The Gear,internal, cataloged under National Stock Number 3020-01-306-4040, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Warn Industries, Inc. Dba Warn Div Warn Industries. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-306-4040 |
| Primary Part Number | 21878 |
| Item Name | Gear,internal |
| FSC / FSG | 3020 / 30 — No Item Name Available |
| Manufacturer | Warn Industries, Inc. Dba Warn Div Warn Industries |
| Status | ACTIVE |
| Teeth Quantity | 75 |
| Body Style | PLAIN, SOLID |
| Material | STEEL COMP 1018 OR STEEL COMP 1020 OVERALL |
| Pitch Diameter | 4.6875 INCHES NOMINAL IN |
| Pressure Angle | 20.0000 DEGREES |
| Style Designator | PLAIN RING |
| Teeth Type | SPUR |
| Nominal Overall Length | 1.350 INCHES IN |
| Nominal Outside Diameter | 5.470 INCHES IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 21878 | Warn Industries, Inc. Dba Warn Div Warn Industries (USA) |
| 2280W | Paccar Winch Inc Dba Paccar Winch Division (USA) |
| 981423 ITEM 43 | Warn Industries Inc (USA) |
| 981016 | Warn Industries Inc (USA) |
| 21878 | Warn Industries Inc (USA) |
| 981423 ITEM 43 | Warn Industries, Inc. Dba Warn Div Warn Industries (USA) |
NSN 3020-01-306-4040 is a Gear,internal, manufactured by Warn Industries, Inc. Dba Warn Div Warn Industries, classified under FSC 3020 (No Item Name Available). Status: active.
NSN 3020-01-306-4040 has 6 cross-referenced part numbers: 21878 (Warn Industries, Inc. Dba Warn Div Warn Industries), 2280W (Paccar Winch Inc Dba Paccar Winch Division), 981423 ITEM 43 (Warn Industries Inc), 981016 (Warn Industries Inc), 21878 (Warn Industries Inc) and 1 more.
There are 11 known substitutes for 3020-01-306-4040: 3110-00-144-8662, 5325-00-171-4680, 3895-00-240-7203 and 8 more. Verify interchangeability with system specifications before substitution.
Key specifications for 21878: Teeth Quantity: 75; Special Features: 3.0.375IN. BOSS LOCATED 120 DEGREES APART OUTER SURFACE IN; Body Style: PLAIN, SOLID; Material: STEEL COMP 1018 OR STEEL COMP 1020 OVERALL. 11 total characteristics are documented in the Federal Logistics Information System.