Product Details | EXTERNALLY RELIEVED BODY SCREW

5305-01-387-6523 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.

Part Alternates: 7528255P64A, 7528255P66, 5305-01-387-6523, 01-387-6523, 5305013876523, 013876523

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 09 MAR 1994 01-387-6523

Drawings & Photos | NSN 5305-01-387-6523


Cross Reference | NSN 5305-01-387-6523

Part Number Cage Code Manufacturer
7528255P64A 99971 LOCKHEED MARTIN CORP NAVAL ELECTRONICS & SURVEILLANCE
7528255P66 99971 LOCKHEED MARTIN CORP NAVAL ELECTRONICS & SURVEILLANCE

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Technical Data | NSN 5305-01-387-6523

Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER 0.190 INCHES
THREAD QUANTITY PER INCH 32
THREAD CLASS 2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.230 INCHES MINIMUM AND 0.270 INCHES MAXIMUM
FASTENER LENGTH 0.530 INCHES MINIMUM AND 0.563 INCHES MAXIMUM
MATERIAL STEEL COMP 1018 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION QQ-S-634 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT CADMIUM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-416,TY2CL3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HEAD STYLE C31 OVAL
HEAD DIAMETER 0.357 INCHES MINIMUM AND 0.373 INCHES MAXIMUM
HEAD HEIGHT 0.122 INCHES MINIMUM AND 0.133 INCHES MAXIMUM
INTERNAL DRIVE STYLE D1 CROSS RECESS TYPE 1
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY 1
FIRST DIAMETER FROM HEAD 0.125 INCHES MINIMUM AND 0.135 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER 0.397 INCHES NOMINAL
III FSC APPLICATION DATA PACER DAWN

Restrictions/Controls & Freight Information | NSN 5305-01-387-6523

Category Code Description
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Precious Metals Indicator Code:AItem does not contain precious metal
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
Category Code Description
No Freight Information