1560-01-453-9420 RIB,AIRFOIL Index 1560-01-453-9422 RIB,AIRFOIL

National Stock Number:
5305-01-453-9421

Federal Supply Class:
5305

National Item Identification Number:
014539421

Description:
SCREW,EXTERNALLY RELIEVED BODY

Detail:
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.


Manufacturer Information:
KTT83B02750EATON AEROSPACE LLC
KTT83B06RP6DRS NAVAL POWER SYSTEMS INC
LL-HX9-713814153DEFENSE LOGISTICS AGENCY DBA DEFENSE SUPPLY CENTER PHILADELPHIA
LO-01453942116236DLA LAND AND MARITIME DBA ENGINEERING AND TECHNICAL SUPPORT DIV DOCUMENT STANDARDIZATION DIVISION (VENDOR ITEM DRAWINGS)
PO0296NRP14153DEFENSE LOGISTICS AGENCY DBA DEFENSE SUPPLY CENTER PHILADELPHIA


Techincal Specification:
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.273 INCHES NOMINAL
CRITICALITY CODE JUSTIFICATIONZZZY
EXTERNAL THREAD TOLERANCE CLASS6G
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY1
FASTENER LENGTH0.475 INCHES NOMINAL
FIRST DIAMETER FROM HEAD0.072 INCHES MINIMUM AND 0.076 INCHES MAXIMUM
HEAD DIAMETER0.198 INCHES NOMINAL
HEAD HEIGHT0.190 INCHES NOMINAL
HEAD STYLEKNURLED NO. 5
INTERNAL DRIVE STYLESLOT
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5734 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALIRON ALLOY 660 OVERALL
NOMINAL THREAD DIAMETER2.5 MILLIMETERS
POINT STYLECONE
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSREFERENCE NUMBER DIFFERENTIATING MATERIAL WILL BE IN ACCORDANCE WITH NAVAL INVENTORY CONTROL POINT ACTIVITY HX QUALITY CONTROL. MANUFACTURING AND TESTING SPECIFICATION AVAILABLE AT THE DLA ICP
SPECIAL FEATURESITEM MUST COMPLY WITH REQUIREMENTS OF DEFENSE SUPPLY CENTER COLUMBUS PRODUCTION STANDARD NO. LO-014539421.
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35, TY II FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.202 INCHES NOMINAL
THREAD PITCH IN MILLIMETERS0.45
THREAD SERIES DESIGNATORM


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