5305-00-515-7056 SCREW,SHOULDER Index 5305-00-515-7058 SCREW,MACHINE

National Stock Number:
5305-00-515-7057

Federal Supply Class:
5305

National Item Identification Number:
005157057

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:
AIC551C3-49206725SPS TECHNOLOGIES, LLC
AIC551C3-49217446HUCK INTERNATIONAL, INC
B1990-625472GOODRICH CORPORATION
GS551C3-49203481BFGOODRICH CO THE AEROSPACE DIV ENGINEERED POLYMER PRODUCTS
GS551C3-49206725SPS TECHNOLOGIES, LLC
GS551C3-4920ZC92HEARTLAND PRECISION FASTENERS INC
GS551C3-49217446HUCK INTERNATIONAL, INC
GS551C3-49226512NORTHROP GRUMMAN SYSTEMS CORPORATION
GS551C3-49227624SPS TECHNOLOGIES LLC
HP6551C3-4920ZC92HEARTLAND PRECISION FASTENERS INC
PBF1285-3-49227624SPS TECHNOLOGIES LLC
PIL551C3-49247253PILGRIM SCREW CORPORATION


Techincal Specification:
COUNTERSINK ANGLE100.0 DEGREES NOMINAL
FASTENER LENGTH0.750 INCHES NOMINAL
HARDNESS RATING33.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM
HEAD DIAMETER0.276 INCHES NOMINAL
HEAD STYLEFLAT COUNTERSUNK
INTERNAL DRIVE STYLESLOT
MINIMUM TENSILE STRENGTH150000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.190 INCHES
SCREW MATERIALSTEEL COMP 4037 OR STEEL COMP 4140 OR STEEL COMP 4340
SCREW SURFACE TREATMENTCADMIUM
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.320 INCHES MINIMUM
THREAD QUANTITY PER INCH32
THREAD SERIES DESIGNATORUNF


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