Lack of fulfilment of conditions as set out in the Certification Agreement may render this Certificate invalid.

DET NORSKE VERITAS, 16340 PARK TEN PLACE, HOUSTON, TX 77084, TEL: 281-721-6600 - WWW.DNVCERT.COM

DET NORSKE VERITAS MANAGEMENT SYSTEM CERTIFICATE

Certificate No. CERT-03698-2005-AQ-HOU-ANAB

This is to certify that

WITTEN COMPANY INC. at

8199 North 116th East Avenue, Owasso, OK 74055 USA

has been found to conform to the Management System Standard:

ISO 9001:2000 and EN/JISQ/AS9100:2004

and has been audited in accordance with the requirements of: AS9104A

Det Norske Veritas Certification, Inc. is accredited under the Aerospace Registration Management Program.

This Certificate is valid for the following product or service ranges:

The Design and Manufacture of Fastener Inserts for Composites

Initial Certification date: March 08, 2002

Place and date:

Houston, Texas, March 11, 2008

This Certificate is valid until:

March 03, 2011

for the Accredited Unit: DET NORSKE VERITAS

CERTIFICATION INC., HOUSTON TEXAS

The audit has been performed under the supervision of

Richard Gammenthaler Robert Keys Lead Auditor

Management Representative

CROSS REFERENCE LIST & STANDARDS Thursday, April 09, 2009

WITTEN STANDARDS/OTHER SHUR-LOK YOUNG ENGINEERS ALCOA/TRIDAIR

2235 17-1-6611 (NATICK) AK515 (AVIBANK)

2253 17-1-6655 (NATICK) SL2251 TYE1400 400HE SERIES 2253 TYE3400 400SE SERIES 2338 TYE5117 2361 SL103 TYE103 2367 TYE2002 2395 TYE2161 2402 SL2334 TYE2334 D147HF SERIES 2402 TYE3006 400SF SERIES 2402 SL618 TYE2018 D137HF SERIES 2402 TYE3600 400HF SERIES 2444 SL6288 2445 SL101 TYE101 101 SERIES 2445 GAS501A SERIES SL102 TYE102 102 SERIES 2445 SL5182 TYE5182 2445 SL104 TYE104 104 SERIES 2445 SL106 TYE106 106 SERIES 2471 SL2748

SL2899 TYE2048

2483 SL2868 TYE2068 2487 SL2808 2487 SL2668 2491 SL5107 TYE5107 2494 SL644 TYE2044 2497 SL6096 TYE2046 2498 SL6089 TYE2043 2506 SL6089 TYE2043 2507 SL2899 2517 SL10631 TYE2069

MS20392 MS35914 NAO241 NAO242 NAO243 NAO244 NAO245 NAS42 NAS42 SERIES NAS43 NAS43 SERIES NAS77 NAS77 SERIES

NAS301 NAS301 SERIES NAS537 NAS537 SERIES NAS538 NAS538 SERIES NAS1056 NAS1056 SERIES NAS1057 NAS1057 SERIES NAS1835 NAS1835 SERIES SL606 TYE1835 D1835 SERIES NAS1836

2462 2535

NAS1836 SERIES SL607 TYE2001 D1836 SERIES

NAS1832 2367 2532

NAS1832 SERIES SL601 TYE2002 D1832 SERIES

NAS1833 NAS1833 SERIES SL602 TYE2007 D1833 SERIES NAS1834 NAS1834 SERIES SL603 TYE2003 D1834 SERIES NAS1834 NAS1834 SERIES SL604 TYE2004 D1834 SERIES

151 SERIES 17-1-4718 (NATICK) 141 SERIES 17-1-5540 (NATICK)

17-1-6655 (NATICK)

WITTEN COMPANY, INC. SPECIALIZES IN STATE-OF-THE-ART CUSTOM DESIGNED FASTENERS

SHORT LEAD TIME ON MANUFACTURED ITEMS ISO9001:2000, AS9100:2004, AND HubZone CERTIFIED

MANUFACTURED IN THE USA TEL:(918)272-9567 FAX(918)272-9411

www.wittenco.com

http://www.wittenco.com/

TYPICAL INSERT OR FASTENER APPLICATIONS

Ground Support Equip. RPVs Galleys Prosthetics Aircraft Interiors Cargo Pallets Floor Panels All Composite StructuresPartitions Flight Simulators Ships Aerospace Military Shelters Bulkheads Railcars Satellite Receivers Recreation Equip. Military Vehicles Fiberglass Products Race Cars Electronic Cabinetry Automobiles Snowmobiles Boats Flight Control Surface Helicopters UAVs Trucks

FASTENER & INDUSTRIAL HARDWARE PRODUCTS

Blind, Threaded Inserts Thru-Hole Inserts Flanged-Head Inserts Spacers Edge Panel Inserts Hardpoints Internal/ External Threads Knurled Bushings Two-piece Inserts Grommets Core Bushings NAS Equivalent Floating Inserts Quick Release Pin Press-In Insert Panel Thru-hole Press In Stud Receptacles Plug-Type Insert Sleeves

CUSTOMIZED ENGINEERING

Witten Company, Inc. is an engineering and manufacturing company specializing in fastening devices for composite structures. Our expertise is in the area of research, development, and manufacturing of threaded and non-threaded fasteners for a variety of composite systems. Our engineering team has the ability and experience to provide our customers with specialized solutions to difficult problems even when our wide range of standard products do not fit the requirement.

INSTALLATION DATA AVAILABLE UPON REQUEST

QUICK DELIVERY

For more information call or fax us your requirements.

WITTEN COMPANY, INC. 918-272-9567

SKIN SNAP-INGROOVE

L

C

CL B

SPIRALRIB

SELF-LOCKOPTIONAL

A

POTTING/VENT SLOTS

T (THREAD)

TABLE I

EXAMPLE: PART NUMBERING SYSTEM

TABLE II

151-M5-LK-12-SS-1SERIES PREFIX

THREAD CODE NO. (TABLE I)

ADD "LK" FOR SELF LOCK (NYLON)ADD "L" FOR SELF-LOCK (METALLIC CRIMP)

LENGTH DASH NO. (TABLE II)

MATERIAL:A=ALUMINUM ALLOY (CHEM FILM FINISH)C=CARBON STEEL (CAD PLATE FINISH)Z=CARBON STEEL (ZINC PLATED)SS=STAINLESS STEEL (PLAIN FINISH)SP=STAINLESS STEEL (PASSIVATED)

SKIN THICKNESS (TABLE III)

NOTES:1.THREADS PER MIL-S-77422.PATENT NO. 4,941,785 & 5,082,4053.NO. OF SPIRAL RIBS VARY WITH LENGTH

WITTEN COMPANY918-272-9567

REV:A 8/17/09

151 SERIESSHEET 1 OF 1

M3.5 M3.5x.6 .500 .12 .427 .468

M4 M4x.7 .500 .12 .427 .468

M5 M5x.8 .531 .12 .458 .500

M6 M6x1 .594 .16 .521 .562

M8x1 M8x1 .656 .20 .583 .625

M8x1.25 M8x1.25 .656 .20 .583 .625

M10x1.25 M10x1.25 .719 .20 .646 .687

M10x1.5 M10x1.5 .719 .20 .646 .687

M12x1.5 M12x1.5 .844 .20 .771 .812

M12x1.75 M12x1.75 .844 .20 .771 .812

CODE NO. TTHREADA

DIA.010

BSELF-LOCK.06

CDIA

.010

INSTALLATIONHOLE

+.010 /-.000

DASHNO.

L .03LENGTH MINIMUM FULL THREAD DEPTH

M 3.5 M 4 M 5 M 6 M 8 M 10 M 12

-5 .312 .162 .162 - - - - --6 .375 .225 .225 .175 - - - --7 .437 .276 .287 .237 - - - -

-8 .500 .276 .328 .300 .225 - - --10 .625 .276 .328 .375 .350 .350 .350 --12 .750 .276 .328 .375 .475 .475 .475 .400

-14 .875 .276 .328 .375 .500 .600 .600 .525-16 1.000 .276 .328 .375 .500 .625 .725 .650-18 1.125 .276 .328 .375 .500 .625 .750 .775

-20 1.250 .276 .328 .375 .500 .625 .750 .900-22 1.375 .276 .328 .375 .500 .625 .750 1.000-24 1.500 .276 .328 .375 .500 .625 .750 1.000

TABLE IIIDASHNO.

SKIN THICKNESSINSTALLATION SIDE

-1 .010 - .019-2 .020 - .029-3 .030 - .039-4 .040 - .049-5 .050 - .059-6 .060 - .069-7 .070 - .079-8 .080 - .089-9 .090 - .099

METRIC 151 SERIES - "SPIRAL RIB"THREADED INSERT, BLIND, SNAP-IN HEAD STYLE

HEAVY DUTY, "HIGH PERFORMANCE"

BODY, INSERT

END CAP,ALUMINUM

"A"

" T " THREAD

FLOATING NUT1/32 RADIALMOVEMENT

SHEET 1 OF 2

TABLE I

CODENO.

TTHREAD

ADIA

+.000-.010

INSTLHOLEDIA

832 8-32 UNC .685 .686 - .691

1032 10-32 UNF .685 .686 - .691

420 1/4-20 UNC .748 .749 - .755

428 1/4-28 UNF .748 .749 - .755

518 5/16-18 UNC .810 .811 - .817

524 5/16-24 UNF .810 .811 - .817

616 3/8-16 UNC .873 .874 - .880

624 3/8-24 UNF .873 .874 - .880

714 7/16-14 UNC .936 .937 - .943

720 7/16-20 UNF .936 .937 - .943

813 1/2-13 UNC 1.061 1.062 - 1.068

820 1/2-20 UNF 1.061 1.062 - 1.068

TABLE II

DASHNO.

L.03LENGTH

MINIMUM FULL THREAD DEPTH

#8 #10 1/4 5/16 3/8 7/16 1/2

-7 .437 .287 .237 - - - - -

-8 .500 .328 .300 .225 - - - -

-10 .625 .328 .375 .350 .350 .350 - -

-12 .750 .328 .375 .475 .475 .475 .400 .400

-14 .875 .328 .375 .500 .600 .600 .525 .525

-16 1.000 .328 .375 .500 .625 .725 .650 .650

-18 1.125 .328 .375 .500 .625 .750 .775 .775

-20 1.250 .328 .375 .500 .625 .750 .874 .900

-22 1.375 .328 .375 .500 .625 .750 .874 1.000

-24 1.500 .328 .375 .500 .625 .750 .874 1.000

155 SERIESFLOATING INSERTS

WITTEN COMPANY 918-272-9567 REV: A 8/18/09

SHEET 2 OF 2

EXAMPLE: PART NUMBERING SYSTEM

155-428-12-SS

SERIES PREFIX

THREAD CODE (TABLE I)

LENGTH DASH NO.(TABLE I)

MATERIAL:

A= ALUMINUM(CHEM FILM FINISH)HOUSING & CAP WITH CARBON STEEL NUT (CADMIUM PLATED).

C=CARBON STEEL(CAD PLATE FINISH)HOUSING & NUT WITH ALUMINUM(CHEM FILM FINISH) CAP.

Z=CARBOM STEEL(ZINC PLATE FINISH) HOUSING & NUT WITH ALUMINUM (CHEM FILM FINISH) CAP.

SS=STAINLESS STEEL (NO FINISH) HOUSING & NUT WITH ALUMINUM (CHEM FILM FINISH) CAP.

SP=STAINLESS STEEL(PASIVATE) HOUSING & NUT WITH ALUMINUM ( CHEM FILM FINISH) CAP.

NOTES:

1.THREADS PER SAE-AS8879

2.PATENT NO. 4,941,765 AND 5,082,405

3. NO. OF RIBS VARY WITH LENGTH.

4. INSTALLATION TABS ARE AVAILABLE.

155 SERIESFLOATING INSERTS

WITTEN COMPANY 918-272-9567 REV:A 8/18/09

.093 REF

AT (THREAD)

POTTING &VENT SLOTS

L

CL "B"

SPIRAL RIB

OPTIONAL LOCK

INSTALLATION HOLE

PANEL

POTTINGCOMPOUND

EXAMPLE PART NUMBERING SYSTEM:2004 - 420 - L - 12 - SS

SERIES PREFIX

THREAD CODE (TABLE 1)

ADD LK FOR SELF-LOCK (NYLON)ADD L FOR SELF-LOCK (METALLIC CRIMP)

LENGTH DASH NU