTH ENDS IN |
| Bore Style | STRAIGHT SPLINE BOTH ENDS |
| Style Designator | HUBLESS |
| Pitch Diameter | 0.8750 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Spline Quantity | 6 BOTH ENDS |
| Nominal Outside Diameter | 1.025 INCHES IN |
| Pressure Angle | 14.5000 DEGREES |
| Material | STEEL OVERALL |
| Counterbore Nominal Depth | 0.218 INCHES BOTH ENDS IN |
| Face Nominal Width | 1.250 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 |
| Part Number | Manufacturer |
|---|---|
| C20089 | Ametek Inc Heat Transfer Div (USA) |
| Reference | Meaning |
|---|---|
| 90634 | 3/9 Design control — primary reference Reliance Electric Industrial Co Master Div |
NSN 3020-00-467-3852 is a Gear,spur, manufactured by Ametek Inc Heat Transfer Div, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-467-3852 has 1 manufacturer part number on file: C20089 (Ametek Inc Heat Transfer Div).
2 possible matches (shared part number, not a government interchangeability claim): 5945-00-851-7908, 5365-01-283-3256. Verify interchangeability with system specifications before substitution.
Key specifications for C20089: Teeth Quantity: 14; Body Style: PLAIN, SOLID; Counterbore Nominal Diameter: 0.665 INCHES BOTH ENDS IN; Bore Style: STRAIGHT SPLINE BOTH ENDS. 13 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.