The Gear,spur, cataloged under National Stock Number 3020-00-138-3911, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Secs Inc. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-138-3911 |
| Primary Part Number | GC12-107P1 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — No Item Name Available |
| Manufacturer | Secs Inc |
| Status | ACTIVE |
| Attachment Method | CLAMP |
| Hub Nominal Diameter | 0.250 INCHES FIRST END IN |
| Pitch Diameter | 2.2282 INCHES MINIMUM AND 2.2292 INCHES MAXIMUM IN |
| Bore Nominal Diameter | 0.187 INCHES BOTH ENDS IN |
| Material | STEEL COMP 303 OVERALL |
| Tooth Form | STANDARD |
| Hub Style Designator | SPLIT FIRST END |
| Precision Classification | QUALITY NUMBER 10 OR QUALITY NUMBER 11 |
| Clamping Surface Nominal Length | 0.250 INCHES FIRST END IN |
| Style Designator | PROTRUDING HUB |
| Nominal Distance Between Body Face and Protruding Hub End | 0.281 INCHES FIRST END IN |
| Bore Style | PLAIN BOTH ENDS |
| Backlash Designation | GRADE C |
| Pressure Angle | 20.0000 DEGREES |
| Face Nominal Width | 0.125 INCHES IN |
| Material Document and Classification | QQ-S-764,TYPE 303,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Outside Diameter | 2.270 INCHES IN |
| Surface Treatment | PASSIVATE OVERALL |
| Body Style | PLAIN, SOLID |
| Teeth Quantity | 107 |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| GC12-107P1 PRIMARY | Secs Inc (USA) |
| M46S107 PRIMARY | Designatronics Inc Perfect Gear and Instrument Div (USA) |
| H57-107 PRIMARY | Roller Bearing Co of America, Inc Div Pic Design (USA) |
| GC-20 | Secs Inc (USA) |
| P21-107 | Designatronics Incorporated Div Sterling Instruments Div (USA) |
NSN 3020-00-138-3911 is a Gear,spur, manufactured by Secs Inc, classified under FSC 3020 (No Item Name Available). Status: active.
NSN 3020-00-138-3911 has 5 cross-referenced part numbers: GC12-107P1 (Secs Inc), M46S107 (Designatronics Inc Perfect Gear and Instrument Div), H57-107 (Roller Bearing Co of America, Inc Div Pic Design), GC-20 (Secs Inc), P21-107 (Designatronics Incorporated Div Sterling Instruments Div).
There is 1 known substitute for 3020-00-138-3911: 6530-01-209-3446. Verify interchangeability with system specifications before substitution.
Key specifications for GC12-107P1: Attachment Method: CLAMP; Hub Nominal Diameter: 0.250 INCHES FIRST END IN; Pitch Diameter: 2.2282 INCHES MINIMUM AND 2.2292 INCHES MAXIMUM IN; Bore Nominal Diameter: 0.187 INCHES BOTH ENDS IN. 20 total characteristics are documented in the Federal Logistics Information System.