Defense Program Sustainment Analysis

Obsolescence Risk and Impact

M113 Armored Personnel Carrier

Updated March 2024

3,521

Parts with Declining Procurement

Manufacturers with Declining Procurement

28,223

Obsolete Parts

5,357

Sole Sourced Parts

Obsolescence Risk and Impact: M113

Ark.ai conducted a sustainment program analysis of the M113 Armored Personnel Carrier 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 M113 program relies on. The program analysis focuses particularly on obsolescence risk, including obsolete NiiNs, declining procurement, and sole sourced parts.

The analysis of the M113 program resulted in the following statistics. There are 3,521 Parts with Declining Procurement and 83 Manufacturers with Declining Procurement. The count of Obsolete Parts is 28,223 and the M113 program is dependent on 5,357 Sole Sourced Parts.

Information about the critical vendors for the M113 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.	806	$7,253,182	$267.72
Oshkosh Defense, LLC	508	$146,956	$16.32
BAE Systems Land & Armaments L.P.	381	$1,546,059	$891.81
General Motors LLC	275	$66,430	$0.70
General Dynamics Land Systems	209	$9,744	$4.24

Top Sole Sourced NiiNs

NiiN	Description	Unit Price	Vendor Name
015638242	INVERTER,POWER,STATIC	$12,998	MAGNETIC DESIGN LAB INC
013864798	INVERTER,POWER,STATIC	$11,499	MAGNETIC DESIGN LAB INC
015638239	CABLE ASSEMBLY-SWITCH,ELECTRICAL	$5,372	MAGNETIC DESIGN LAB INC
015889508	CABLE ASSEMBLY,SPECIAL PURPOSE,ELECTRICAL,BRANCHED	$5,000	REV CAP CO INC
010070343	STATOR,TORQUE CONVERTOR	$3,586	W W WILLIAMS CO LLC THE

Top Obsolete NiiNs

NiiN	Description	WSDC Count	Authorized Suppliers
009338120	WASHER,LOCK	1	36
009296395	WASHER,LOCK	1	38
009338121	WASHER,LOCK	1	23
009338118	WASHER,LOCK	1	34
009338119	WASHER,LOCK	1	21

Top Weapon System Designator Codes

WSDC	Name	NiiN Count	Percent of Total NiiNs
29A	CARRIER, PERS M-113A1, M-113A2, M-113A3	10,932	87.1%
84A	CARRIER, CARGO 6-TON (M548 & M548A1)	2,671	21.3%
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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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