The Pulley,groove, cataloged under National Stock Number 3020-01-291-6682, 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 Universal Vise and Tool Co. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-291-6682 |
| Primary Part Number | SP-3 3B0074 |
| Item Name | Pulley,groove |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Universal Vise and Tool Co |
| Status | ACTIVE |
| Integral Cooling Vane | NOT INCLUDED |
| Bore Feature | INCLUDED |
| Split Hub Feature | NOT INCLUDED |
| Bore Length | 3.062 INCHES NOMINAL IN |
| Design Form | PLAIN |
| Groove Shape | V |
| Outside Diameter | 1.875 INCHES NOMINAL IN |
| Keying Facility Type | KEYWAY |
| Quantity | 1 |
| Style Designator | PLAIN |
| Material Document and Classification | AISI C1018 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 0.937 INCHES NOMINAL IN |
| Bore Type | STRAIGHT |
| Bearings | NOT INCLUDED |
| Counterbore Depth | 0.125 INCHES NOMINAL IN |
| Groove Quantity | 4 |
| Counterbore Location | BOTH ENDS |
| Protruding Hub Characteristic | PLAIN |
| Counterbore Diameter | 0.343 INCHES NOMINAL IN |
| Distance From Center of Bore to Bottom of Keyway | 0.423 INCHES NOMINAL IN |
| Keyway Width | 0.185 INCHES NOMINAL IN |
| Unable to Decode | UNABLE TO DECODE |
| Distance From Outside Flange/rim to Hub End and Location | 1.812 INCHES NOMINAL AA END AND 1.000 INCHES NOMINAL BB END IN |
| Counterbore Feature | INCLUDED |
| Bore Diameter | 0.629 INCHES NOMINAL IN |
| Material | STEEL COMP 1018 OVERALL |
| Unable to Decode | UNABLE TO DECODE |
| Furnished Items | KEYING FACILITY |
| Face Width | 0.250 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 |
|---|---|
| SP-3 3B0074 PRIMARY | Universal Vise and Tool Co (USA) |
NSN 3020-01-291-6682 is a Pulley,groove, manufactured by Universal Vise and Tool Co, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-291-6682 has 1 manufacturer part number on file: SP-3 3B0074 (Universal Vise and Tool Co).
Key specifications for SP-3 3B0074: Integral Cooling Vane: NOT INCLUDED; Bore Feature: INCLUDED; Split Hub Feature: NOT INCLUDED; Bore Length: 3.062 INCHES NOMINAL IN. 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.