The Pulley,cone, cataloged under National Stock Number 3020-01-313-0682, 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 28 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-313-0682 |
| Primary Part Number | 12338782 |
| Item Name | Pulley,cone |
| 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 |
| Hub Outside Diameter | 2.125 INCHES NOMINAL AA END IN |
| Securing Method | DRILLED HOLE |
| Split Hub Feature | NOT INCLUDED |
| Bore Length | 0.920 INCHES NOMINAL IN |
| Design Form | PLAIN |
| Face Type | STEP GROOVE |
| Groove Shape | V |
| Style Designator | WEBBED OR SPOKED |
| Groove Depth | 0.433 INCHES MINIMUM AND 0.443 INCHES MAXIMUM IN |
| Bore Type | STRAIGHT |
| Groove Quantity | 5 |
| V Groove Angle in Deg | 36.0 |
| Protruding Hub Characteristic | PLAIN |
| Bore Bearing | NOT INCLUDED |
| V Groove Pitch Diameter | 6.125 INCHES NOMINAL AND 5.062 INCHES NOMINAL IN |
| Securing Hole Quantity | 4 |
| Drilled Hole Diameter | 0.336 INCHES MINIMUM AND 0.347 INCHES MAXIMUM IN |
| Unable to Decode | UNABLE TO DECODE |
| Step Outside Diameter | 6.185 INCHES NOMINAL AND 5.187 INCHES NOMINAL IN |
| Distance From Outside Flange/rim to Hub End and Location | 0.920 INCHES NOMINAL AA END AND 2.260 INCHES NOMINAL BB END IN |
| Keying Facility | NOT INCLUDED |
| Hole Location | THROUGH SMALLER GROOVE OF PULLEY |
| Counterbore Feature | NOT INCLUDED |
| Bore Diameter | 0.746 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN |
| Material | IRON OVERALL |
| Face Width | 0.670 INCHES NOMINAL AND 2.260 INCHES NOMINAL IN |
| Groove Width | 0.380 INCHES NOMINAL IN |
| 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 |
|---|---|
| 12338782 | Am General Llc (USA) |
| 12338782 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 3020013130682 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 5593824 | 5/9 Secondary reference Am General Llc |
NSN 3020-01-313-0682 is a Pulley,cone, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-313-0682 has 2 manufacturer part numbers on file: 12338782 (Am General Llc), 12338782 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12338782: Integral Cooling Vane: NOT INCLUDED; Hub Outside Diameter: 2.125 INCHES NOMINAL AA END IN; Securing Method: DRILLED HOLE; Split Hub Feature: NOT INCLUDED. 28 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.