The Ratchet Wheel, cataloged under National Stock Number 3020-00-433-5069, 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 Telemechanics Inc. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3020-00-433-5069 |
| Primary Part Number | 333391 |
| Item Name | Ratchet Wheel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Telemechanics Inc |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.812 INCHES 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 |
|---|---|
| 333391 PRIMARY | Telemechanics Inc (USA) |
| Reference | Meaning |
|---|---|
| 333391 | C/1 Advisory reference — outside the item-of-supply concept American Telephone and Telegraph Co |
NSN 3020-00-433-5069 is a Ratchet Wheel, manufactured by Telemechanics Inc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-433-5069 has 1 manufacturer part number on file: 333391 (Telemechanics Inc).
1 possible match (shared part number, not a government interchangeability claim): 2840-00-627-1412. Verify interchangeability with system specifications before substitution.
Key specifications for 333391: Bore Nominal Diameter: 0.812 INCHES IN; End Item Identification: TELETYPEWRITER SET,MODEL 37ASR. 1 specification is 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.