The Pulley,groove, cataloged under National Stock Number 3020-01-538-4262, 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 9 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 | 3020-01-538-4262 |
| Primary Part Number | 12474888 |
| 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 |
| Hub Outside Diameter | 1.440 INCHES MINIMUM AND 1.560 INCHES MAXIMUM BOTH ENDS IN |
| Outside Diameter | 6.990 INCHES MINIMUM AND 7.030 INCHES MAXIMUM IN |
| Style Designator | WEBBED OR SPOKED |
| Pitch Diameter | 6.576 INCHES MAXIMUM IN |
| Unable to Decode | UNABLE TO DECODE AND UNABLE TO DECODE |
| Surface Treatment | ANODIZE |
| Distance From Outside Flange/rim to Hub End and Location | 0.250 INCHES MAXIMUM BOTH ENDS IN |
| Material | ALUMINUM BODY |
| Face Width | 1.920 INCHES MAXIMUM 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 |
|---|---|
| 12474888 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 3020-01-538-4262 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 3020-01-538-4262 has 1 manufacturer part number on file: 12474888 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12474888: Hub Outside Diameter: 1.440 INCHES MINIMUM AND 1.560 INCHES MAXIMUM BOTH ENDS IN; Outside Diameter: 6.990 INCHES MINIMUM AND 7.030 INCHES MAXIMUM IN; Style Designator: WEBBED OR SPOKED; Pitch Diameter: 6.576 INCHES MAXIMUM IN. 9 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.