The M1 canteen cap allows water to be consumed from a canteen (1-quart or 2-quart) while the user is wearing a protective mask equipped with a drinking tube (M17A1/M17A2/M40/M42).

Instruction

• "No Unauthorized Hydration Please," PS, The Preventive Maintenance Monthly, January 2012, p. 41. [pdf]

Specification

• MIL-C-51278

Nomenclature

• CAP, WATER CANTEEN, FIELD, 1 QUART AND 2 QUART CANTEENS

Logistics

• 8465-00-930-2077

Replacement

• Water canteen cap for use with the M50/M51/M52 series masks: 8465-01-529-9800

Reference

• http://www.sonetronics.com/products_detail.php?intIdProduct=46
• http://www.benning.army.mil/infantry/magazine/issues/2013/May-June/Kennedy.html
• http://www.tecom.marines.mil/Portals/120/Docs/Student Materials/FMST Manual/M40FMST1221.doc
• https://ke.army.mil/bordeninstitute/published_volumes/chemwarfare/Ch17_pg559-592.pdf
• http://www.gulflink.osd.mil/mopp/mopp_ref/n07en007/cdequip.htm