The Pulley,groove, cataloged under National Stock Number 3020-01-443-0300, 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 Gravograph-New Hermes, Inc. Government technical data includes 7 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-443-0300 |
| Primary Part Number | 2351800M |
| Item Name | Pulley,groove |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Gravograph-New Hermes, Inc |
| Status | ACTIVE |
| Integral Cooling Vane | NOT INCLUDED |
| Groove Shape | V |
| Style Designator | PLAIN |
| Bore Type | STRAIGHT |
| Bearings | NOT INCLUDED |
| Groove Quantity | 1 |
| 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 |
|---|---|
| 2351800 | Gravograph-New Hermes, Inc (USA) |
| 2351800M PRIMARY | Gravograph-New Hermes, Inc (USA) |
| Reference | Meaning |
|---|---|
| 2351800M | 3/9 Design control — primary reference U.S. Government activity |
| 2351800 | 5/9 Secondary reference U.S. Government activity |
NSN 3020-01-443-0300 is a Pulley,groove, manufactured by Gravograph-New Hermes, Inc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-443-0300 has 2 manufacturer part numbers on file: 2351800 (Gravograph-New Hermes, Inc), 2351800M (Gravograph-New Hermes, Inc).
Key specifications for 2351800M: Integral Cooling Vane: NOT INCLUDED; Groove Shape: V; Style Designator: PLAIN; Bore Type: STRAIGHT. 7 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.