The Gear,spur, cataloged under National Stock Number 3020-00-138-9197, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Southern Gear & Machine Inc. Government technical data includes 16 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. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-138-9197 |
| Primary Part Number | 255-43 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — No Item Name Available |
| Manufacturer | Southern Gear & Machine Inc |
| Status | ACTIVE |
| Style Designator | PROTRUDING HUB |
| Face Nominal Width | 0.125 INCHES IN |
| Nominal Outside Diameter | 0.702 INCHES IN |
| Bore Style | PLAIN BOTH ENDS |
| Surface Treatment | ANODIZE OVERALL |
| Material Document and Classification | QQ-A-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Material | ALUMINUM ALLOY 2024 OVERALL |
| Bore Nominal Diameter | 0.188 INCHES BOTH ENDS IN |
| Pressure Angle | 20.0000 DEGREES |
| Hub Style Designator | PINNED 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 |
| Tooth Form | STANDARD |
| Body Style | PLAIN, SOLID |
| Teeth Quantity | 43 |
| Pitch Diameter | 0.6708 INCHES MINIMUM AND 0.6718 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 3020-00-138-9197 is a Gear,spur, manufactured by Southern Gear & Machine Inc, classified under FSC 3020 (No Item Name Available). Status: active.
NSN 3020-00-138-9197 has 2 cross-referenced part numbers: 38392 (Northrop Grumman Systems Corp Dba Northrop Grumman Systems Corp), 255-43 (Southern Gear & Machine Inc).
There are 10 known substitutes for 3020-00-138-9197: 4210-00-033-2767, 5950-00-238-6338, 5840-00-320-8966 and 7 more. Verify interchangeability with system specifications before substitution.
Key specifications for 255-43: Style Designator: PROTRUDING HUB; Face Nominal Width: 0.125 INCHES IN; Nominal Outside Diameter: 0.702 INCHES IN; Bore Style: PLAIN BOTH ENDS. 16 total characteristics are documented in the Federal Logistics Information System.