The Pulley,groove, cataloged under National Stock Number 3020-00-366-6506, 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 29 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3020-00-366-6506 |
| Primary Part Number | 7706769 |
| 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 | INCLUDED |
| Hub Outside Diameter | 0.810 INCHES MINIMUM AND 0.820 INCHES MAXIMUM BB END IN |
| Hub Outside Diameter | 0.901 INCHES MINIMUM AND 0.911 INCHES MAXIMUM AA END IN |
| Bore Feature | INCLUDED |
| Split Hub Feature | NOT INCLUDED |
| Bore Length | 1.125 INCHES NOMINAL IN |
| Design Form | PLAIN |
| Web/spoke Relationship to Face Centerline | NOT OFFSET |
| Groove Shape | V |
| Standard V-Belt Section Designation for Which Designed | B |
| Outside Diameter | 4.969 INCHES NOMINAL IN |
| Keying Facility Type | KEYWAY |
| Quantity | 1 |
| Pitch Diameter | 3.813 INCHES NOMINAL IN |
| Groove Depth | 0.688 INCHES NOMINAL IN |
| Bore Type | STRAIGHT |
| Bearings | NOT INCLUDED |
| Groove Quantity | 1 |
| V Groove Angle in Deg | 34.0 |
| Distance From Center of Bore to Bottom of Keyway | 0.397 INCHES MINIMUM AND 0.403 INCHES MAXIMUM IN |
| Keyway Width | 0.126 INCHES MINIMUM AND 0.128 INCHES MAXIMUM IN |
| Unable to Decode | UNABLE TO DECODE AND UNABLE TO DECODE AND UNABLE TO DECODE AND UNABLE TO DECODE |
| Surface Treatment | ENAMEL |
| Distance From Outside Flange/rim to Hub End and Location | 0.340 INCHES NOMINAL AA END AND 0.343 INCHES NOMINAL BB END IN |
| Counterbore Feature | NOT INCLUDED |
| Bore Diameter | 0.6685 INCHES MINIMUM AND 0.6695 INCHES MAXIMUM IN |
| Material | STEEL OVERALL |
| Unable to Decode | UNABLE TO DECODE |
| Face Width | 1.119 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 |
|---|---|
| 7706769 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 585854 | 5/9 Secondary reference Chrysler Realty Company Llc Dba Daimler Chrysler |
NSN 3020-00-366-6506 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 3020-00-366-6506 has 1 manufacturer part number on file: 7706769 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 7706769: Integral Cooling Vane: INCLUDED; Hub Outside Diameter: 0.810 INCHES MINIMUM AND 0.820 INCHES MAXIMUM BB END IN; Hub Outside Diameter: 0.901 INCHES MINIMUM AND 0.911 INCHES MAXIMUM AA END IN; Bore Feature: INCLUDED. 29 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.