Defense Program Sustainment Analysis

Obsolescence Risk and Impact

MCS Modular Causeway System

Updated March 2024

386

Parts with Declining Procurement

Manufacturers with Declining Procurement

3,895

Obsolete Parts

641

Sole Sourced Parts

Obsolescence Risk and Impact: MCS

Ark.ai conducted a sustainment program analysis of the MCS Modular Causeway System program, examining the vendors, their suppliers, manufacturers, shippers, and other members of the supply chain ‚Äì as well as the critical parts and NiiNs the MCS program relies on. The program analysis focuses particularly on obsolescence risk, including obsolete NiiNs, declining procurement, and sole sourced parts.

The analysis of the MCS program resulted in the following statistics. There are 386 Parts with Declining Procurement and 18 Manufacturers with Declining Procurement. The count of Obsolete Parts is 3,895 and the MCS program is dependent on 641 Sole Sourced Parts.

Information about the critical vendors for the MCS program, as well as a list of the obsolete and sole sourced parts, are included in the following tables.

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Top Organizations by NiiN Count

Name	Count of NiiNs	Dollars Awarded	Average Unit Price
Rolls-Royce Solutions America Inc.	560	$144,183	$19.31
Oshkosh Defense, LLC	272	$48,771	$6.20
Doosan Bobcat North America, Inc.	121	$20,830	$46.55
Twin Disc, Incorporated	62	$6,337	$180.06
Zodiac of North America, Inc.	34	$855.11	$23.19

Top Sole Sourced NiiNs

NiiN	Description	Unit Price	Vendor Name
015001232	FIBER ROPE ASSEMBLY,SINGLE LEG	$4,140	ATLANTIC CORDAGE CORP
013383852	RING,BEARING,INNER	$548	TWIN DISC INC
014656342	FIXTURE,LIGHTING	$345	LCDOANE COMPANYTHE
005423359	REPAIR KIT,PIPE,EMERGENCY DAMAGE CONTROL	$326	ABBEY COLOR INC
014955951	LAMPHOLDER	$176	CLARK EQUIPMENT CO

Top Obsolete NiiNs

NiiN	Description	WSDC Count	Authorized Suppliers
009338120	WASHER,LOCK	1	36
009338119	WASHER,LOCK	1	21
009847042	WASHER,LOCK	2	18
004079566	WASHER,LOCK	2	21
009746623	WASHER,LOCK	1	12

Top Weapon System Designator Codes

WSDC	Name	NiiN Count	Percent of Total NiiNs
TUA	MODULAR WARPING TUG	1,072	66.6%
CFA	CAUSEWAY FERRY	982	61.0%
D4A	ROLL ON / ROLL OF DISCHARGE FACILITY	513	31.9%
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ABOUT OBSOLESCENCE RISK AND IMPACT

Evaluate the sustainability of critical national security programs and weapon systems. Understand critical vendors and manufacturers, the parts and NiiNs they supply for sustainment programs, the obsolescence risk for those NiiNs, and the potential impact on the program at large.

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