The Sprocket Wheel, cataloged under National Stock Number 3020-00-555-6301, 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 Air Logistics Corporation Dba Air Logistics Corp. Government technical data includes 21 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 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 | 3020-00-555-6301 |
| Primary Part Number | 102279 |
| Item Name | Sprocket Wheel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Air Logistics Corporation Dba Air Logistics Corp |
| Status | ACTIVE |
| Hub Outside Diameter | 2.5625 INCHES NOMINAL BOTH ENDS IN |
| Bore Length | 0.915 INCHES NOMINAL IN |
| Design Form | PLAIN |
| Tooth Pitch | 0.625 INCHES NOMINAL IN |
| Asa Standard Chain Number | 50 |
| Outside Diameter | 3.600 INCHES NOMINAL IN |
| Style Designator | PLAIN |
| Pitch Diameter | 3.200 INCHES NOMINAL IN |
| Bore Type | STRAIGHT |
| Counterbore Depth | 0.598 INCHES NOMINAL IN |
| Teeth Row Quantity | 1 |
| Teeth Quantity Per Row | 16 |
| Counterbore Location | AA END |
| Hardness Rating Test Method | NOT RATED |
| Counterbore Diameter | 1.687 INCHES NOMINAL IN |
| Distance From Hub End to Flange End | 0.572 INCHES NOMINAL BOTH ENDS IN |
| Surface Treatment | CADMIUM |
| Bore Diameter | 1.380 INCHES NOMINAL IN |
| Material | STEEL |
| Furnished Items | COUNTERBORE |
| Face Width | 0.343 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 3020-00-555-6301 is a Sprocket Wheel, manufactured by Air Logistics Corporation Dba Air Logistics Corp, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-555-6301 has 3 manufacturer part numbers on file: 102279 (Air Logistics Corporation Dba Air Logistics Corp), G-102279 (Airbus Helicopters Deutschland Gmbh), 343AS153 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
4 possible matches (shared part number, not a government interchangeability claim): 5305-00-582-5850, 6610-00-942-3137, 5915-01-145-1431. Verify interchangeability with system specifications before substitution.
Key specifications for 102279: Hub Outside Diameter: 2.5625 INCHES NOMINAL BOTH ENDS IN; Bore Length: 0.915 INCHES NOMINAL IN; Design Form: PLAIN; Tooth Pitch: 0.625 INCHES NOMINAL IN. 21 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.