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National Stock Number:
5210-00-028-9208
Federal Supply Class:
5210
National Item Identification Number:
000289208
Description:
OPTICAL FLAT SET
Detail:
TWO OR MORE OPTICAL FLATS. EXCLUDES OPTICAL PARALLELS.
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Manufacturer Information:
| GG0635 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC |
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Techincal Specification:
| NONDEFINITIVE SPEC/STD DATA | 1 TYPE AND 2 CLASS | | SPECIAL FEATURES | 3) FUSED QUARTZ,REFERENCE TYPE,DOUBLE SURFACE,3 IN. DIA.,0.625 IN. THK,0.000001 IN. FLATNESS ACCURACY,WITH WOODEN CASE,SURFACE ANGLE SHALL B 10 TO 15 MINUTES OF ARC TO EACH OTHER |
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