5120-00-017-4953 TOOL,ALIGNMENT Index 5821-00-017-4958 POST SPACING

National Stock Number:
5305-00-017-4957

Federal Supply Class:
5305

National Item Identification Number:
000174957

Description:
SCREW,MACHINE

Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter, No 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below No. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes BOLT, CLEVIS; BOLT, EXTERNALLY RELIEVED BODY; SCREW, EXTERNALLY RELIEVED BODY; and SCREW, ASSEMBLED WASHER. See also, SCREW, INSTRUMENT; BOLT, MACHINE; BOLT, INTERNAL WRENCHING; and SCREW, CAP SOCKET HEAD.


Manufacturer Information:
709-113-181579MASON ELECTRIC CO.


Techincal Specification:
FASTENER LENGTH1.530 INCHES MINIMUM AND 1.540 INCHES MAXIMUM
HEAD DIAMETER0.310 INCHES MINIMUM AND 0.312 INCHES MAXIMUM
HEAD HEIGHT0.260 INCHES MINIMUM AND 0.270 INCHES MAXIMUM
HEAD STYLEFLAT CHAMFER
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
NOMINAL THREAD DIAMETER0.190 INCHES
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-6758,D4 MIL SPEC SINGLE MATERIAL RESPONSE
SCREW MATERIALSTEEL COMP 4130
SCREW SURFACE TREATMENTCADMIUM
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.310 INCHES MINIMUM AND 0.380 INCHES MAXIMUM
THREAD SERIES DESIGNATORUNF
THREAD QUANTITY PER INCH32


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