Defense Program Sustainment Analysis

Obsolescence Risk and Impact

H-53 Sikorsky Heavy Lift Family

Updated March 2024

14,155

Parts with Declining Procurement

2,835

Manufacturers with Declining Procurement

165,477

Obsolete Parts

53,969

Sole Sourced Parts

Obsolescence Risk and Impact: H-53

Ark.ai conducted a sustainment program analysis of the H-53 Sikorsky Heavy Lift Family 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 H-53 program relies on. The program analysis focuses particularly on obsolescence risk, including obsolete NiiNs, declining procurement, and sole sourced parts.

The analysis of the H-53 program resulted in the following statistics. There are 14,155 Parts with Declining Procurement and 2,835 Manufacturers with Declining Procurement. The count of Obsolete Parts is 165,477 and the H-53 program is dependent on 53,969 Sole Sourced Parts.

Information about the critical vendors for the H-53 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
Sikorsky Aircraft Corporation	10,224	$105,274,331	$1,305.00
Sikorsky Aircraft Corporation	9,264	$117,185	$534
Rockwell Collins, Inc.	6,126	$285,761	$256.10
Hamilton Sundstrand Corporation	1,839	$4,590,341	$1,432.41
General Electric Company	1,788	$6,075,526	$1,505

Top Sole Sourced NiiNs

NiiN	Description	Unit Price	Vendor Name
013841383	BULKHEAD,AIRCRAFT	$207,629	SIKORSKY AIRCRAFT CORP
014477861	WINDOW ASSEMBLY,ESCAPE	$110,234	SIKORSKY AIRCRAFT CORP
013833487	STEP ASSEMBLY WINCH	$87,886	SIKORSKY AIRCRAFT CORP
001256478	ADAPTER KIT,SEALS	$85,324	RHINESTAHL CORP
014580782	PANEL,RELAY	$81,498	SIKORSKY AIRCRAFT CORP

Top Obsolete NiiNs

NiiN	Description	WSDC Count	Authorized Suppliers
009338120	WASHER,LOCK	5	36
009296395	WASHER,LOCK	5	38
009338121	WASHER,LOCK	5	23
009338118	WASHER,LOCK	4	34
009338119	WASHER,LOCK	5	21

Top Weapon System Designator Codes

WSDC	Name	NiiN Count	Percent of Total NiiNs
CFN	HELICOPTER, MH-53E	76,113	69.4%
EAN	HELICOPTERS CH-53	75,546	68.9%
41N	HELICOPTER, CH-53 D/E	52,663	48.0%
DZN	CH-53/K HELICOPTER	13,677	12.5%
50N	ENGINE, AIRCRAFT T-64	9,137	8.30%

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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EXPLORE ADDITIONAL ANALYSES

ABOUT ARK.AI

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