The Gear,spur, cataloged under National Stock Number 3020-00-221-8752, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Roller Bearing Co of America, Inc Div Pic Design. Government technical data includes 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-221-8752 |
| Primary Part Number | H4-34 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — No Item Name Available |
| Manufacturer | Roller Bearing Co of America, Inc Div Pic Design |
| Status | ACTIVE |
| Body Style | PLAIN, SOLID |
| Nominal Outside Diameter | 0.562 INCHES IN |
| Bore Nominal Diameter | 0.187 INCHES BOTH ENDS IN |
| Pitch Diameter | 0.5302 INCHES MINIMUM AND 0.5312 INCHES MAXIMUM IN |
| Style Designator | PROTRUDING HUB |
| Hub Style Designator | 1 STEP FIRST END |
| Pressure Angle | 20.0000 DEGREES |
| Nominal Overall Length | 0.406 INCHES IN |
| End Nominal Diameter | 0.249 INCHES FIRST END IN |
| First Step Nominal Length | 0.031 INCHES FIRST END IN |
| Teeth Quantity | 34 |
| Nominal Distance Between Body Face and Protruding Hub End | 0.281 INCHES FIRST END IN |
| Surface Treatment | ANODIZE OVERALL |
| Material Document and Classification | QQ-A-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Face Nominal Width | 0.125 INCHES IN |
| Attachment Method | CLAMP |
| Material | ALUMINUM ALLOY 2024 OVERALL |
| End Nominal Length | 0.250 INCHES FIRST END IN |
| First Step Nominal Diameter | 0.313 INCHES FIRST END IN |
| Tooth Form | STANDARD |
| Bore Style | PLAIN BOTH ENDS |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| H4-34 PRIMARY | Roller Bearing Co of America, Inc Div Pic Design (USA) |
NSN 3020-00-221-8752 is a Gear,spur, manufactured by Roller Bearing Co of America, Inc Div Pic Design, classified under FSC 3020 (No Item Name Available). Status: active.
NSN 3020-00-221-8752 has 1 cross-referenced part number: H4-34 (Roller Bearing Co of America, Inc Div Pic Design).
There are 2 known substitutes for 3020-00-221-8752: 4520-00-533-7830, 5310-00-719-5570. Verify interchangeability with system specifications before substitution.
Key specifications for H4-34: Body Style: PLAIN, SOLID; Nominal Outside Diameter: 0.562 INCHES IN; Bore Nominal Diameter: 0.187 INCHES BOTH ENDS IN; Pitch Diameter: 0.5302 INCHES MINIMUM AND 0.5312 INCHES MAXIMUM IN. 22 total characteristics are documented in the Federal Logistics Information System.