The Pulley,groove, cataloged under National Stock Number 3020-01-421-4630, 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 Mechanical Equipment Company, Inc. Dba Mechanical Equipment Co Inc. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government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 | 3020-01-421-4630 |
| Primary Part Number | 2311864000 |
| Item Name | Pulley,groove |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Mechanical Equipment Company, Inc. Dba Mechanical Equipment Co Inc |
| Status | ACTIVE |
| Integral Cooling Vane | NOT INCLUDED |
| Bore Feature | INCLUDED |
| Design Form | PLAIN |
| Groove Shape | V |
| Outside Diameter | 2.295 INCHES MINIMUM AND 2.300 INCHES MAXIMUM IN |
| Style Designator | WEBBED OR SPOKED |
| Bearings | NOT INCLUDED |
| Groove Quantity | 4 |
| Counterbore Feature | NOT INCLUDED |
| Material | STEEL OVERALL |
| Face Width | 0.344 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 |
|---|---|
| 2311864000 PRIMARY | Mechanical Equipment Company, Inc. Dba Mechanical Equipment Co Inc (USA) |
| 1412472000REV H ITEM 51 | Mechanical Equipment Company, Inc. Dba Mechanical Equipment Co Inc (USA) |
| Reference | Meaning |
|---|---|
| 1412472000 | D/9 Drawing number reference only Mechanical Equipment Company, Inc. Dba Mechanical Equipment Co Inc |
NSN 3020-01-421-4630 is a Pulley,groove, manufactured by Mechanical Equipment Company, Inc. Dba Mechanical Equipment Co Inc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-421-4630 has 2 manufacturer part numbers on file: 2311864000 (Mechanical Equipment Company, Inc. Dba Mechanical Equipment Co Inc), 1412472000REV H ITEM 51 (Mechanical Equipment Company, Inc. Dba Mechanical Equipment Co Inc).
7 possible matches (shared part number, not a government interchangeability claim): 3040-01-421-4688, 4310-01-421-4690, 4730-01-421-4695. Verify interchangeability with system specifications before substitution.
Key specifications for 2311864000: Integral Cooling Vane: NOT INCLUDED; Bore Feature: INCLUDED; Design Form: PLAIN; Groove Shape: V. 11 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.