Product Details | HEXAGON HEAD CAP SCREW

5306-01-326-4322 An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. The threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. The thread length being the controlled dimension, the grip length is not specified. A locking feature may be incorporated in the design of the head or threads. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. Excludes BOLT,MACHINE; BOLT,EXTERNALLY RELIEVED BODY; BOLT,INTERNAL WRENCHING; and SCREW,CAP,SOCKET HEAD.

Part Alternates: 013264322

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 24-SEP-90 01-326-4322

Drawings & Photos | NSN 5305-01-326-4322


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Technical Data | NSN 5306-01-326-4322

Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER 0.438 INCHES
THREAD QUANTITY PER INCH 20
THREAD CLASS 3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 1.040 INCHES MINIMUM AND 1.187 INCHES MAXIMUM
FASTENER LENGTH 1.140 INCHES MINIMUM AND 1.187 INCHES MAXIMUM
MATERIAL STEEL COMP 4140 OR STEEL COMP 4130 OR STEEL COMP 4037 OVERALL
SURFACE TREATMENT CADMIUM AND CHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-416,TY2 CL2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH 160000 POUNDS PER SQUARE INCH
HEAD STYLE C1 HEXAGON
HEAD HEIGHT 0.328 INCHES NOMINAL
WIDTH BETWEEN FLATS 0.615 INCHES MINIMUM AND 0.627 INCHES MAXIMUM
HOLE CONFIGURATION STYLE E4 HEXAGON CORNERS
HOLE TYPE DRILLED
HOLE QUANTITY 3
HOLE DIAMETER 0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM
SPECIFICATION/STANDARD DATA 80205-NAS567 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD

Restrictions/Controls & Freight Information | NSN 5306-01-326-4322

Category Code Description
Shelf-Life Code:0Nondeteriorative
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.
Controlled Inventory Item Code:UUNCLASSIFIED
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