SCREW EXTERNALLY
PN 153C7044P9
NSN 5305-01-132-5768
MFG BAE SYSTEMS

NEW GOV SURPLUS
SUPPLIER CAGE CODE 03EF7

ITEM NAME: SCREW,EXTERNALLY RE
DEFINITION: An externally threaded fastener whose threaded portion is of one
nominal diameter, and whose unthreaded portion has been machined or
ground in one or more places or over its entire length to a maximum
diameter less than the minimum pitch diameter of the thread (excludes
undercut for thread relief). It is No. 0 (0.060 IN.) (1.5 mm) or
larger, and is designed to be held or driven with either a wrench or
inserted driver (excluding internal socket and multiple spline types)
or both in sizes below No. 10 (0.190 IN.) (5 mm) and larger sizes must
have a head designed for any type inserted driver (excluding internal
socket and 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. See also BOLT, EXTERNALLY RELIEVED BODY
and BOLT, INTERNAL WRENCHING.

CHARACTERISTIC VALUE
THREAD CLASS 2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM
FASTENER LENGTH 1.063 INCHES MINIMUM AND 1.125 INCHES MAXIMUM
HEAD STYLE PAN
HEAD DIAMETER 0.306 INCHES MINIMUM AND 0.322 INCHES MAXIMUM
HEAD HEIGHT 0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD 0.115 INCHES MINIMUM AND 0.125 INCHES MAXIMUM
DISTANCE FROM LARGEST 0.573 INCHES MINIMUM AND 0.615 INCHES MAXIMUM
BEARING SURFACE OF HEAD TO
END OF FIRST DIAMETER
INTERNAL DRIVE STYLE CROSS RECESS TYPE 1
NOMINAL THREAD DIAMETER 0.164 INCHES
THREAD QUANTITY PER INCH 32
MINIMUM TENSILE STRENGTH 60000 POUNDS PER SQUARE INCH
EXTERNALLY RELIEVED BODY 1
DIAMETER QUANTITY
MATERIAL STEEL COMP 1010 OR STEEL COMP 1011 OVERALL
MATERIAL DOCUMENT AND FED STD 66 FED STD ALL MATERIAL RESPONSES OVERALL
CLASSIFICATION
SURFACE TREATMENT CADMIUM OVERALL
SURFACE TREATMENT DOCUMENT QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT
AND CLASSIFICATION RESPONSE OVERALL
THREAD SERIES DESIGNATOR UNC