The Pulley,groove, cataloged under National Stock Number 3020-01-108-0835, 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 Steelmasters of Columbus Inc. Government technical data includes 20 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-108-0835 |
| Primary Part Number | 13029853-1 |
| Item Name | Pulley,groove |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Steelmasters of Columbus Inc |
| Status | ACTIVE |
| Integral Cooling Vane | NOT INCLUDED |
| Bore Feature | INCLUDED |
| Split Hub Feature | NOT INCLUDED |
| Bore Length | 21.0 MILLIMETERS NOMINAL MM |
| Design Form | PLAIN |
| Groove Radius | 3.7 MILLIMETERS NOMINAL MM |
| Groove Shape | U |
| Outside Diameter | 133.0 MILLIMETERS NOMINAL MM |
| Style Designator | PLAIN |
| Groove Depth | 28.0 MILLIMETERS NOMINAL MM |
| Bore Type | STRAIGHT |
| Bearings | NOT INCLUDED |
| Groove Quantity | 1 |
| Surface Treatment | PASSIVATE |
| Counterbore Feature | NOT INCLUDED |
| Bore Diameter | 80.0 MILLIMETERS NOMINAL MM |
| Material | STEEL OVERALL |
| Face Width | 26.0 MILLIMETERS NOMINAL MM |
| Groove Width | 24.0 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 |
| Part Number | Manufacturer |
|---|---|
| 13029853-1 PRIMARY | Steelmasters of Columbus Inc (USA) |
| 13029853-1 | K-V Engineering, Inc. Dba K-V Engineering Inc (USA) |
| Reference | Meaning |
|---|---|
| 10085809 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 13029853 | D/9 Drawing number reference only Us Army Aviation and Missile Command |
| 13029853-1 | 3/9 Design control — primary reference Us Army Aviation and Missile Command |
NSN 3020-01-108-0835 is a Pulley,groove, manufactured by Steelmasters of Columbus Inc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-108-0835 has 2 manufacturer part numbers on file: 13029853-1 (Steelmasters of Columbus Inc), 13029853-1 (K-V Engineering, Inc. Dba K-V Engineering Inc).
1 possible match (shared part number, not a government interchangeability claim): 3020-01-108-0836. Verify interchangeability with system specifications before substitution.
Key specifications for 13029853-1: Integral Cooling Vane: NOT INCLUDED; Bore Feature: INCLUDED; Split Hub Feature: NOT INCLUDED; Bore Length: 21.0 MILLIMETERS NOMINAL MM. 20 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.