NSN 1240-01-498-2272
Part Details | OPTICAL ELEMENT RETAINING RING
1240-01-498-2272 A cylindrical item having an internally flanged diameter designed to retain a lens or window in the objective end, or a diopter scale at the viewing end of an optical instrument. It may have one or more of the following characteristics: internal thread or machined for a press fit, method of securing, and/or knurled periphery. For externally threaded items, see RETAINER, OPTICAL ELEMENT. Excludes CELL, OPTICAL ELEMENT; NUT, PLAIN KNURLED; NUT, PLAIN ROUND; and RING, RETAINING.
Alternate Parts: 7408677, 1240-01-498-2272, 01-498-2272, 1240014982272, 014982272
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 12 | JUN 19, 2002 | 01-498-2272 | 22585 ( RING, RETAINING, OPTICAL ELEMENT ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 1240-01-498-2272
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 7408677 | 53711 | NAVAL SEA SYSTEMS COMMAND |
Technical Data | NSN 1240-01-498-2272
| Characteristic | Specifications |
|---|---|
| MATERIAL | STEEL CORROSION RESISTING |
| DRIVE TYPE | SLOTTED FACE |
| OUTSIDE DIAMETER | 3.375 INCHES NOMINAL |
| INTERNAL FLANGE THICKNESS | 0.780 INCHES NOMINAL |
| MOUNTING CONFIGURATION | 4X 0.154 THRU MOUNTING HOLES |
| SPECIAL FEATURES | RING HAS AN ENLARGED DIOPTER SCALE RANGE -7.5 TO +3.5 AND -4 TO +2. INSIDE DIAMETER OF RING MEASURES 2.625 IN. |
| END ITEM IDENTIFICATION | FC33 EYEBOX; PERISCOPE |