The Clutch Assembly,friction, cataloged under National Stock Number 2520-00-428-0973, is classified within Federal Supply Class 2520 (No Item Name Available) of the Vehicular Equipment Components group. The primary manufacturer of record is Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2520-00-428-0973 |
| Primary Part Number | 33446 |
| Item Name | Clutch Assembly,friction |
| FSC / FSG | 2520 / 25 — No Item Name Available |
| Manufacturer | Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic |
| Status | ACTIVE |
| Overall Diameter | 3.848 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 2520-00-428-0973 is a Clutch Assembly,friction, manufactured by Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic, classified under FSC 2520 (No Item Name Available). Status: active.
NSN 2520-00-428-0973 has 3 cross-referenced part numbers: 33446 (Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic), 2587724 (Naval Ship Systems Command), XB3158A (Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic).
There are 10 known substitutes for 2520-00-428-0973: 5310-00-138-6625, 3455-00-187-2578, 5355-00-249-7761 and 7 more. Verify interchangeability with system specifications before substitution.
Key specifications for 33446: Special Features: 60 TEETH;FILLET ROOT SPINE;16 DIA PITCH;14.5 DEG PRESSURE ANGLE;3.750 IN. PD;TWO BORE GROOVES;BORE KEYWAY WD 0.251 IN.;BORE DIA W/KEYWAY 1.373 IN.,WITHOUT KEYWAY 1.251 IN. IN; Overall Diameter: 3.848 INCHES NOMINAL IN. 2 total characteristics are documented in the Federal Logistics Information System.