Defense Program Sustainment Analysis

Obsolescence Risk and Impact

HEMTT Heavy Expanded Mobility Tactical Truck

Updated March 2024

4,838

Parts with Declining Procurement

1,008

Manufacturers with Declining Procurement

41,847

Obsolete Parts

8,342

Sole Sourced Parts

Obsolescence Risk and Impact: HEMTT

Ark.ai conducted a sustainment program analysis of the HEMTT Heavy Expanded Mobility Tactical Truck 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 HEMTT program relies on. The program analysis focuses particularly on obsolescence risk, including obsolete NiiNs, declining procurement, and sole sourced parts.

The analysis of the HEMTT program resulted in the following statistics. There are 4,838 Parts with Declining Procurement and 1,008 Manufacturers with Declining Procurement. The count of Obsolete Parts is 41,847 and the HEMTT program is dependent on 8,342 Sole Sourced Parts.

Information about the critical vendors for the HEMTT 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
Oshkosh Defense, LLC	13,561	$77,718,440	$340.34
Pierce Manufacturing Inc.	1,564	$20,278	$497.95
Rolls-Royce Solutions America Inc.	1,057	$372,276	$62.35
Grove U.S. L.L.C	1,030	$706,669	$1,434.44
Caterpillar Inc.	974	$2,022,434	$212.80

Top Sole Sourced NiiNs

NiiN	Description	Unit Price	Vendor Name
015517727	CAB ASSEMBLY	$89,817	OSHKOSH DEFENSE LLC
014393045	TANK,TRUCK MOUNTED	$85,090	OSHKOSH DEFENSE LLC
015802577	CAB ASSEMBLY	$44,881	OSHKOSH DEFENSE LLC
012156635	BODY,CARGO TRUCK	$17,323	OSHKOSH DEFENSE LLC
015591380	ARMOR,SUPPLEMENTAL,SMALL ARMS-FRAGMENTATION PROTECTIVE	$14,844	BAE SYSTM LAND AND ARMAMENTS LP

Top Obsolete NiiNs

NiiN	Description	WSDC Count	Authorized Suppliers
009338120	WASHER,LOCK	1	36
009338121	WASHER,LOCK	1	23
009338119	WASHER,LOCK	1	21
006191148	WASHER,FLAT	1	6
005825677	WASHER,FLAT	1	17

Top Weapon System Designator Codes

WSDC	Name	NiiN Count	Percent of Total NiiNs
72A	TRUCK, HEAVY EXPANDED MOBILITY TACTICAL (HEMTT)	21,886	97.6%
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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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