The Gear,spur, cataloged under National Stock Number 3020-00-155-4313, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Smallwood and Son Machine Co. 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-155-4313 |
| Primary Part Number | 4820-25SH1250 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — No Item Name Available |
| Manufacturer | Smallwood and Son Machine Co |
| Status | ACTIVE |
| Teeth Quantity | 25 |
| Body Style | PLAIN, SOLID |
| Precision Classification | QUALITY NUMBER 10 |
| Tooth Form | STANDARD |
| Nominal Distance Between Body Face and Protruding Hub End | 0.250 INCHES FIRST END IN |
| Material | STEEL COMP 303 OVERALL |
| Pitch Diameter | 0.5208 INCHES NOMINAL IN |
| Hub Style Designator | PINNED FIRST END |
| Hub Nominal Diameter | 0.375 INCHES FIRST END IN |
| Pressure Angle | 20.0000 DEGREES |
| Material Document and Classification | QQ-S-764,TYPE 303,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Outside Diameter | 0.563 INCHES IN |
| Bore Style | PLAIN BOTH ENDS |
| Style Designator | PROTRUDING HUB |
| Face Nominal Width | 0.125 INCHES IN |
| Bore Nominal Diameter | 0.125 INCHES BOTH ENDS IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 4820-25SH1250 | Smallwood and Son Machine Co (USA) |
| 400-0103 | Continental Electronics Corp (USA) |
NSN 3020-00-155-4313 is a Gear,spur, manufactured by Smallwood and Son Machine Co, classified under FSC 3020 (No Item Name Available). Status: active.
NSN 3020-00-155-4313 has 2 cross-referenced part numbers: 4820-25SH1250 (Smallwood and Son Machine Co), 400-0103 (Continental Electronics Corp).
There is 1 known substitute for 3020-00-155-4313: 5970-00-990-9911. Verify interchangeability with system specifications before substitution.
Key specifications for 4820-25SH1250: Teeth Quantity: 25; Body Style: PLAIN, SOLID; Precision Classification: QUALITY NUMBER 10; Tooth Form: STANDARD. 16 total characteristics are documented in the Federal Logistics Information System.