5305-00-880-7766 SCREW,MACHINE Index 5305-00-880-7772 THUMBSCREW

National Stock Number:
5305-00-880-7768

Federal Supply Class:
5305

National Item Identification Number:
008807768

Description:
SCREW,SHOULDER

Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter, No 0 (0.060 IN.) (1.5 mm) or larger. It has a round unthreaded neck or shank all or part of which is of greater diameter than the threaded portion. The head is designed to be driven with either a wrench or an inserted driver or both in sizes below No. 10 (0.190 IN.) (5 mm) nominal diameter. No. 10 (0.190 IN.) (5 mm) and larger sizes must be designed for any type of inserted driver, but may also provide for external wrenching of the head. A locking feature may be incorporated in the design of the head or threads. For items which are both shouldered and have an externally relieved body, use SCREW, EXTERNALLY RELIEVED BODY. For items with a No. 10 (0.190 IN.) (5 mm) or larger thread diameter without an inserted driver head, use BOLT, SHOULDER. Excludes BOLT, INTERNAL WRENCHING and SCREW, CAP, SOCKET HEAD.


Manufacturer Information:
A1C551C3-58506725SPS TECHNOLOGIES, LLC
AIC551C3-58506725SPS TECHNOLOGIES, LLC
B1990-7-203481BFGOODRICH CO THE AEROSPACE DIV ENGINEERED POLYMER PRODUCTS
BM19069-3-58517446HUCK INTERNATIONAL, INC
GS551C3-58526512NORTHROP GRUMMAN SYSTEMS CORPORATION
GS551C3-58547253PILGRIM SCREW CORPORATION
HP6551C3-5850ZC92HEARTLAND PRECISION FASTENERS INC
PBF1285-3-58527624SPS TECHNOLOGIES LLC
S100C3-58528972FASTENER ENGINEERING CORP
PIL551C3-58547253PILGRIM SCREW CORPORATION


Techincal Specification:
COUNTERSINK ANGLE100.0 DEGREES NOMINAL
FASTENER LENGTH0.844 INCHES NOMINAL
HARDNESS RATING33.0 ROCKWELL C NOMINAL OVERALL
HEAD DIAMETER0.276 INCHES NOMINAL
HEAD STYLEFLAT COUNTERSUNK
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
MATERIALSTEEL COMP 4037 OVERALL
NOMINAL THREAD DIAMETER0.190 INCHES
SHOULDER DIAMETER0.194 INCHES NOMINAL FIRST SHOULDER
SHOULDER LENGTH0.485 INCHES NOMINAL FIRST SHOULDER
SHOULDER SHAPEROUND FIRST SHOULDER
SURFACE TREATMENTCADMIUM OVERALL
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.319 INCHES MINIMUM
THREAD SERIES DESIGNATORUNF
THREAD QUANTITY PER INCH32


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