The Pulley,cone, cataloged under National Stock Number 3020-01-166-6403, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-166-6403 |
| Primary Part Number | 12269591 |
| 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 | 1.620 INCHES MAXIMUM BB END IN |
| Hub Outside Diameter | 4.569 INCHES MINIMUM AA END IN |
| Bore Length | 1.875 INCHES NOMINAL IN |
| Design Form | WEBBED |
| Web/spoke Relationship to Face Centerline | NOT OFFSET |
| Face Type | STEP GROOVE |
| Groove Shape | V |
| Keying Facility Type | KEYWAY |
| Quantity | 1 |
| Style Designator | WEBBED OR SPOKED |
| Groove Depth | 0.735 INCHES NOMINAL IN |
| Bore Type | STRAIGHT |
| Groove Quantity | 4 |
| V Groove Angle in Deg | 35.0 AND 36.0 |
| Bore Bearing | NOT INCLUDED |
| Distance From Center of Bore to Bottom of Keyway | 0.609 INCHES MINIMUM AND 0.613 INCHES MAXIMUM IN |
| Keyway Width | 0.251 INCHES MINIMUM AND 0.253 INCHES MAXIMUM IN |
| Unable to Decode | UNABLE TO DECODE AND UNABLE TO DECODE |
| Step Outside Diameter | 4.519 INCHES MINIMUM AND 4.569 INCHES MAXIMUM IN |
| Distance From Outside Flange/rim to Hub End and Location | 1.840 INCHES MINIMUM AA END AND 0.832 INCHES MAXIMUM BB END IN |
| Keying Facility | INCLUDED |
| Counterbore Feature | NOT INCLUDED |
| Bore Diameter | 1.000 INCHES MINIMUM AND 1.002 INCHES MAXIMUM IN |
| Face Width | 7.562 INCHES NOMINAL IN |
| Groove Width | 0.438 INCHES NOMINAL IN |
| Lightening Hole | NOT INCLUDED |
| 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 |
|---|---|
| 12269591 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 3020-01-166-6403 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 3020-01-166-6403 has 1 manufacturer part number on file: 12269591 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12269591: Integral Cooling Vane: NOT INCLUDED; Hub Outside Diameter: 1.620 INCHES MAXIMUM BB END IN; Hub Outside Diameter: 4.569 INCHES MINIMUM AA END IN; Bore Length: 1.875 INCHES NOMINAL IN. 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.