5305-01-342-8770 SCREW,MACHINE Index 5305-01-342-8772 SCREW,MACHINE

National Stock Number:
5305-01-342-8771

Federal Supply Class:
5305

National Item Identification Number:
013428771

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:
516 5361686 REV-ITEM 4253711NAVAL SEA SYSTEMS COMMAND
5361686 FIND 4253711NAVAL SEA SYSTEMS COMMAND
6640211 FIND 4253711NAVAL SEA SYSTEMS COMMAND
M993004225685NAVAL SHIP ENGINEERING CENTER PHILADELPHIA DIVISION SUBMARINE ANTENNA QUALITY ASSURANCE


Techincal Specification:
COUNTERSINK ANGLE82.0 DEGREES NOMINAL
FASTENER LENGTH0.620 INCHES NOMINAL
HEAD DIAMETER0.568 INCHES MINIMUM AND 0.635 INCHES MAXIMUM
HEAD STYLEFLAT COUNTERSUNK
INTERNAL DRIVE STYLESLOT
NOMINAL THREAD DIAMETER0.312 INCHES
NONDEFINITIVE SPEC/STD DATA1 TYPE AND 2S STYLE
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281 FED SPEC ALL MATERIAL RESPONSES
SCREW MATERIALNICKEL ALLOY 400 OR NICKEL ALLOY K-500
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.509 INCHES MINIMUM AND 0.620 INCHES MAXIMUM
THREAD SERIES DESIGNATORUNC
THREAD QUANTITY PER INCH18


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