Quick view Add to Cart Overhaul Instructions with Parts for Valve, Barometric Sump Pressurizing Document Part Number: T.O. No. 7J6-7-5-23 Number of pages: 6Part Number: T.O. No. 7J6-7-5-23Revision Date: 15-Oct-1957Description: Manufactured By: Standard-Thomson Corp / For Models: 08-17311 and 08-17311A MSRP: Was: Now: $15.00