Defense Program Sustainment Analysis

Obsolescence Risk and Impact

MK VI PB Mark VI Patrol Boat

Updated March 2024

906

Parts with Declining Procurement

Manufacturers with Declining Procurement

1,740

Obsolete Parts

799

Sole Sourced Parts

Obsolescence Risk and Impact: MK VI PB

Ark.ai conducted a sustainment program analysis of the MK VI PB Mark VI Patrol Boat 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 MK VI PB program relies on. The program analysis focuses particularly on obsolescence risk, including obsolete NiiNs, declining procurement, and sole sourced parts.

The analysis of the MK VI PB program resulted in the following statistics. There are 906 Parts with Declining Procurement and 41 Manufacturers with Declining Procurement. The count of Obsolete Parts is 1,740 and the MK VI PB program is dependent on 799 Sole Sourced Parts.

Information about the critical vendors for the MK VI PB 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.	120	$13,431	$13,431
L3Harris Technologies, Inc.	101	$18,481,427	$404.82
Westerbeke Corporation	94	$41,653	$795.62
Rockwell Collins, Inc.	29	$50,506	$108.15
Miller-Leaman, Inc.	20	$1,000	$200.00

Top Sole Sourced NiiNs

NiiN	Description	Unit Price	Vendor Name
016583419	CHUTE ASSEMBLY,AMM	$8,463	NOBLES WORLDWIDE INC
016583416	CHUTE ASSEMBLY,AMM	$6,961	NOBLES WORLDWIDE INC
016625902	BREATHER	$6,931	AMERICAN VULKAN CORP
251611030	SCREW,CAP,SOCKET HEAD	$6,442	KONGSBERG DEFENCE AND AEROSPACE AS
015982872	CABLE ASSEMBLY,POWER,ELECTRICAL,BRANCHED	$5,990	BAE SYSTM LAND AND ARMAMENTS LP

Top Obsolete NiiNs

NiiN	Description	WSDC Count	Authorized Suppliers
009338120	WASHER,LOCK	1	36
009296395	WASHER,LOCK	1	38
009338121	WASHER,LOCK	1	23
005825677	WASHER,FLAT	1	17
007225998	WASHER,FLAT	1	31

Top Weapon System Designator Codes

WSDC	Name	NiiN Count	Percent of Total NiiNs
2KN	MK VI PATROL BOAT	2,107	98.1%
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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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