The Gear,spur, cataloged under National Stock Number 3020-01-450-3885, 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 Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 21 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 | 3020-01-450-3885 |
| Primary Part Number | 1395AS1096 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| Hub Nominal Diameter | 0.870 INCHES FIRST END IN |
| Teeth Quantity | 20 |
| Body Style | PLAIN, WITH LIGHTENING HOLES |
| Bore Style | SERRATED BOTH ENDS |
| Mounting Hole Type and Quantity | 6 PLAIN AXIALLY THROUGH BODY SECOND END |
| Nominal Distance Between Body Face and Protruding Hub End | 0.170 INCHES FIRST END IN |
| Serration Pitch Diameter | 0.5938 INCHES NOMINAL BOTH ENDS IN |
| Mounting Hole Nominal Diameter | 0.130 INCHES AXIALLY THROUGH BODY SECOND END IN |
| Style Designator | PROTRUDING HUB |
| Material Document and Classification | ASTM-A322 FED SPEC 1ST MATERIAL RESPONSE OR ASTM-A331 FED SPEC 2ND MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 3.3333 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Hub Style Designator | PLAIN FIRST END |
| Nominal Outside Diameter | 3.750 INCHES IN |
| Serration Quantity | 18 BOTH ENDS |
| Surface Treatment | PHOSPHATE OVERALL |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL OVERALL |
| Bolt Hole Circle Nominal Diameter | 2.712 INCHES AXIALLY THROUGH BODY SECOND END IN |
| Attachment Method | MOUNTING HOLE |
| Face Nominal Width | 0.300 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 |
|---|---|
| 1395AS1096 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
NSN 3020-01-450-3885 is a Gear,spur, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-450-3885 has 1 manufacturer part number on file: 1395AS1096 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
Key specifications for 1395AS1096: Hub Nominal Diameter: 0.870 INCHES FIRST END IN; Teeth Quantity: 20; Body Style: PLAIN, WITH LIGHTENING HOLES; Bore Style: SERRATED BOTH ENDS. 21 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.