Original U.S. Vietnam War Era Helicopter Pilot Astrocom SPH-4 Helmet - Dated 1978 - Size Regular Snider Rifle Parts The 37 is supposed to

The 37 is supposed to indicate the measure of the collar in centimeters

For gallantry and intrepidity at the risk of his own life

marked STERLING B on the reverse

Also painted is the French flag and 29th Division insignia

In the early 1880s

Original U.S. Vietnam War Era Helicopter Pilot Astrocom SPH-4 Helmet - Dated 1978 - Size Regular Snider Rifle Parts The 37 is supposed toOriginal Item: Only One Available. This is a United States Helicopter Flight Helmet type SPH 4 made by Astrocom. The helmet is in overall great, mostly complete condition with the liner, clear functional visor, boom mic, and some pilot applied tape. The partial original label reads: HELMET, FLYERS SPH 4 REGULAR .. 00 144 4981 .. 00 78 C 1041 ELECT. INC. Only half of the label is there but from previous examples weve had we know this to have been made