The Hub and Back Plate, cataloged under National Stock Number 2520-00-628-9478, 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 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 2520-00-628-9478 |
| Primary Part Number | 9561 |
| Item Name | Hub and Back Plate |
| FSC / FSG | 2520 / 25 — No Item Name Available |
| Manufacturer | Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic |
| Status | CANCELLED |
| General Characteristics Item Description | CAST IRON,CONSISTS OF HUB AND CLUTCH BACK PLATE,11.370 IN. MIN TO 11.375 IN. O/A DIA,BACK PLATE HAS8 HOLES 17/32 IN. DRILLED THRU EQUALLY SPACED,5/8-11 NC TAP,THRU,ALSO 2 HOLES 11/32 IN. DRILL,1-1/2 IN. DEEP,180 DEG APART,9 RIBS 1/4 IN. WIDE EQUALLY SPACED,5-3/16 IN.HUB DIA IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
NSN 2520-00-628-9478 is a Hub and Back Plate, manufactured by Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic, classified under FSC 2520 (No Item Name Available). Status: cancelled.
NSN 2520-00-628-9478 has 3 cross-referenced part numbers: 9561 (Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic), ZA6106A (Chicago Pneumatic Tool Co), 5199514 (Rolls-Royce Solutions America Inc).
There are 4 known substitutes for 2520-00-628-9478: 2920-00-845-2745, 5985-01-159-0718, 5930-01-327-3673 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for 9561: General Characteristics Item Description: CAST IRON,CONSISTS OF HUB AND CLUTCH BACK PLATE,11.370 IN. MIN TO 11.375 IN. O/A DIA,BACK PLATE HAS8 HOLES 17/32 IN. DRILLED THRU EQUALLY SPACED,5/8-11 NC TAP,THRU,ALSO 2 HOLES 11/32 IN. DRILL,1-1/2 IN. DEEP,180 DEG APART,9 RIBS 1/4 IN. WIDE EQUALLY SPACED,5-3/16 IN.HUB DIA IN. 1 total characteristics are documented in the Federal Logistics Information System.
NSN 2520-00-628-9478 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.