The Sprocket Wheel, cataloged under National Stock Number 3020-01-422-4056, 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 Co Material Handling Div. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 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 | 3020-01-422-4056 |
| Primary Part Number | 70877 |
| Item Name | Sprocket Wheel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Ingersoll-Rand Co Material Handling Div |
| Status | ACTIVE |
| Securing Method | NUT(S) |
| Design Form | PLAIN |
| Outside Diameter | 4.500 INCHES NOMINAL IN |
| Style Designator | PLAIN |
| Bore Type | STRAIGHT SPLINE |
| Teeth Row Quantity | 1 |
| Material | PLASTIC POLYAMIDE NYLON |
| 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 |
|---|---|
| 70877 PRIMARY | Ingersoll-Rand Co Material Handling Div (USA) |
| MHTPC0007/A PIECE 22 | Ingersoll-Rand Co Material Handling Div (USA) |
NSN 3020-01-422-4056 is a Sprocket Wheel, manufactured by Ingersoll-Rand Co Material Handling Div, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-422-4056 has 2 manufacturer part numbers on file: 70877 (Ingersoll-Rand Co Material Handling Div), MHTPC0007/A PIECE 22 (Ingersoll-Rand Co Material Handling Div).
1 possible match (shared part number, not a government interchangeability claim): 5360-01-728-2670. Verify interchangeability with system specifications before substitution.
Key specifications for 70877: Securing Method: NUT(S); Design Form: PLAIN; Outside Diameter: 4.500 INCHES NOMINAL IN; Style Designator: PLAIN. 7 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.