5305-01-271-3252 SCREW,MACHINE Index 5305-01-271-3254 SCREW,MACHINE

National Stock Number:
5305-01-271-3253

Federal Supply Class:
5305

National Item Identification Number:
012713253

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:
211-0713-0080009TEKTRONIX, INC.
6-32X1.25FLH100DEGSTLCDPLTORXT1083385MICRODOT MFG INC GREER-CENTRAL DIV
6-32X1.25FLH100DEGSTLCDPLTORXT1083486ELCO INDUSTRIES INC


Techincal Specification:
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
FASTENER LENGTH1.190 INCHES MINIMUM AND 1.250 INCHES MAXIMUM
HEAD DIAMETER0.238 INCHES MINIMUM AND 0.279 INCHES MAXIMUM
HEAD STYLEFLAT COUNTERSUNK
INTERNAL DRIVE STYLETORX
PROPRIETARY CHARACTERISTICSPACS
NOMINAL THREAD DIAMETER0.138 INCHES
SCREW MATERIALSTEEL
SCREW SURFACE TREATMENTCADMIUM AND CHROMATE
SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE
SPECIAL FEATURESCLEAR CHROMATE CONVERSION COATING
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH1.068 INCHES MINIMUM AND 1.190 INCHES MAXIMUM
THREAD QUANTITY PER INCH32
THREAD SERIES DESIGNATORUNC


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