The Gear,helical, cataloged under National Stock Number 3020-00-021-7587, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Mcdonnell Douglas Corp Mcdonnell Douglas Electronic Systems Co. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-021-7587 |
| Primary Part Number | 53-87912-1 |
| Item Name | Gear,helical |
| FSC / FSG | 3020 / 30 — No Item Name Available |
| Manufacturer | Mcdonnell Douglas Corp Mcdonnell Douglas Electronic Systems Co |
| Status | ACTIVE |
| Pitch Diameter | 0.4170 INCHES NOMINAL IN |
| Face Nominal Width | 0.1920 INCHES IN |
| Nominal Outside Diameter | 0.4700 INCHES IN |
| Material Document and Classification | QQ-B-626,COMP 22 FED SPEC 2ND MATERIAL RESPONSE HUB |
| Body Style | PLAIN, SOLID |
| Pressure Angle | 25.0000 DEGREES |
| Material | COPPER HUB |
| Bore Nominal Diameter | 0.0700 INCHES BOTH ENDS IN |
| Helix Angle | 14.0333 DEGREES |
| Bore Style | PLAIN BOTH ENDS |
| Material | PLASTIC POLYAMIDE NYLON BODY |
| Nominal Distance Between Body Face and Protruding Hub End | 0.178 INCHES BOTH ENDS IN |
| Tooth Form | STANDARD |
| Teeth Type | SINGLE HELIX |
| Style Designator | PROTRUDING HUB |
| Teeth Quantity | 20 |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 53-87912-1 | Mcdonnell Douglas Corp Mcdonnell Douglas Electronic Systems Co (USA) |
| 53-87912 | Mcdonnell Douglas Corp Mcdonnell Douglas Electronic Systems Co (USA) |
| 6322-1 | Klauber Machinery Co Inc (USA) |
NSN 3020-00-021-7587 is a Gear,helical, manufactured by Mcdonnell Douglas Corp Mcdonnell Douglas Electronic Systems Co, classified under FSC 3020 (No Item Name Available). Status: active.
NSN 3020-00-021-7587 has 3 cross-referenced part numbers: 53-87912-1 (Mcdonnell Douglas Corp Mcdonnell Douglas Electronic Systems Co), 53-87912 (Mcdonnell Douglas Corp Mcdonnell Douglas Electronic Systems Co), 6322-1 (Klauber Machinery Co Inc).
There are 5 known substitutes for 3020-00-021-7587: 6220-00-078-6021, 5910-00-901-6512, 5325-01-240-6828 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for 53-87912-1: Pitch Diameter: 0.4170 INCHES NOMINAL IN; Face Nominal Width: 0.1920 INCHES IN; Nominal Outside Diameter: 0.4700 INCHES IN; Material Document and Classification: QQ-B-626,COMP 22 FED SPEC 2ND MATERIAL RESPONSE HUB. 16 total characteristics are documented in the Federal Logistics Information System.