Defense Program Sustainment Analysis

Obsolescence Risk and Impact

ST-900 900 Series Small Tug

Updated March 2024

258

Parts with Declining Procurement

Manufacturers with Declining Procurement

1,874

Obsolete Parts

338

Sole Sourced Parts

Obsolescence Risk and Impact: ST-900

Ark.ai conducted a sustainment program analysis of the ST-900 900 Series Small 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 ST-900 program relies on. The program analysis focuses particularly on obsolescence risk, including obsolete NiiNs, declining procurement, and sole sourced parts.

The analysis of the ST-900 program resulted in the following statistics. There are 258 Parts with Declining Procurement and 20 Manufacturers with Declining Procurement. The count of Obsolete Parts is 1,874 and the ST-900 program is dependent on 338 Sole Sourced Parts.

Information about the critical vendors for the ST-900 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
Hose-McCann Telephone Co., Inc.	27	$103,481	$618.05
The Carlisle and Finch Company	26	$3,825	$765.00
W. S. Darley & Co.	18	$690,291	$530.09
Oshkosh Defense, LLC	17	$15,632	$10.34
CNH Industrial America LLC	13	$4,863	$15.39

Top Sole Sourced NiiNs

NiiN	Description	Unit Price	Vendor Name
012505959	TELEPHONE SET	$2,596	HOSE MCCANN TELEPHONE CO INC
012747054	HANDSET	$975	HOSE MCCANN TELEPHONE CO INC
014320330	IMPELLER,PUMP,CENTRIFUGAL	$901	W S DARLEY AND CO
010964792	TEST KIT,OIL CONDITION	$887	GERIN CORP INC
014499718	TIE DOWN,CARGO,VEHICLE	$824	PECK AND HALE LLC

Top Obsolete NiiNs

NiiN	Description	WSDC Count	Authorized Suppliers
009338119	WASHER,LOCK	1	21
009349751	NUT,PLAIN,HEXAGON	1	22
008206653	WASHER,LOCK	1	9
002804960	FUSE,CARTRIDGE	1	6
002808342	FUSE,CARTRIDGE	1	1

Top Weapon System Designator Codes

WSDC	Name	NiiN Count	Percent of Total NiiNs
XMA	TUG, SMALL 900 CLASS 60' NSN 1925-01-435-1713	826	96.8%
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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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