1710-00-475-0671 PACKING O RING Index 1710-00-475-0676 PACKING O RING

National Stock Number:
5305-00-475-0673

Federal Supply Class:
5305

National Item Identification Number:
004750673

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:
240-3111662-80WLU1GENERAL DYNAMICS CORP CONVAIR DIV LINDBERGH FIELD FACILITY
240-3111662-814170HUGHES MISSILE SYSTEMS CO SAN DIEGO
240-3111662-863910BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION I
240-3111662-87B709TRACOR FLIGHT SYSTEMS INC SUB OF TRACOR INC


Techincal Specification:
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
FASTENER LENGTH0.640 INCHES MINIMUM AND 0.687 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 CLASSIFICATIONMIL-S-6050 MIL SPEC 1ST MATERIAL RESPONSE OR AMS 6300 ASSN STD 2ND MATERIAL RESPONSE
SCREW MATERIALSTEEL COMP 8630 OR STEEL COMP 4037
SCREW SURFACE TREATMENTCADMIUM
SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE
SPECIAL FEATURESTWO SLOTS CUT IN THD END 90 DEG APART 0.065 IN. MIN 0.067 IN. MAX W BY 0.100 IN. DEEP
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.362 INCHES MINIMUM AND 0.440 INCHES MAXIMUM
THREAD SERIES DESIGNATORUNF
THREAD QUANTITY PER INCH28


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