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Explore Our NSN 1240-01-171-8373 Parts List

Item Name Window Optical Inst
Federal Supply Group (FSG) Fire Control Equipment
Federal Supply Class (FSC) 1240 Optical Sighting And Ranging Equipment
National Item Identification Number (NIIN) 01-171-8373 (011718373)
NCB Code USA (01)
Manufacturer Ii Vi Optical Systems Inc, Alpha Optical Systems Inc
Part Number Manufacturer Item Name Cage Code RFQ
13084358 ii vi optical systems inc window optical inst 22669 RFQ
13084358 alpha optical systems inc window optical inst 54287 RFQ
13084609 ii vi optical systems inc window optical inst 22669 RFQ
13084609 alpha optical systems inc window optical inst 54287 RFQ
1354000 alpha optical systems inc window optical inst 54287 RFQ
1354000 ii vi optical systems inc window optical inst 22669 RFQ
1446000 ii vi optical systems inc window optical inst 22669 RFQ
1446000 alpha optical systems inc window optical inst 54287 RFQ

Technical Characteristics of NSN 1240011718373

MRCCriteriaCharacteristic
ABRYLength11.275 INCHES MINIMUM AND 11.285 INCHES MAXIMUM
AGYESurface FinishPOLISHED
BMMXRefraction Index1.4570 MINIMUM AND 1.4590 MAXIMUM
BMSMPolished PeripheryNOT PROVIDED
BMSGPolished SurfaceBOTH
BMSHDispersion67.3 ANGSTROMS MINIMUM AND 68.3 ANGSTROMS MAXIMUM
ABNMThickness0.970 INCHES MINIMUM AND 1.007 INCHES MAXIMUM
ABGLWidth5.455 INCHES MINIMUM AND 5.505 INCHES MAXIMUM
MRCDecoded RequirementClear Text Reply
MATTMaterialGLASS, FUSED SILICA

Components Related to NSN - 1240-01-171-8373, 1240011718373
1290-01-525-1366 (1290015251366) 1240-00-171-4169 (1240001714169) 1220-01-029-3593 (1220010293593) 1270-00-854-5386 (1270008545386)
1220-00-142-6041 (1220001426041) 1220-00-791-5656 (1220007915656) 1270-00-917-1517 (1270009171517) 1290-00-870-1440 (1290008701440)
1240-01-538-6884 (1240015386884) 1270-00-093-4152 (1270000934152) 1290-00-580-4441 (1290005804441) 1220-00-152-3622 (1220001523622)

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