The Gear,spur, cataloged under National Stock Number 3020-00-737-4995, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Am General Llc. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 3020-00-737-4995 |
| Primary Part Number | 640401 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — No Item Name Available |
| Manufacturer | Am General Llc |
| Status | CANCELLED |
| Style Designator | PROTRUDING HUB |
| Hub Nominal Diameter | 2.500 INCHES FIRST END IN |
| Pressure Angle | 20.0000 DEGREES |
| Nominal Distance From End to First Groove | 0.109 INCHES FIRST END IN |
| Tooth Form | SPECIAL |
| Features Provided | CASEHARDENED |
| Spline Quantity | 10 BOTH ENDS |
| Material | STEEL OVERALL |
| Hub Style Designator | 1 GROOVE FIRST END |
| First Groove Nominal Diameter | 1.937 INCHES FIRST END IN |
| Pitch Diameter | 3.6250 INCHES NOMINAL IN |
| Nominal Distance Between Body Face and Protruding Hub End | 0.335 INCHES FIRST END IN |
| Bore Nominal Diameter | 1.500 INCHES BOTH ENDS IN |
| Nominal Outside Diameter | 3.823 INCHES IN |
| Teeth Quantity | 29 |
| Face Nominal Width | 0.843 INCHES IN |
| Bore Style | STRAIGHT SPLINE BOTH ENDS |
| Body Style | PLAIN, SOLID |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE AND AISI/SAE 4027 ASSN STD SINGLE MATERIAL RESPONSE OR AISI/SAI 8620 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| First Groove Nominal Width | 0.215 INCHES FIRST END IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
NSN 3020-00-737-4995 is a Gear,spur, manufactured by Am General Llc, classified under FSC 3020 (No Item Name Available). Status: cancelled.
NSN 3020-00-737-4995 has 5 cross-referenced part numbers: 640401 (Am General Llc), T90A-12 (Perfection Clutch), 7374995 (U S Army Tank Automotive Command Amsta-Im-Mm), T90A12 (Borg-Warner Corp), 790A-12 (Liberty Ventures Inti, Llc).
There are 3 known substitutes for 3020-00-737-4995: 6105-00-052-6935, 4020-00-888-1940, 7610-01-677-8646. Verify interchangeability with system specifications before substitution.
Key specifications for 640401: Style Designator: PROTRUDING HUB; Hub Nominal Diameter: 2.500 INCHES FIRST END IN; Pressure Angle: 20.0000 DEGREES; Nominal Distance From End to First Groove: 0.109 INCHES FIRST END IN. 20 total characteristics are documented in the Federal Logistics Information System.
NSN 3020-00-737-4995 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.