The Pulley,groove, cataloged under National Stock Number 3020-01-249-0155, 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 Honeywell International, Inc Div Aerospace-Tucson. Government technical data includes 21 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3020-01-249-0155 |
| Primary Part Number | 579-002-9001 |
| Item Name | Pulley,groove |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Honeywell International, Inc Div Aerospace-Tucson |
| Status | ACTIVE |
| Integral Cooling Vane | NOT INCLUDED |
| Bore Feature | INCLUDED |
| Split Hub Feature | NOT INCLUDED |
| Bore Length | 0.140 INCHES NOMINAL IN |
| Design Form | PLAIN |
| Groove Radius | 0.015 INCHES NOMINAL IN |
| Groove Shape | U |
| Outside Diameter | 0.375 INCHES NOMINAL IN |
| Style Designator | PLAIN |
| Groove Depth | 0.039 INCHES NOMINAL IN |
| Bore Type | STRAIGHT |
| Bearings | INCLUDED |
| Groove Quantity | 1 |
| Protruding Hub Characteristic | PLAIN |
| Bearing Type | BALL |
| Distance From Outside Flange/rim to Hub End and Location | 0.015 INCHES NOMINAL BOTH ENDS IN |
| Counterbore Feature | NOT INCLUDED |
| Bore Diameter | 0.125 INCHES NOMINAL IN |
| Face Width | 0.093 INCHES NOMINAL IN |
| Groove Width | 0.030 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 |
|---|---|
| 579-002-9001 PRIMARY | Honeywell International, Inc Div Aerospace-Tucson (USA) |
| Reference | Meaning |
|---|---|
| 579-002 | 7/1 Vendor item drawing reference Honeywell International Inc. Div Aerospace - Torrance |
| 10106727 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 579-002-9001 | 5/9 Secondary reference Honeywell International Inc. Div Aerospace - Torrance |
| PPX1230032 | 5/9 Secondary reference Idaho Maryland Industries Inc Magnetics Div |
NSN 3020-01-249-0155 is a Pulley,groove, manufactured by Honeywell International, Inc Div Aerospace-Tucson, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-249-0155 has 1 manufacturer part number on file: 579-002-9001 (Honeywell International, Inc Div Aerospace-Tucson).
1 possible match (shared part number, not a government interchangeability claim): 6665-01-733-1656. Verify interchangeability with system specifications before substitution.
Key specifications for 579-002-9001: Integral Cooling Vane: NOT INCLUDED; Bore Feature: INCLUDED; Split Hub Feature: NOT INCLUDED; Bore Length: 0.140 INCHES NOMINAL IN. 21 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.