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maritime DC & PPE Information Center
 

personnel protection

Submarine U.S. Navy MK-1 Inflatable Vest (Shell Only) I441 (For submarine use)

The Model I441 MK-1 inflatable life preserver is designed to meet the Naval Sea Systems Command for a durable and reliable shipboard life preserver. Model I441 is made in accordance to select requirements of Underwriters Laboratories Standard UL 1180.

Key Features:

  • 67 Sq. inches of reflective tape, 30 Sq. inches on front and 37 Sq. inches on back.

  • Waist belt with YKK® buckle for a secure fit in and out of the water; belt tunnel to reduce snagging.

  • Fall protection harness opening on back to accommodate most fall protection gear; reinforced 3" x 1" opening.

  • Velcro® patch on left shoulder to hold strobe light in place away from the eyes.

  • Two 5" x 4" equipment pockets on the left side.

Shell Fabric:

Made with fire retardant 88% cotton, 12% high-tenacity nylon, rugged twill fabric.

Pockets:

Pockets feature full 1" x 5" Velcro® closures. Top pocket is partitioned to hold strobe light and whistle. Bottom pocket designed for added personal gear.

Closure:

Heavy-duty Vislon® zipper with safety webbing across zipper to minimize snagging and hold vest closed. 1" waist belt with YKK® buckle, enclosed belt tunnel to reduce snagging.

Image of MK-1 Vests

For more information, see www.stearnsinc.com.

Image of men and helicopter

COLOR

SIZE

NSN:

White (WHT)

S (36-38)

4220-01-487-2937

M (40-42)

4220-01-487-3191

L (44-46)

4220-01-487-3299

XL (48-50)

4220-01-487-3656

Red (RED)

S (36-38)

4220-01-487-2946

M (40-42)

4220-01-487-3198

L (44-46)

4220-01-487-3618

XL (48-50)

4220-01-487-3658

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)

4220-01-487-2968

M (40-42)

4220-01-487-3209

L (44-46)

4220-01-487-3645

XL (48-50)

4220-01-487-3662

Brown (BRN)

S (36-38)

4220-01-487-2977

M (40-42)

4220-01-487-3238

L (44-46)

4220-01-487-3649

XL (48-50)

4220-01-487-3665

Yellow (YEL)

S (36-38)

4220-01-487-2979

M (40-42)

4220-01-487-3293

L (44-46)

4220-01-487-3651

XL (48-50)

4220-01-487-3664

Purple (PUR)

S (36-38)

4220-01-487-3189

M (40-42)

4220-01-487-3296

L (44-46)

4220-01-487-3654

XL (48-50)

4220-01-487-3668