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Modular Sleep System (MSS) [and Improved MSS (IMSS)] NSN's
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Author:  armyproperty [ Mon Feb 19, 2018 5:10 am ]
Post subject:  Modular Sleep System (MSS) [and Improved MSS (IMSS)] NSN's
Here they are:

"Original" MSS (dating back to mid-1990s): http://www.armyproperty.com/nsn/8465-01-445-6274
All versions of the MSS and IMSS fall under the same Line Item Number (LIN): https://www.armyproperty.com/lin/M60483

The 4-Part Modular Sleep System (MSS) (Regular Size) includes the following items:

1. Camo Green (OD Green) Patrol Sleeping Bag, http://www.armyproperty.com/nsn/8465-01-398-0685
Rated for temperatures 50 to 30°. Reversible double-pull (opens end to end) slider allows top or bottom ventilation. Non-locking slide fastener self repairs if jammed or snagged. Draft flap prevents heat loss. Hood adjusts for heat retention; includes nylon drawcord and barrel lock. X-Long version measures 87-89″ Long and 35-37″ Wide (22-24″ at foot). 3lbs.

2. Black Intermediate Cold Weather (ICW) Sleeping Bag, http://www.armyproperty.com/nsn/8465-01-398-0687
Rated for temperatures 30 to -10°. Sewn insulation does not migrate in the bag. Anatomically designed foot box contains twice the insulation as the bag. Sewn-in, quilted chest collar prevents air drafts up and down through the hood. Hood adjusts for heat retention; includes nylon drawcord and barrel lock. X-Long version measures 87-89″ Long and 34-36″ Wide (21-23″ at foot). 4lbs.

3. Black Compression Stuff Sack, http://www.armyproperty.com/nsn/8465-01-398-5428
Compressible to one cubic foot, six or nine 1″-wide nylon webbing straps adjust by ladder lock buckles. Measures up to 23.5″ in length, Just over 10″ in diameter.

4. Woodland Camouflage Waterproof Bivy Cover, http://www.armyproperty.com/nsn/8465-01-416-8517
Made of waterproof and windproof 3-layer GORE-TEX® fabric. When combined with Patrol and ICW bags, the system is rated to climates -20 and to -50° with proper clothing. Approved by all agencies of the DOD.
X-Long version measures 87-89″ Long and 34-36″ Wide (27-29″ at foot).
Author:  armyproperty [ Mon Feb 19, 2018 5:34 am ]
Post subject:  Re: Modular Sleep System (MSS) [and Improved MSS (IMSS)] NSN
There is also a 3-Part MSS, which has items 1-3 shown above, but no bivy cover: http://www.armyproperty.com/nsn/8465-01-395-1154

Additionally, there are Extra-Long versions of the Patrol Sleeping Bag, ICW Sleeping Bag, and Bivy Cover:
OD Green Patrol Bag: https://www.armyproperty.com/nsn/8465-01-452-1688
Black ICW Sleeping Bag: https://www.armyproperty.com/nsn/8465-01-452-1690
Woodland Camo Bivy Cover: https://www.armyproperty.com/nsn/8465-01-452-1695

In 2007, the Army introduced a 5-part Improved Modular Sleeping System (IMSS) which added a second stuff sack, and updated the colors to reflect the Army's newer ACU/UCP camouflage pattern.

Here is the NSN for the IMSS in "Regular" size: https://www.armyproperty.com/nsn/8465-01-547-2757
Here's the IMSS in "X-Long" size: https://www.armyproperty.com/nsn/8465-01-551-9876
(Before getting a "real" NSN, the IMSS had the following "non-standard" NSN: http://www.armyproperty.com/nsn/8465-MR-445-6274)

Here are the components of the IMSS:

1. Foliage Green Patrol Sleeping Bag
Regular: http://www.armyproperty.com/nsn/8465-01-547-2706
X-Long: http://www.armyproperty.com/nsn/8465-01-547-2712

2. Urban Gray Intermediate Cold Weather (ICW) Sleeping Bag
Regular: http://www.armyproperty.com/nsn/8465-01-547-2694
X-Long: http://www.armyproperty.com/nsn/8465-01-547-2697

3. Foliage Green (Small) Compression Stuff Sack, http://www.armyproperty.com/nsn/8465-01-547-2656

4. Foliage Green (Large) Compression Stuff Sack, http://www.armyproperty.com/nsn/8465-01-547-2670

5. ACU Pattern (UCP) Waterproof Bivy Cover
Regular: http://www.armyproperty.com/nsn/8465-01-547-2644
X-Long: http://www.armyproperty.com/nsn/8465-01-547-2355

There are two sleeping mats (aka "sissy pads") that are typically used with the MSS and IMMS:
(Standard foam version): https://www.armyproperty.com/nsn/8465-01-109-3369
(Self-Inflating Version): https://www.armyproperty.com/nsn/8465-01-393-6515
Author:  armyproperty [ Sun Mar 04, 2018 8:52 pm ]
Post subject:  Re: Modular Sleep System (MSS) [and Improved MSS (IMSS)] NSN
Also, as an FYI, here are the NSN's for the USMC "3S" ("3-Season") Sleep System. usmc-3-season-sleep-system-3s-nsn-s-t20802.html
Author:  armyproperty [ Wed Apr 11, 2018 5:29 am ]
Post subject:  Re: Modular Sleep System (MSS) [and Improved MSS (IMSS)] NSN
FYI -- before the MSS was rolled out, there was something called the "Extreme Cold Weather Sleeping System" (ECWSS)

IAW TM 10-8400-203-23
Complete Set: www.armyproperty.com/nsn/8465-01-306-2681 (USMC TAMCN: V46252F)
Extreme Cold Weather (ECW) Sleeping Bag: www.armyproperty.com/nsn/8465-01-305-6991
Hood and Socks: www.armyproperty.com/nsn/8465-01-305-6359
Bivy Cover: www.armyproperty.com/nsn/8465-01-305-4688
Stuff Sack / Stuff Bag: www.armyproperty.com/nsn/8465-01-305-6360
* Note: Bivy Cover for Intermediate Cold Weather Sleeping System: www.armyproperty.com/nsn/8465-01-305-4688
* Stuff Sack: www.armyproperty.com/nsn/8465-01-305-6360
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