The Pulley,groove, cataloged under National Stock Number 3020-01-443-5093, 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 Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc. Government technical data includes 28 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-443-5093 |
| Primary Part Number | 12420810 |
| Item Name | Pulley,groove |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc |
| Status | ACTIVE |
| Integral Cooling Vane | NOT INCLUDED |
| Bore Feature | INCLUDED |
| Split Hub Feature | NOT INCLUDED |
| Bore Length | 34.0 MILLIMETERS NOMINAL MM |
| Design Form | WEBBED |
| Web/spoke Relationship to Face Centerline | OFFSET |
| Groove Shape | V |
| Outside Diameter | 100.0 MILLIMETERS NOMINAL MM |
| Keying Facility Type | KEYWAY |
| Quantity | 1 |
| Style Designator | WEBBED OR SPOKED |
| Material Document and Classification | AISI 1141 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 97.99 MILLIMETERS NOMINAL MM |
| Groove Depth | 16.265 MILLIMETERS NOMINAL MM |
| Bore Type | STRAIGHT |
| Bearings | NOT INCLUDED |
| Groove Quantity | 2 |
| V Groove Angle in Deg | 36.0 |
| Distance From Center of Bore to Bottom of Keyway | 12.57 MILLIMETERS NOMINAL MM |
| Keyway Width | 4.79 MILLIMETERS NOMINAL MM |
| Distance From Outside Flange/rim to Hub End and Location | 5.0 MILLIMETERS NOMINAL AA END MM |
| Counterbore Feature | NOT INCLUDED |
| Bore Diameter | 19.86 MILLIMETERS NOMINAL MM |
| Material | STEEL COMP 1141 OVERALL |
| Furnished Items | KEYING FACILITY |
| Face Width | 39.0 MILLIMETERS NOMINAL MM |
| Groove Width | 12.7 MILLIMETERS NOMINAL MM |
| 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 |
NSN 3020-01-443-5093 is a Pulley,groove, manufactured by Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-443-5093 has 3 manufacturer part numbers on file: 12420810 (Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc), 12420810 (U S Army Tank Automotive Command Amsta-Im-Mm), 12420810 (Amz Alabama Inc.).
Key specifications for 12420810: Integral Cooling Vane: NOT INCLUDED; Bore Feature: INCLUDED; Split Hub Feature: NOT INCLUDED; Bore Length: 34.0 MILLIMETERS NOMINAL MM. 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.