5360-01-052-1450 SPRING,HELICAL,EXTENSION Index 1240-01-052-1453 EYEPIECE ASSEMBLY,OPTICAL INSTRU

National Stock Number:
5365-01-052-1451

Federal Supply Class:
5365

National Item Identification Number:
010521451

Description:
RING,EXTERNALLY THREADED

Detail:
A cylindrically shaped item with a concentric bore and a peripheral thread over its entire length or over a portion thereof. One face is drilled, slotted, knurled, or has projecting lugs for installation and/or removal purposes. Excludes RETAINER, OPTICAL ELEMENT.


Manufacturer Information:
1055497919200US ARMY ARDEC RDECOM


Techincal Specification:
MATERIALSTEEL COMP 303 OR
STEEL COMP 303SE
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A581 TY 303 COND A ASSN STD 1ST MATERIAL RESPONSE OR
ASTM A581 TY 303SE COND A ASSN STD 2ND MATERIAL RESPONSE
SURFACE TREATMENTPASSIVATE
OVERALL LENGTH0.145 INCHES MINIMUM AND
0.150 INCHES MAXIMUM
CASEHARDENING INDICATORNOT CASEHARDENED
DRIVE TYPESLOTTED FACE
ACCOMMODATION TYPE AND QUANTITY2 SLOTS
WIDTH0.031 INCHES MINIMUM AND
0.041 INCHES MAXIMUM
DEPTH0.046 INCHES MINIMUM AND
0.056 INCHES MAXIMUM
ANGLE BETWEEN ACCOMMODATIONS IN DEG180.0
THREAD SIZE0.375-24
SCREW THREAD SERIES DESIGNATORUNF
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
BEVELED THREADINCLUDED
THREAD LOCATIONBOTH ENDS
BORE SHAPESTRAIGHT
BORE DIAMETER0.202 INCHES MINIMUM AND
0.208 INCHES MAXIMUM
BORE ANNULAR INTERNAL SERRATIONNOT INCLUDED
BORE EDGE PROCESSANY ACCEPTABLE
SETSCREW LOCKING NOTCHNOT INCLUDED


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