5305-00-738-5055 SCREW Index 2840-00-738-5057 BLADE,COMPRESSOR ROTOR,TURBINE ENGINE

National Stock Number:
5305-00-738-5056

Federal Supply Class:
5305

National Item Identification Number:
007385056

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:
756-7293-00213499ROCKWELL COLLINS, INC.


Techincal Specification:
BEARING SURFACE OF HEAD SURFACE FINISH63.0 MICROINCHES
FASTENER LENGTH0.422 INCHES MINIMUM AND 0.454 INCHES MAXIMUM
HEAD HEIGHT0.124 INCHES MINIMUM AND 0.188 INCHES MAXIMUM
HEAD STYLEHEXAGON
INTERNAL DRIVE STYLESLOT
NOMINAL THREAD DIAMETER0.375 INCHES
SCREW MATERIALSTEEL COMP 303
SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION580-0025-00 MFR REF SINGLE TREATMENT RESPONSE
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-764 FED SPEC SINGLE MATERIAL RESPONSE
SCREW SURFACE TREATMENTPASSIVATE
WIDTH BETWEEN FLATS0.546 INCHES MINIMUM AND 0.578 INCHES MAXIMUM
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS2A
THREAD LENGTH0.312 INCHES MINIMUM AND 0.376 INCHES MAXIMUM
THREAD QUANTITY PER INCH24
THREAD SERIES DESIGNATORUNF


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