Part Number
Part Number:
NSN:
NIIN:
Item Name:
RETAINER , OPTICAL ELEMENT
Definition:
A CYLINDRICAL, EXTERNALLY THREADED ITEM HAVING A CENTRALLY LOCATED HOLE SPECIFICALLY DESIGNED TO RETAIN BY MEANS OF EITHER A RAISED BOX (SHOULDER), OR COUNTERBORE, COUNTERSINK, OR A SIMILAR SHAPED RECESS, AN OPTICAL ELEMENT SUCH AS A LENS, RETICLE, CELL, AND THE LIKE, IN OPTICAL ASSEMBLIES. IT MUST HAVE DRILLED HOLES OR SLOTS TO FACILITATE ASSEMBLY AND DISASSEMBLY. FOR ITEMS WHICH HOUSE THE OPTICAL ELEMENT(S), AND FORM THE INTERNAL OR CENTRAL PORTIONS OF AN OPTICAL SYSTEM, SEE CELL, OPTICAL ELEMENT. EXCLUDES RING, EXTERNALLY THREADED.
CAGE Information
| Code | Company |
|---|---|
| 19200 | U S ARMY ARMAMENT RESEARCH & DEVELOP |
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 |
|---|---|---|
| BMTT | SETSCREW NOTCH | NOT PROVIDED |
| MATL | MATERIAL | ALUMINUM ALLOY, WW-T-700/3, ALLOY 2024, T3 |
| ABHP | OVERALL LENGTH | 0.160 INCHES NOMINAL |
| ABMH | RECESS DEPTH | 0.110 INCHES NOMINAL |
| BMTS | INTERNAL ANNULAR SERRATION | NOT PROVIDED |
| ABUJ | THREAD SIZE | 1.187 IN.-32 |
| AAUB | HOLE DIAMETER | 0.050 INCHES NOMINAL |