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 |
|---|---|
| 89954 | BAE SYSTEMS CONTROLS INC. DBA PLATFO |
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 |
|---|---|---|
| BPDQ | KNURLED PERIPHERY | NOT PROVIDED |
| BPDQ | KNURLED PERIPHERY | NOT PROVIDED |
| MATL | MATERIAL | ALUMINUM ALLOY, 6061 |
| ABVL | APERTURE DIAMETER | 4.090 INCHES MINIMUM AND 4.110 INCHES MAXIMUM |
| BMTL | INTERNAL FLANGE THICKNESS | 0.042 INCHES NOMINAL |
| ABKV | OUTSIDE DIAMETER | 4.885 INCHES MINIMUM AND 4.895 INCHES MAXIMUM |