UPPER VALVE ASSEMBLY FOR LONG STYLE AIR PACKS IN M35A2 TRUCKS. 

NOT FOR USE IN 5 TON MODELS OR IN THE SHORT STYLE AIR PACK. 

SEE DIAGRAM, ALL IN RED IS INCLUDED IN THE ASSEMBLY. 

NEW OLD STOCK ORIGINAL PART. 

PART # 7539338 NSN 2530-00-753-9338, 2530007539338