The Ratchet Wheel, cataloged under National Stock Number 3020-01-126-0098, 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 Ametek, Inc. Div Aerospace & Defense. Government technical data includes 4 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3020-01-126-0098 |
| Primary Part Number | P-11434-1 |
| Item Name | Ratchet Wheel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Ametek, Inc. Div Aerospace & Defense |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.500 INCHES IN |
| Teeth Quantity | 4 |
| Outside Diameter | 1.750 INCHES NOMINAL IN |
| Material | STEEL |
| 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 |
|---|---|
| P-11434-1 PRIMARY | Ametek, Inc. Div Aerospace & Defense (USA) |
| Reference | Meaning |
|---|---|
| P-11434 | 5/9 Secondary reference Ametek, Inc. Div Aerospace & Defense |
| C-1453 | 5/9 Secondary reference Ametek, Inc. Div Aerospace & Defense |
NSN 3020-01-126-0098 is a Ratchet Wheel, manufactured by Ametek, Inc. Div Aerospace & Defense, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-126-0098 has 1 manufacturer part number on file: P-11434-1 (Ametek, Inc. Div Aerospace & Defense).
1 possible match (shared part number, not a government interchangeability claim): 5360-01-513-1362. Verify interchangeability with system specifications before substitution.
Key specifications for P-11434-1: Bore Nominal Diameter: 0.500 INCHES IN; Teeth Quantity: 4; Outside Diameter: 1.750 INCHES NOMINAL IN; Material: STEEL. 4 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.