The Gear,spur, cataloged under National Stock Number 3020-00-020-1278, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Raytheon Company Dba Raytheon. Government technical data includes 23 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-020-1278 |
| Primary Part Number | 400772-1 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — No Item Name Available |
| Manufacturer | Raytheon Company Dba Raytheon |
| Status | ACTIVE |
| Pitch Diameter | 0.3750 INCHES NOMINAL IN |
| Nominal Thread Size | 0.086 INCHES FIRST END IN |
| Surface Treatment | PASSIVATE OVERALL |
| Hub Style Designator | PINNED FIRST END |
| Mounting Hole Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) TRANSVERSELY THROUGH HUB FIRST END |
| Nominal Distance Between Body Face and Protruding Hub End | 0.250 INCHES FIRST END IN |
| Hub Nominal Diameter | 0.375 INCHES FIRST END IN |
| Mounting Hole Type and Quantity | 1 THREADED TRANSVERSELY THROUGH HUB FIRST END |
| Precision Classification | QUALITY NUMBER 10 OR QUALITY NUMBER 11 |
| Pressure Angle | 14.5000 DEGREES |
| Mounting Hole Thread Quantity Per Inch | 56 TRANSVERSELY THROUGH HUB FIRST END |
| Nominal Overall Length | 0.375 INCHES IN |
| Material | STEEL CORROSION RESISTING OVERALL |
| Face Nominal Width | 0.125 INCHES IN |
| Style Designator | PROTRUDING HUB |
| Mounting Hole Nominal Thread Size | 0.086 INCHES AXIALLY THROUGH BODY FIRST END IN |
| Nominal Outside Diameter | 0.406 INCHES IN |
| Bore Style | PLAIN FIRST END |
| Tooth Form | STANDARD |
| Bore Nominal Diameter | 0.188 INCHES BOTH ENDS IN |
| Teeth Quantity | 24 |
| Attachment Method | MOUNTING HOLE |
| Body Style | PLAIN, SOLID |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 3020-00-020-1278 is a Gear,spur, manufactured by Raytheon Company Dba Raytheon, classified under FSC 3020 (No Item Name Available). Status: active.
NSN 3020-00-020-1278 has 2 cross-referenced part numbers: 400772-1 (Raytheon Company Dba Raytheon), 205-24 (Southern Gear & Machine Inc).
There are 6 known substitutes for 3020-00-020-1278: 3810-00-462-0342, 5315-00-990-8297, 1660-01-166-9357 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for 400772-1: Pitch Diameter: 0.3750 INCHES NOMINAL IN; Nominal Thread Size: 0.086 INCHES FIRST END IN; Surface Treatment: PASSIVATE OVERALL; Hub Style Designator: PINNED FIRST END. 23 total characteristics are documented in the Federal Logistics Information System.