The Gear,spur, cataloged under National Stock Number 3020-00-948-0439, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Simmonds Precision Products Inc. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-948-0439 |
| Primary Part Number | A3170 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — No Item Name Available |
| Manufacturer | Simmonds Precision Products Inc |
| Status | ACTIVE |
| Body Style | WEBBED, OFFSET, SOLID |
| Pitch Diameter | 1.8564 INCHES NOMINAL IN |
| Hardness Rating | 32.0 ROCKWELL C MINIMUM AND 36.0 ROCKWELL C MAXIMUM TEETH |
| Bore Style | W/ KEYWAY BOTH ENDS |
| Material | STEEL COMP 440C OVERALL |
| Tooth Form | STANDARD |
| Material Document and Classification | AMS 5630 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Teeth Quantity | 60 |
| Pressure Angle | 20.0000 DEGREES |
| Face Nominal Width | 0.281 INCHES IN |
| Hub Nominal Diameter | 0.760 INCHES FIRST END IN |
| Keyway Nominal Width | 0.096 INCHES BOTH ENDS IN |
| Nominal Distance Between Body Face and Protruding Hub End | 0.237 INCHES FIRST END IN |
| Hardness Rating | 32.0 ROCKWELL C MINIMUM AND 36.0 ROCKWELL C MAXIMUM HUB |
| Style Designator | PROTRUDING HUB, RECESSED BODY |
| Bore Nominal Diameter | 0.590 INCHES BOTH ENDS IN |
| Nominal Overall Length | 1.518 INCHES IN |
| Hub Style Designator | PLAIN FIRST END |
| Nominal Distance From Bore Center to Keyway Bottom | 0.349 INCHES BOTH ENDS IN |
| Nominal Outside Diameter | 1.917 INCHES IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| A3170 PRIMARY | Simmonds Precision Products Inc (USA) |
NSN 3020-00-948-0439 is a Gear,spur, manufactured by Simmonds Precision Products Inc, classified under FSC 3020 (No Item Name Available). Status: active.
NSN 3020-00-948-0439 has 1 cross-referenced part number: A3170 (Simmonds Precision Products Inc).
There are 2 known substitutes for 3020-00-948-0439: 5915-01-035-6810, 5360-01-199-6157. Verify interchangeability with system specifications before substitution.
Key specifications for A3170: Body Style: WEBBED, OFFSET, SOLID; Pitch Diameter: 1.8564 INCHES NOMINAL IN; Hardness Rating: 32.0 ROCKWELL C MINIMUM AND 36.0 ROCKWELL C MAXIMUM TEETH; Bore Style: W/ KEYWAY BOTH ENDS. 20 total characteristics are documented in the Federal Logistics Information System.