5325-01-412-0838 RING,RETAINING Index 5305-01-412-0840 SCREW,CLOSE TOLERANCE

National Stock Number:
5305-01-412-0839

Federal Supply Class:
5305

National Item Identification Number:
014120839

Description:
SCREW,CAP,SOCKET HEAD

Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See BOLT, INTERNAL WRENCHING. Excludes SCREW, SHOULDER; and SCREW, MACHINE.


Manufacturer Information:
633153-0107690BAE SYSTEMS CONTROLS INC
SD.300.9331556878SPS TECHNOLOGIES, LLC


Techincal Specification:
THREAD SERIES DESIGNATORUNF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.970 INCHES MINIMUM AND
1.000 INCHES MAXIMUM
FASTENER LENGTH0.970 INCHES MINIMUM AND
1.000 INCHES MAXIMUM
MATERIALIRON ALLOY 660 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5731 ASSN STD SINGLE MATERIAL RESPONSE OR
AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HEAD STYLEFLAT COUNTERSUNK
HEAD DIAMETER0.480 INCHES MINIMUM AND
0.531 INCHES MAXIMUM
COUNTERSINK ANGLE80.0 DEGREES MINIMUM AND
82.0 DEGREES MAXIMUM
INTERNAL DRIVE STYLEHEXAGON
WIDTH ACROSS FLATS0.1582 INCHES MINIMUM AND
0.1617 INCHES MAXIMUM


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