NSN 1240-00-864-2936 · NIIN 008642936 · FSC 1240
NO DASHES 1240008642936
In Stock
WINDOW,OPTICAL INSTRUMENT
Optical Sighting and Ranging Equipment
Technical characteristics
10 rows
Straight from the federal item record. Entries the record leaves empty are shown empty — nothing is filled in on its behalf.
| MRC | Requirement | Value |
|---|---|---|
| BMSP | BEVEL ANGLE IN DEG | MINIMUM 42.000 AND MAXIMUM 48.000 |
| FEAT | SPECIAL FEATURES | ELEMENT IN ACCORD WITH SPEC MIL-O-13830; SPHERICAL POWER NOT TO EXCEED 3 FRINGES,ASTIGMATISM 2 FRINGES; LIGHT DEVIATION NOT TO EXCEED 2 MINUTES (0.033 DEG) OF ARC; SURFACES QUALITY 80-50; USED ON PERISCOPE AND HOWITZERS M109A2 AND M109A3 |
| MATT | MATERIAL | LOCATION NOT OTHERWISE SPECIFIED GLASS OPTICAL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | LOCATION NOT OTHERWISE SPECIFIED MIL SPEC SINGLE MATERIAL RESPONSE -IL-G-174, GRADE D, TYE 523-586 |
| CBBL | FEATURES PROVIDED | POLISHED PERIPHERY |
| AGYE | SURFACE FINISH | GROUND AND POLISHED |
| ABNM | THICKNESS | INCHES MINIMUM 0.240 AND INCHES MAXIMUM 0.250 |
| ABMZ | DIAMETER | INCHES MINIMUM 1.740 AND INCHES MAXIMUM 1.745 |
| AJEF | BEVEL DEPTH | INCHES MINIMUM 0.020 AND INCHES MAXIMUM 0.030 |
| BMSG | POLISHED SURFACE | BOTH |