The Pulley,groove, cataloged under National Stock Number 3020-01-338-4627, 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 Crosby Group Inc the Mckissick Plant Div. Government technical data includes 29 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-338-4627 |
| Primary Part Number | 8002254 |
| Item Name | Pulley,groove |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Crosby Group Inc the Mckissick Plant Div |
| Status | ACTIVE |
| Integral Cooling Vane | NOT INCLUDED |
| Hub Outside Diameter | 7.000 INCHES NOMINAL BOTH ENDS IN |
| Bore Feature | INCLUDED |
| Securing Method | DRILLED HOLE |
| Split Hub Feature | NOT INCLUDED |
| Bore Length | 3.500 INCHES NOMINAL IN |
| Design Form | WEBBED |
| Web/spoke Relationship to Face Centerline | NOT OFFSET |
| Groove Radius | 0.543 INCHES NOMINAL IN |
| Groove Shape | U |
| Outside Diameter | 20.250 INCHES NOMINAL IN |
| Style Designator | PLAIN |
| Groove Depth | 1.630 INCHES NOMINAL IN |
| Bore Type | STRAIGHT |
| Bearings | NOT INCLUDED |
| Groove Quantity | 1 |
| Protruding Hub Characteristic | PLAIN |
| Securing Hole Quantity | 2 |
| Bolt Circle Diameter | 12.000 INCHES NOMINAL IN |
| Drilled Hole Diameter | 2.125 INCHES NOMINAL IN |
| Unable to Decode | UNABLE TO DECODE |
| Distance From Outside Flange/rim to Hub End and Location | 0.560 INCHES NOMINAL BOTH ENDS IN |
| Hole Location | SPACED 180 DEGREES APART |
| Counterbore Feature | NOT INCLUDED |
| Bore Diameter | 5.509 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Unable to Decode | UNABLE TO DECODE |
| Face Width | 2.380 INCHES NOMINAL IN |
| Groove Width | 1.086 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 |
|---|---|
| M882022B | Crosby Group Inc the Mckissick Plant Div (USA) |
| 8002254 PRIMARY | Crosby Group Inc the Mckissick Plant Div (USA) |
| 5D5-03504 ITEM 7 | Lake Shore Systems, Inc. (USA) |
| SK463-2 PRIMARY | Lake Shore Systems, Inc. (USA) |
| Reference | Meaning |
|---|---|
| SK463-2 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
| SK463 ITEM 2 | 5/9 Secondary reference Nipak Inc |
| SK463 | D/9 Drawing number reference only Nipak Inc |
| SK463-2 | 5/9 Secondary reference Nipak Inc |
NSN 3020-01-338-4627 is a Pulley,groove, manufactured by Crosby Group Inc the Mckissick Plant Div, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-338-4627 has 4 manufacturer part numbers on file: M882022B (Crosby Group Inc the Mckissick Plant Div), 8002254 (Crosby Group Inc the Mckissick Plant Div), 5D5-03504 ITEM 7 (Lake Shore Systems, Inc.), SK463-2 (Lake Shore Systems, Inc.).
Key specifications for 8002254: Integral Cooling Vane: NOT INCLUDED; Hub Outside Diameter: 7.000 INCHES NOMINAL BOTH ENDS IN; Bore Feature: INCLUDED; Securing Method: DRILLED HOLE. 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.