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National Stock Number:
6650-00-549-5671
Federal Supply Class:
6650
National Item Identification Number:
005495671
Description:
LENS,EXIT
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Manufacturer Information:
| 9240-001-5 | 06444 | SCIENTIFIC INSTRUMENTS INC | | 9240-001-5 | 12004 | NAVAL SEA SYSTEMS COMMAND LOGISTICS SUPPORT ENGINEERING ACTIVITY | | 9240-001-5 | 9S611 | LACROIX PRECISION OPTICS, INC. |
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Techincal Specification:
| PART NAME ASSIGNED BY CONTROLLING AGENCY | LENS,EXIT | | MATERIAL | GLASS | | SPECIAL FEATURES | MATERIAL: OPTICAL GLASS TYPE BK7-517642, GRADE B | | SPECIAL TEST FEATURES | MATERIAL SPECIFICATION: MIL-G-174A, SURFACE QUALITY: 60-30 PER MIL-O-13830, ACCURACY: 8 RINGS SPHERICAL - 2 RINGS IRREGULARITY, CONCENTRICITY: 3 MINUTES, BEVEL: 3MM @ 45 DEGREES (MAX) | | SUPPLEMENTARY FEATURES | COATING; R1 AND R2 SURFACE 5 WITH 1/4 WAVELENGTH OF M6 F2 PER MIL-C-675 |
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