The Gear Sector,spur, cataloged under National Stock Number 3020-01-045-5430, 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 Ingersoll-Rand Company Dba Ingersoll-Rand. Government technical data includes 11 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3020-01-045-5430 |
| Primary Part Number | 34022 |
| Item Name | Gear Sector,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Ingersoll-Rand Company Dba Ingersoll-Rand |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.377 INCHES BOTH ENDS IN |
| Backlash Designation | GRADE B |
| Teeth Quantity | 7 |
| Bore Style | PLAIN BOTH ENDS |
| Mounting Hole Type and Quantity | 1 PLAIN AXIALLY THROUGH BODY FIRST END |
| Mounting Hole Nominal Diameter | 0.159 INCHES AXIALLY THROUGH BODY FIRST END IN |
| Nominal Overall Length | 0.425 INCHES IN |
| Pitch Radius | 0.4792 INCHES NOMINAL IN |
| Pressure Angle | 20.0000 DEGREES |
| Attachment Method | MOUNTING HOLE |
| Face Nominal Width | 0.425 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 |
|---|---|
| 34022 PRIMARY | Ingersoll-Rand Company Dba Ingersoll-Rand (USA) |
| Reference | Meaning |
|---|---|
| 596879 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 34022 | C/1 Advisory reference — outside the item-of-supply concept Ingersoll-Rand Company Dba Ingersoll-Rand Div Tool & Hoist Division |
| 31428-002 | 5/9 Secondary reference Ingersoll-Rand Company Dba Ingersoll-Rand |
| AL10C28HC ITEM 67 | 5/9 Secondary reference Duff-Norton Co Inc |
| 596879 | 5/9 Secondary reference Duff-Norton Co Inc |
NSN 3020-01-045-5430 is a Gear Sector,spur, manufactured by Ingersoll-Rand Company Dba Ingersoll-Rand, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-045-5430 has 1 manufacturer part number on file: 34022 (Ingersoll-Rand Company Dba Ingersoll-Rand).
1 possible match (shared part number, not a government interchangeability claim): 2840-01-126-6927. Verify interchangeability with system specifications before substitution.
Key specifications for 34022: Bore Nominal Diameter: 0.377 INCHES BOTH ENDS IN; Backlash Designation: GRADE B; Teeth Quantity: 7; Bore Style: PLAIN BOTH ENDS. 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.