5305-01-059-0176 SCREW,MACHINE Index 5305-01-059-0178 SCREW,MACHINE

National Stock Number:
5305-01-059-0177

Federal Supply Class:
5305

National Item Identification Number:
010590177

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:
NAS514P428-680205NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE


Techincal Specification:
COUNTERSINK ANGLE100.0 DEGREES NOMINAL
FASTENER LENGTH0.344 INCHES MINIMUM AND 0.375 INCHES MAXIMUM
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
HEAD DIAMETER0.447 INCHES MINIMUM AND 0.507 INCHES MAXIMUM
HEAD STYLEFLAT COUNTERSUNK
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
MINIMUM TENSILE STRENGTH125000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.250 INCHES
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6300 ASSN STD 1ST MATERIAL RESPONSE OR MIL-S-6050 MIL SPEC 2ND MATERIAL RESPONSE
SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 TY1 CL 2 FED SPEC SINGLE TREATMENT RESPONSE
SCREW SURFACE TREATMENTCADMIUM
SCREW MATERIALSTEEL COMP 4037 OR STEEL COMP 8630
SPECIFICATION/STANDARD DATA80205-NAS514 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
THREAD LENGTH0.167 INCHES MINIMUM AND 0.269 INCHES MAXIMUM
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH28
THREAD SERIES DESIGNATORUNJF


Click here to Register for Free 30-day Trial