The valve is inserted through the backside of the wheel and clamped from the front with a nut and washer
A metal, or metal and rubber, tubular stem containing a valve core and cap. The mounting end may have a base with a fitting designed for mounting on a pneumatic tire, inner tube, or tire rim, to permit and retain inflation or permit deflation. The mounting end may be internally threaded for adaptability to a valve spud or may be provided with cure-on or clamp in features. The other end is externally threaded to accommodate a valve cap, and internally threaded to accommodate the valve core.
Dept. of the Army 
Dept. of the Air Force 
U.s. Marine Corps 
Dept. of the Navy 
U.s. Postal Service - Procurement and Supplies Dept. Classification: Other taps, cocks, valves, etc., nesoi
NSN 5960-01-466-4153
NSN 6320-01-072-2073
NSN 6650-00-170-5095
NSN 7035-01-145-5059
NSN 6320-01-275-3972
NSN 5905-01-352-0974
NSN 6620-00-961-5426
NSN 2925-01-180-7793
NSN 5835-00-431-4451
NSN 6320-00-977-3930
NSN 7035-00-251-8201
NSN 5930-01-313-2716