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		                        | National Stock Number:
 1270-01-335-5038
 
 Federal Supply Class:
 1270
 
 National Item Identification Number:
 013355038
 
 Description:
 HOLDER,MIRROR
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 Manufacturer Information:
 
 | 717511274-001 | 04939 | LOCKHEED MARTIN CORPORATION |  | 717512395-001 | 04939 | LOCKHEED MARTIN CORPORATION |  | 717512395-001 | 25479 | LOCKHEED MARTIN BERYLLIUM CORP | 
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 Techincal Specification:
 
 | MATERIAL | COPPER ALLOY |  | OVERALL HEIGHT | 0.520 INCHES NOMINAL |  | OVERALL LENGTH | 4.150 INCHES NOMINAL |  | OVERALL WIDTH | 1.900 INCHES NOMINAL |  | SUPPORTING OBJECT/SURFACE ATTACHMENT METHOD | SIX 0.312-40 UNS-2B THREADED THRU HOLES |  | SURFACE TREATMENT | PASSIVATE | 
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