5310-00-639-8863 WASHER,FLAT Index 5310-00-639-8896 WASHER,FLAT

National Stock Number:
5305-00-639-8873

Federal Supply Class:
5305

National Item Identification Number:
006398873

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:
762244919200US ARMY ARDEC RDECOM


Techincal Specification:
COUNTERSINK ANGLE80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
FASTENER LENGTH0.547 INCHES MINIMUM AND 0.578 INCHES MAXIMUM
HEAD DIAMETER0.175 INCHES MINIMUM AND 0.199 INCHES MAXIMUM
HEAD STYLEFLAT COUNTERSUNK
INTERNAL DRIVE STYLESLOT
NOMINAL THREAD DIAMETER0.099 INCHES
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-634 FED SPEC SINGLE MATERIAL RESPONSE
SCREW MATERIALSTEEL COMP 1020
SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-Z-325,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE
SCREW SURFACE TREATMENTZINC
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.488 INCHES MINIMUM AND 0.530 INCHES MAXIMUM
THREAD QUANTITY PER INCH48
THREAD SERIES DESIGNATORUNC


Click here to Register for Free 30-day Trial