The Ratchet Wheel, cataloged under National Stock Number 3020-01-356-4615, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 3 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 3020-01-356-4615 |
| Item Name | Ratchet Wheel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Teeth Quantity | 6 |
| Material Document and Classification | QQ-N-281,CL A, FORM 1 FED SPEC SINGLE MATERIAL RESPONSE |
| Material | NICKEL ALLOY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 123-4695804 ITEM 107 | 3/2 Design control — primary reference U.S. Government activity |
| 123-4695804 | D/9 Drawing number reference only U.S. Government activity |
NSN 3020-01-356-4615 is a Ratchet Wheel, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
3 possible matches (shared part number, not a government interchangeability claim): 3020-01-356-4616, 3020-01-356-4632, 3020-01-356-4633. Verify interchangeability with system specifications before substitution.
Key specifications for 3020-01-356-4615: Teeth Quantity: 6; Material Document and Classification: QQ-N-281,CL A, FORM 1 FED SPEC SINGLE MATERIAL RESPONSE; Special Features: 9.000 IN. O/A DIA; 3 HOLES 1.031 IN. DIA, 3 HOLES THRU TAP 0.375-16 UNC-3B; 1.500 IN. FACE WIDTH; 5.370 IN. HUB DIA IN; Material: NICKEL ALLOY. 3 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.