ML20129H310
| ML20129H310 | |
| Person / Time | |
|---|---|
| Site: | (NR-313-D-801-S, SSD-95-61) |
| Issue date: | 06/06/1991 |
| From: | Steven Baggett, Thomas Rich NRC |
| To: | |
| Shared Package | |
| ML20129H147 | List: |
| References | |
| SSD, NUDOCS 9610310224 | |
| Download: ML20129H310 (8) | |
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l REGISTRY OF RADI0 ACTIVE SEALED SOURCE AND DEVICES SAFETY EVALUATION OF DEVICE (AMENDED) l l
NO: NR-313-D-101-S DATE: JUN 0 6199f PAGE 1 of 4 i
l DEVICE TYPE:
Laser Target Designator / Ranger l
MODEL:
117 LASER DESIGNATOR MANUFACTURER / DISTRIBUTOR:
Loral Aerospace Corporation, Aeronutronic Formerly Ford Aerospace Corporation Aeronutronic Division Ford Road Newport Beach, CA 92658 SEALED SOURCE MODEL DESIGNATION:
Amersham Model AMM l
IS0 TOPE:
MAXIMUM ACTIVITY:
Americium-241 9 microcuries l
LEAK TEST FREQUENCY:
Not Required PRINCIPAL USE:
(0) Ion Generators, Static Eliminators CUSTOM DEVICE:
X YES NO CUSTOM USER:
U.S. Department of Defense Principally the U.S. Navy 9610310224 960930 PIMt RC
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REGISTRY OF RADI0 ACTIVE SEALED SOURCE AND DEVICES SAFETY EVALUATION OF DEVICE (AMENDED)
NO: NR-313-D-101-S DATE: JUN 0 6 i99f PAGE 2 o_f 4 DEVICE TYPE:
Laser Target Designator / Ranger' l
DESCRIPTION:
l The Ford Aerospace Corporation Model 117 is used for laser target range and designation.
This device is attached to the Ford Aerospace F/A-18 forward I
looking infrared (FLIR) Pod located on the outer surface of the left engine inlet on the U.S. Navy F/A-18 aircraft.
The device is contained in an environmental controlled cavity (AN/AAS-38A FLIR Pod).
The device contains two NRC-approved americium-241 (AM-241) sources _Model
'AMM.1001H, for the removal of static charge, at the end of the laser's.Q-Switch crystal permitting it to maintain its large characteristic discrimination ratio.
The two sources are screwed and secured onto the lid of the Optical Module which is located on the laser transreceiver.
The Optical Module is an aircraft standard aluminum alloy box, 8 inches long by 2.5 inches wide by 2.5 inches high, which contains the sources and the optical elements of the laser.
The minimum thickness of the box is.060 inches.
The sources are placed 1.5 inches apart and are threaded into the lid of the box.
An 0-ring is placed between the box and the lid.
The box and lid are sealed with (18) threaded fasteners.
This prevents the ingress of moisture and is filled with dry nitrogen.
Once assembled there is no access to the AM-241 sealed sources.
The Am-241 foil disk is bonded to the end of a stainless steel (304) T-shaped housing.
A 304 stainless. steel wire cloth (16 mesh by.375mm) is placed in front of this housing and is held in place by crimping the outer edges of the housing.
LABELING:
Each source will be labeled on the sides.of the source with the following:
serial number, isotope, activity, and the trefoil radiation symbol.
The Optit:a1 Module will be labeled in accordance with 10 CFR 20.203 and is granted a color exemption.
l DIAGRAM:
j See Attachments l'thru 4
4 i
REGISTRY OF RADI0 ACTIVE SEAL'ED SOURCE AND DEVICES t
SAFETY EVALUATION OF DEVICE (AMENDED)
NO:
NR-313-D-101-S DATE:
JUN O 61991 PAGE 3 of 4 l
DEVICE TYPE:
Laser Target Designator / Ranger CONDITIONS OF NORMAL USE:
The sealed sources have obtained an ANSI classification of 77C54545.
The i
j device is subjected to a military aircraft environment and is expected to.have a service life of 15 years.
The extremes of environment for which the device is designed to withstand are as follows:
temperature -62 C to 95*C; vibrations 50-2000 Hertz; high humidity; salt fog; explosion; sand, dust, and fungus.
Due to the sealed construction of both the Optical Module and the FLIR Pod, the device should not be affected by atmospheric conditions.
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PROTOTYPE TESTING:
The manufacturer reports that the device was tested to MIL-specs except for l
salt, fog, and dust..The FLIR pod that has also been tested to meet military specifications (MIL-STD-810C).
The device has been field tested in the configuration and with no incident of source failure.
EXTERNAL RADIATION LEVELS:
The manufacturer reports that there are no detectable radiation levels above background from the device.
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-QUALITY ASSURANCE AND CONTROL:
The quality control program for the laser contained in the module is implemented by Ferranti International.
Ferranti International has supplied an adequate quality assurance and control program that conforms to MIL-Q-9858A and NATO a QAP-1.
A copy of the quality requirements governing the supply.of i
the sources is on file with the Material Licensing Branch.
A Certificate of Conformity ensuring that the device meets the design specifications is supplied with each source and further checked by the USA manufacturer.
The USA manufacturer evaluates each component of the module to conform with MIL-specs.
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1 REGISTRY OF RADI0 ACTIVE SEAL'ED SOURCE AND DEVICES 1
SAFETY EVALUATION OF DEVICE (AMENDED)
.NO:
NR-313-D-101-S DATE:
JUN 6 61991 PAGE 4 0F 4 DEVICE TYPE:
Laser Target Designator / Ranger i
l LINITATIONS AND/0R OTHER CONSIDERATIONS OF USE:
The devices shall be distributed only to the specific licensee referred to on this document (U.S. Department of Defense).
Handling, Storage, Use, Transfer, and Disposal:
Shall be determined by the licensing-authority.
i Reviewer Note:
Service to the inside of the Gptical Module must also include a swipe test to determine if there is any removable contamination.
This registration sheet and the information contained with the references shall not be changed without the written consent of the NRC.
SAFETY ANALYSIS
SUMMARY
Based on our review of the information and design of the device, the past history of the sealed source design, we conclude that Model 117 device is acceptable for custom licensing purposes.
Furthermore, we conclude that thic device would be expected to maintain its containment for normal condition of
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use which might occur during the uses specified in this registration sheet.
i
REFERENCES:
The following supporting documents for the Model 117 Laser Target Designator are hereby incorporated by reference and are made a part of this registry
' document:
Application dated September 13, 1988 with enclosures thereto.
Letter dated October 7,1988, April 2,1991 with enclosures.thereto.
ISSUING AGENCY:
U.S. Nuclear Regulatory Commission Date: JUN 0 6199f' Reviewer:
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