The Gear,spur, cataloged under National Stock Number 3020-01-029-7887, 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 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 8 manufacturers, 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 | 3020-01-029-7887 |
| Primary Part Number | G2-138 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — No Item Name Available |
| Manufacturer | Roller Bearing Co of America, Inc Div Pic Design |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-A-8625,TYPE 1 MIL SPEC SINGLE TREATMENT RESPONSE HUB |
| Style Designator | PROTRUDING HUB |
| Tooth Form | STANDARD |
| Furnished Items and Quantity | 1 SETSCREW |
| Hub Style Designator | PINNED FIRST END |
| Surface Treatment Document and Classification | MIL-A-8625,TYPE 1 MIL SPEC SINGLE TREATMENT RESPONSE BODY |
| Nominal Outside Diameter | 2.917 INCHES IN |
| Material Document and Classification | QQ-A-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Surface Treatment | ANODIZE HUB |
| Hub Nominal Diameter | 0.375 INCHES FIRST END IN |
| Material | ALUMINUM ALLOY 2024 OVERALL |
| Pressure Angle | 20.0000 DEGREES |
| Face Nominal Width | 0.125 INCHES IN |
| Surface Treatment | ANODIZE BODY |
| Body Style | PLAIN, SOLID |
| Teeth Quantity | 138 |
| Pitch Diameter | 2.8750 INCHES NOMINAL IN |
| Bore Nominal Diameter | 0.187 INCHES BOTH ENDS IN |
| Nominal Distance Between Body Face and Protruding Hub End | 0.218 INCHES FIRST END IN |
| Bore Style | PLAIN BOTH ENDS |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| G2-138 PRIMARY | Roller Bearing Co of America, Inc Div Pic Design (USA) |
| E21A-138 | Designatronics Incorporated Div Sterling Instruments Div (USA) |
| DG2T138 | Allied Devices Corp Dba Absolute Precision Co (USA) |
| C46A-138 PRIMARY | Designatronics Inc Perfect Gear and Instrument Div (USA) |
| 44-0027-2 | Airco Republic Electronics, Inc. Div the Aeronautical Instrument & Radio Co (USA) |
| 44-0027-2 | The Aeronautical Instrument and Radio Company Dba the Aeronautical Instrument and Radio Company Div the Aeronautical Instrument and (USA) |
| 44-0027 | Airco Republic Electronics, Inc. Div the Aeronautical Instrument & Radio Co (USA) |
| GP21-138 PRIMARY | Secs Inc (USA) |
| P48A19-138 | W. M. Berg, Inc. (USA) |
NSN 3020-01-029-7887 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 3020-01-029-7887 has 9 cross-referenced part numbers: G2-138 (Roller Bearing Co of America, Inc Div Pic Design), E21A-138 (Designatronics Incorporated Div Sterling Instruments Div), DG2T138 (Allied Devices Corp Dba Absolute Precision Co), C46A-138 (Designatronics Inc Perfect Gear and Instrument Div), 44-0027-2 (Airco Republic Electronics, Inc. Div the Aeronautical Instrument & Radio Co) and 4 more.
There are 2 known substitutes for 3020-01-029-7887: 5962-00-865-4625, 4510-01-179-6573. Verify interchangeability with system specifications before substitution.
Key specifications for G2-138: Surface Treatment Document and Classification: MIL-A-8625,TYPE 1 MIL SPEC SINGLE TREATMENT RESPONSE HUB; Style Designator: PROTRUDING HUB; Tooth Form: STANDARD; Furnished Items and Quantity: 1 SETSCREW. 21 total characteristics are documented in the Federal Logistics Information System.