The Gear,spur, cataloged under National Stock Number 3020-00-159-0630, 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 19 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-159-0630 |
| Primary Part Number | 4820-20SH1250 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — No Item Name Available |
| Manufacturer | Smallwood and Son Machine Co |
| Status | ACTIVE |
| Body Style | PLAIN, SOLID |
| Mounting Hole Type and Quantity | 1 THREADED TRANSVERSELY THROUGH HUB FIRST END |
| Teeth Quantity | 20 |
| Face Nominal Width | 0.125 INCHES IN |
| Nominal Distance Between Body Face and Protruding Hub End | 0.250 INCHES FIRST END IN |
| Pitch Diameter | 0.4166 INCHES NOMINAL IN |
| Hub Nominal Diameter | 0.312 INCHES FIRST END IN |
| Precision Classification | QUALITY NUMBER 10 |
| Nominal Overall Length | 0.375 INCHES IN |
| Attachment Method | MOUNTING HOLE |
| Mounting Hole Thread Quantity Per Inch | 56 TRANSVERSELY THROUGH HUB FIRST END |
| Style Designator | PROTRUDING HUB |
| Bore Nominal Diameter | 0.125 INCHES BOTH ENDS IN |
| Material Document and Classification | QQ-S-764,TYPE 303,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Material | STEEL COMP 303 OVERALL |
| Pressure Angle | 20.0000 DEGREES |
| Nominal Outside Diameter | 0.458 INCHES IN |
| Tooth Form | STANDARD |
| Mounting Hole Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) TRANSVERSELY THROUGH HUB FIRST END |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 4820-20SH1250 | Smallwood and Son Machine Co (USA) |
| 400-0101 | Continental Electronics Corp (USA) |
NSN 3020-00-159-0630 is a Gear,spur, manufactured by Smallwood and Son Machine Co, classified under FSC 3020 (No Item Name Available). Status: active.
NSN 3020-00-159-0630 has 2 cross-referenced part numbers: 4820-20SH1250 (Smallwood and Son Machine Co), 400-0101 (Continental Electronics Corp).
There are 3 known substitutes for 3020-00-159-0630: 5970-00-871-5779, 2910-01-144-8088, 4140-01-695-1078. Verify interchangeability with system specifications before substitution.
Key specifications for 4820-20SH1250: Body Style: PLAIN, SOLID; Mounting Hole Type and Quantity: 1 THREADED TRANSVERSELY THROUGH HUB FIRST END; Teeth Quantity: 20; Face Nominal Width: 0.125 INCHES IN. 19 total characteristics are documented in the Federal Logistics Information System.