The Pulley,groove, cataloged under National Stock Number 3020-01-132-0636, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 26 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-132-0636 |
| Item Name | Pulley,groove |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Integral Cooling Vane | NOT INCLUDED |
| Hub Outside Diameter | 2.000 INCHES NOMINAL AA END IN |
| Hub Outside Diameter | 2.000 INCHES NOMINAL BB END IN |
| Bore Feature | INCLUDED |
| Split Hub Feature | NOT INCLUDED |
| Bore Length | 0.781 INCHES NOMINAL IN |
| Design Form | PLAIN |
| Groove Radius | 0.141 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN |
| Groove Shape | U |
| Outside Diameter | 7.000 INCHES NOMINAL IN |
| Style Designator | PLAIN |
| Material Document and Classification | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Groove Depth | 1.000 INCHES NOMINAL IN |
| Bore Type | STRAIGHT |
| Bearings | NOT INCLUDED |
| Groove Quantity | 1 |
| Protruding Hub Characteristic | PLAIN |
| Unable to Decode | UNABLE TO DECODE AND UNABLE TO DECODE |
| Distance From Outside Flange/rim to Hub End and Location | 0.060 INCHES NOMINAL AA END AND 0.060 INCHES NOMINAL BB END IN |
| Counterbore Feature | NOT INCLUDED |
| Bore Diameter | 0.999 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN |
| Material | STEEL CORROSION RESISTING OVERALL |
| Unable to Decode | UNABLE TO DECODE |
| Face Width | 0.650 INCHES MINIMUM AND 0.670 INCHES MAXIMUM IN |
| Groove Width | 0.650 INCHES MINIMUM AND 0.670 INCHES MAXIMUM IN |
| 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 |
| Reference | Meaning |
|---|---|
| 600-4789162 ITEM 5 | 3/2 Design control — primary reference U.S. Government activity |
| 87539-3703 | D/9 Drawing number reference only U.S. Government activity |
| 87539-3703 ITEM 5 | 3/2 Design control — primary reference U.S. Government activity |
| 600-4789162 | D/9 Drawing number reference only U.S. Government activity |
NSN 3020-01-132-0636 is a Pulley,groove, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
3 possible matches (shared part number, not a government interchangeability claim): 3040-01-211-1042, 3020-01-211-1058, 3950-01-211-4863. Verify interchangeability with system specifications before substitution.
Key specifications for 3020-01-132-0636: Integral Cooling Vane: NOT INCLUDED; Hub Outside Diameter: 2.000 INCHES NOMINAL AA END IN; Hub Outside Diameter: 2.000 INCHES NOMINAL BB END IN; Bore Feature: INCLUDED. 26 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.