The Pulley,groove, cataloged under National Stock Number 3020-01-106-7102, 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 L3 Technologies, Inc. Div Ocean Systems. Government technical data includes 27 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-106-7102 |
| Primary Part Number | 3322750 |
| Item Name | Pulley,groove |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | L3 Technologies, Inc. Div Ocean Systems |
| Status | ACTIVE |
| Integral Cooling Vane | NOT INCLUDED |
| Hub Outside Diameter | 1.375 INCHES MINIMUM AND 0.385 INCHES MAXIMUM BOTH ENDS IN |
| Bore Feature | INCLUDED |
| Bearing Quantity | 1 |
| Split Hub Feature | NOT INCLUDED |
| Bore Length | 1.245 INCHES MINIMUM AND 1.255 INCHES MAXIMUM IN |
| Design Form | WEBBED |
| Groove Radius | 0.110 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN |
| Groove Shape | U |
| Outside Diameter | 8.320 INCHES MINIMUM AND 8.330 INCHES MAXIMUM IN |
| Style Designator | WEBBED OR SPOKED |
| Pitch Diameter | 7.795 INCHES MINIMUM AND 7.805 INCHES MAXIMUM IN |
| Groove Depth | 0.525 INCHES NOMINAL IN |
| Bore Type | STRAIGHT |
| Bearings | INCLUDED |
| Groove Quantity | 1 |
| Protruding Hub Characteristic | PLAIN |
| Bearing Type | SLEEVE |
| Unable to Decode | UNABLE TO DECODE AND UNABLE TO DECODE |
| Distance From Outside Flange/rim to Hub End and Location | 0.312 INCHES MINIMUM BOTH ENDS AND 0.317 INCHES MAXIMUM BOTH ENDS IN |
| Counterbore Feature | NOT INCLUDED |
| Bore Diameter | 0.900 INCHES MINIMUM AND 1.100 INCHES MAXIMUM IN |
| Material | ALUMINUM OVERALL |
| Unable to Decode | UNABLE TO DECODE |
| Face Width | 0.440 INCHES MINIMUM AND 0.460 INCHES MAXIMUM IN |
| Groove Width | 0.115 INCHES NOMINAL 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 |
| Part Number | Manufacturer |
|---|---|
| 3322750 PRIMARY | L3 Technologies, Inc. Div Ocean Systems (USA) |
| Reference | Meaning |
|---|---|
| 3322750 | 5/9 Secondary reference Allied-Signal Inc Dba Allied-Signal Aerospace Co Electrodynamics Div |
NSN 3020-01-106-7102 is a Pulley,groove, manufactured by L3 Technologies, Inc. Div Ocean Systems, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-106-7102 has 1 manufacturer part number on file: 3322750 (L3 Technologies, Inc. Div Ocean Systems).
Key specifications for 3322750: Integral Cooling Vane: NOT INCLUDED; Hub Outside Diameter: 1.375 INCHES MINIMUM AND 0.385 INCHES MAXIMUM BOTH ENDS IN; Bore Feature: INCLUDED; Bearing Quantity: 1. 27 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.