The Gear,spur, cataloged under National Stock Number 3020-00-229-6942, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Designatronics Incorporated Div Sterling Instruments Div. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-229-6942 |
| Primary Part Number | B21-24 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — No Item Name Available |
| Manufacturer | Designatronics Incorporated Div Sterling Instruments Div |
| Status | ACTIVE |
| Body Style | PLAIN, SOLID |
| Material Document and Classification | MIL-S-7720 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Teeth Quantity | 24 |
| Bore Style | PLAIN BOTH ENDS |
| Style Designator | PROTRUDING HUB |
| Backlash Designation | GRADE C |
| Surface Treatment | PASSIVATE OVERALL |
| Nominal Overall Length | 0.312 INCHES IN |
| Hub Nominal Diameter | 0.312 INCHES FIRST END IN |
| Precision Classification | QUALITY NUMBER 10 |
| Nominal Outside Diameter | 0.541 INCHES IN |
| Pressure Angle | 20.0000 DEGREES |
| Tooth Form | STANDARD |
| Face Nominal Width | 0.125 INCHES IN |
| Pitch Diameter | 0.4990 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN |
| Hub Style Designator | PINNED FIRST END |
| Material | STEEL COMP 303S OR STEEL COMP 303SE OVERALL |
| Bore Nominal Diameter | 0.125 INCHES BOTH ENDS IN |
| Nominal Distance Between Body Face and Protruding Hub End | 0.187 INCHES FIRST END IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| B21-24 PRIMARY | Designatronics Incorporated Div Sterling Instruments Div (USA) |
| 75-805390-1 | General Dynamics Advanced Information Systems Inc. Dba General Dynamics Advanced Information Systems (USA) |
| GP18-24P1 PRIMARY | Secs Inc (USA) |
| A200-24P1 | Continental Gear Co (USA) |
| 10669698-1 | Us Army Aviation and Missile Command (USA) |
NSN 3020-00-229-6942 is a Gear,spur, manufactured by Designatronics Incorporated Div Sterling Instruments Div, classified under FSC 3020 (No Item Name Available). Status: active.
NSN 3020-00-229-6942 has 5 cross-referenced part numbers: B21-24 (Designatronics Incorporated Div Sterling Instruments Div), 75-805390-1 (General Dynamics Advanced Information Systems Inc. Dba General Dynamics Advanced Information Systems), GP18-24P1 (Secs Inc), A200-24P1 (Continental Gear Co), 10669698-1 (Us Army Aviation and Missile Command).
There are 4 known substitutes for 3020-00-229-6942: 3110-00-902-1641, 3110-00-935-5613, 3110-01-273-9910 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for B21-24: Body Style: PLAIN, SOLID; Material Document and Classification: MIL-S-7720 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Teeth Quantity: 24; Bore Style: PLAIN BOTH ENDS. 20 total characteristics are documented in the Federal Logistics Information System.