The Pulley,groove, cataloged under National Stock Number 3020-01-117-5744, 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 Vitok Engineers Inc. Government technical data includes 6 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3020-01-117-5744 |
| Primary Part Number | 2137-2B108 |
| Item Name | Pulley,groove |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Vitok Engineers Inc |
| Status | ACTIVE |
| Groove Shape | V |
| Groove Depth | 0.700 INCHES NOMINAL IN |
| Groove Quantity | 1 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Face Width | 1.000 INCHES NOMINAL IN |
| Groove Width | 0.375 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 |
|---|---|
| 2137-2B108 PRIMARY | Vitok Engineers Inc (USA) |
| Reference | Meaning |
|---|---|
| 801241 PIECE 30 | 5/9 Secondary reference Reliance Electric |
| 801241 | D/9 Drawing number reference only Reliance Electric |
NSN 3020-01-117-5744 is a Pulley,groove, manufactured by Vitok Engineers Inc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-117-5744 has 1 manufacturer part number on file: 2137-2B108 (Vitok Engineers Inc).
1 possible match (shared part number, not a government interchangeability claim): 5980-01-633-6271. Verify interchangeability with system specifications before substitution.
Key specifications for 2137-2B108: Groove Shape: V; Groove Depth: 0.700 INCHES NOMINAL IN; Groove Quantity: 1; Material: STEEL CORROSION RESISTING OVERALL. 6 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.