Part Number
Part Number:
NSN:
NIIN:
Item Name:
RING , RETAINING , OPTICAL ELEMENT
Definition:
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.
CAGE Information
| Code | Company |
|---|---|
| 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL D |
Federal Supply Class
Title
OPTICAL SIGHTING AND RANGING EQU
Inclusions:
INCLUDES PERISCOPES FOR SUBMARINES; RANGE AND HEIGHT FINDERS; TELESCOPIC SIGHTS; OPTICAL INSTRUMENTS INTEGRATED WITH FIRE CONTROL EQUIPMENT.
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| ABVL | APERTURE DIAMETER | 1.750 INCHES NOMINAL |
| ABVL | APERTURE DIAMETER | 1.750 INCHES NOMINAL |
| AAJE | THREAD PITCH DIAMETERS | +1.9040/+1.9375 INCHES |
| ABUJ | THREAD SIZE | 1 15/16-32 |
| AJYP | SCREW THREAD SERIES DESIGNATOR | UNS |
| ABET | THREAD LENGTH | 0.400 INCHES |
| BMTL | INTERNAL FLANGE THICKNESS | 0.100 INCHES NOMINAL |
| BPDQ | KNURLED PERIPHERY | NOT PROVIDED |
| ABKV | OUTSIDE DIAMETER | 2.000 INCHES NOMINAL |
| MATL | MATERIAL | BRASS |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AAJD | THREAD CLASS | 3B |
| AGAV | END ITEM IDENTIFICATION | TELESCOPE MK67 |
| ADWA | INNER GROOVE WIDTH | 0.080 INCHES NOMINAL |
| BMTY | GROOVE LOCATION | INSIDE END OF THREAD |
| ABHP | OVERALL LENGTH | 0.500 INCHES NOMINAL |
| APJC | THREAD LOCATION | INTERNAL |
| AAVZ | GROOVE DIAMETER | 1.940 INCHES NOMINAL |