Defense Program Sustainment Analysis

Obsolescence Risk and Impact

T-ATF 166 Powhatan Class Fleet Ocean Tug

Updated March 2024

1,941

Parts with Declining Procurement

124

Manufacturers with Declining Procurement

47,078

Obsolete Parts

6,383

Sole Sourced Parts

Obsolescence Risk and Impact: T-ATF 166

Ark.ai conducted a sustainment program analysis of the T-ATF 166 Powhatan Class Fleet Ocean Tug 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 T-ATF 166 program relies on. The program analysis focuses particularly on obsolescence risk, including obsolete NiiNs, declining procurement, and sole sourced parts.

The analysis of the T-ATF 166 program resulted in the following statistics. There are 1,941 Parts with Declining Procurement and 124 Manufacturers with Declining Procurement. The count of Obsolete Parts is 47,078 and the T-ATF 166 program is dependent on 6,383 Sole Sourced Parts.

Information about the critical vendors for the T-ATF 166 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
Rockwell Collins, Inc.	1,750	$56,384	$2,867.59
Rolls-Royce Solutions America Inc.	741	$143,141	$49
L3Harris Technologies, Inc.	654	$25	$2.50
Keysight Technologies, Inc.	560	$865	$2.14
TE Connectivity Corporation	268	$9,907	$991

Top Sole Sourced NiiNs

NiiN	Description	Unit Price	Vendor Name
005165002	FAN,VANEAXIAL	$90,053	HOWDEN AMERICAN FAN CO
010603476	DUMMY LOAD,ELECTRICAL	$27,395	R L C ELECTRONICS INC
012568956	VALVE,FLOAT	$13,997	GARDNER DENVER NASH LLC
012606974	VALVE,CHECK	$13,742	TATE ANDALE LLC
012291033	PANEL,CONTROL,ELECTRICAL-ELECTRONIC EQUIPMENT	$13,226	ROCKWELL COLLINS INC

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
VGN	POWHATAN CLASS T-ATF 166	16,457	97.0%
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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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