NSN 6650-01-156-8173
Part Details | OPTICAL ELEMENT RETAINING RING
6650-01-156-8173 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: 13143998, 13143998, 13143998, 6650-01-156-8173, 01-156-8173, 6650011568173, 011568173
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 66 | JUN 25, 1983 | 01-156-8173 | 22585 ( RING, RETAINING, OPTICAL ELEMENT ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 6650-01-156-8173
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 13143998 | 8A932 | HUMBOLDT MACHINE SHOP, INC. |
| 13143998 | 1L007 | SPECIAL PROJECTS INC |
| 13143998 | 18876 | U S ARMY AVIATION AND MISSILECOMMAND |
Technical Data | NSN 6650-01-156-8173
| Characteristic | Specifications |
|---|---|
| MATERIAL | ALUMINUM ALLOY 6061 |
| THREAD LOCATION | INTERNAL |
| THREAD SIZE | 2.500-32 |
| SCREW THREAD SERIES DESIGNATOR | UNS |
| THREAD CLASS | 2B |
| THREAD PITCH DIAMETERS | +2.4807 TO +2.4863 INCHES |
| THREAD LENGTH | 0.170 INCHES |
| THREAD DIRECTION | RIGHT-HAND |
| OVERALL LENGTH | 0.220 INCHES NOMINAL |
| OUTSIDE DIAMETER | 2.620 INCHES NOMINAL |
| INTERNAL FLANGE THICKNESS | 0.050 INCHES NOMINAL |
| APERTURE DIAMETER | 2.300 INCHES NOMINAL |
