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maritime DC & PPE Information Center
 
personnel protection
Submarine U.S. Navy Complete MK-1 Inflatable Vest I446 (For submarine use) 
Same as model I441 but available as a complete unit. Just install the CO2 cylinder and batteries for the light and it's ready for use.
Includes I441 Life Preserver Vest Type, Mark 1 with assembled options.

Optional Features:

  • Model I440 (NSN 4220-01-487-2926) inflatable chamber; 100% yellow nylon with urethane & UV protective coating.
  • Model I920 LTE (NSN 4220-01-487-2929) ACR Strobe Light attached with Safety line, and Velcro® patch to attach to shoulder of the vest when in use.
  • I001 WHL (NSN 4220-01-487-2931) USCG approved audible whistle in tether leather.
  • I701 Kit (NSN 4220-01-470-9906) Secumatic 3001 Chemical pill inflator.
  • One 24 gram CO2 Cylinder (NSN 4220-01-487-2878)

For more information, see www.stearnsinc.com.

Image of MK-1 Vests
COLOR SIZE NSN
White (WHT) S (36-38) 4220-01-487-2940
M (40-42) 4220-01-487-3192
L (44-46) 4220-01-487-3300
XL (48-50) 4220-01-487-3657
Red (RED) S (36-38) 4220-01-487-2950
M (40-42) 4220-01-487-3201
L (44-46) 4220-01-487-3619
XL (48-50) 4220-01-487-3659
Green (GRN) S (36-38) 4220-01-487-2961
M (40-42) 4220-01-487-3204
L (44-46) 4220-01-487-3624
XL (48-50) 4220-01-487-3660
Blue (BLU) S (36-38) 4220-01-487-2963
M (40-42) 4220-01-487-3206
L (44-46) 4220-01-487-3625
XL (48-50) 4220-01-487-3661
Brown (BRN) S (36-38) 4220-01-487-2978
M (40-42) 4220-01-487-3239
L (44-46) 4220-01-487-3650
XL (48-50) 4220-01-487-3666
Yellow (YEL) S (36-38) 4220-01-487-2980
M (40-42) 4220-01-487-3294
L (44-46) 4220-01-487-3652
XL (48-50) 4220-01-487-3667
Purple (PUR) S (36-38) 4220-01-487-3190
M (40-42) 4220-01-487-3297
L (44-46) 4220-01-487-3655
XL (48-50) 4220-01-487-3669