The Pulley,groove, cataloged under National Stock Number 3020-01-416-1544, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 27 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-416-1544 |
| Primary Part Number | 12375793 |
| Item Name | Pulley,groove |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Integral Cooling Vane | NOT INCLUDED |
| Bore Feature | INCLUDED |
| Split Hub Feature | NOT INCLUDED |
| Bore Length | 1.3 MILLIMETERS NOMINAL MM |
| Design Form | PLAIN |
| Groove Shape | V |
| Standard V-Belt Section Designation for Which Designed | PK |
| Outside Diameter | 4.3 MILLIMETERS NOMINAL MM |
| Keying Facility Type | KEYWAY |
| Shaft Size for Which Designed | 0.8 MILLIMETERS NOMINAL MM |
| Quantity | 1 |
| Style Designator | WEBBED OR SPOKED |
| Groove Depth | 3.2 MILLIMETERS NOMINAL MM |
| Bore Type | STRAIGHT |
| Bearings | NOT INCLUDED |
| Groove Quantity | 8 |
| V Groove Angle in Deg | 40.0 |
| Protruding Hub Characteristic | PLAIN |
| Distance From Center of Bore to Bottom of Keyway | 0.5 MILLIMETERS NOMINAL MM |
| Keyway Width | 0.2 MILLIMETERS NOMINAL MM |
| Unable to Decode | UNABLE TO DECODE |
| Surface Treatment | ZINC |
| Distance From Outside Flange/rim to Hub End and Location | 0.4 MILLIMETERS NOMINAL BB END MM |
| Counterbore Feature | NOT INCLUDED |
| Bore Diameter | 0.8 MILLIMETERS NOMINAL MM |
| Material | IRON OR IRON CAST OR STEEL OVERALL |
| Unable to Decode | UNABLE TO DECODE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 12375793 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 12375793 | 5/9 Secondary reference Am General Llc |
NSN 3020-01-416-1544 is a Pulley,groove, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-416-1544 has 1 manufacturer part number on file: 12375793 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12375793: Integral Cooling Vane: NOT INCLUDED; Bore Feature: INCLUDED; Split Hub Feature: NOT INCLUDED; Bore Length: 1.3 MILLIMETERS NOMINAL MM. 27 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.