The Sprocket Wheel, cataloged under National Stock Number 3020-00-883-1983, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Mars Industries Inc. Government technical data includes 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-883-1983 |
| Primary Part Number | M357A |
| Item Name | Sprocket Wheel |
| FSC / FSG | 3020 / 30 — No Item Name Available |
| Manufacturer | Mars Industries Inc |
| Status | ACTIVE |
| Pitch Diameter | 14.331 INCHES NOMINAL IN |
| Securing Hole Quantity | 6 |
| Bore Length | 0.459 INCHES NOMINAL IN |
| Bolt Circle Diameter | 8.250 INCHES NOMINAL IN |
| Drilled Hole Diameter | 0.406 INCHES NOMINAL IN |
| Teeth Row Quantity | 1 |
| Tooth Pitch | 0.750 INCHES NOMINAL IN |
| Hardness Rating Test Method | ROCKWELL |
| Bore Type | STRAIGHT |
| Teeth Quantity Per Row | 60 |
| Asa Standard Chain Number | 60 |
| Securing Method | DRILLED HOLE |
| Hole Location | DNE LOCATED ON BODY |
| Material | STEEL |
| Design Form | PLAIN |
| Outside Diameter | 14.760 INCHES NOMINAL IN |
| Teeth Hardness Rating | 87.1 ROCKWELL C NOMINAL |
| Metallic Hardness Rating and Location | 87.1 ROCKWELL C NOMINAL BODY |
| Bore Diameter | 1.250 INCHES NOMINAL IN |
| Style Designator | PLAIN |
| Face Width | 0.459 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| M357A | Mars Industries Inc (USA) |
NSN 3020-00-883-1983 is a Sprocket Wheel, manufactured by Mars Industries Inc, classified under FSC 3020 (No Item Name Available). Status: active.
NSN 3020-00-883-1983 has 1 cross-referenced part number: M357A (Mars Industries Inc).
There is 1 known substitute for 3020-00-883-1983: 5985-00-318-6977. Verify interchangeability with system specifications before substitution.
Key specifications for M357A: Pitch Diameter: 14.331 INCHES NOMINAL IN; Securing Hole Quantity: 6; Bore Length: 0.459 INCHES NOMINAL IN; Bolt Circle Diameter: 8.250 INCHES NOMINAL IN. 21 total characteristics are documented in the Federal Logistics Information System.