4470-00-297-8090 BISTABLE ASSEMBLY Index 5305-00-297-8098 SCREW,MACHINE

National Stock Number:
5305-00-297-8091

Federal Supply Class:
5305

National Item Identification Number:
002978091

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:
SCB10658280063US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR


Techincal Specification:
COUNTERSINK ANGLE80.0 DEGREES NOMINAL
FASTENER LENGTH0.213 INCHES MINIMUM AND 0.223 INCHES MAXIMUM
HEAD DIAMETER0.190 INCHES NOMINAL
HEAD STYLEFLAT COUNTERSUNK
INTERNAL DRIVE STYLESLOT
NOMINAL THREAD DIAMETER0.099 INCHES
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-626,COMP 22 FED SPEC SINGLE MATERIAL RESPONSE
SCREW MATERIALCOPPER ALLOY 360
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.149 INCHES MINIMUM
THREAD QUANTITY PER INCH56
THREAD SERIES DESIGNATORUNF


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