Product Details | EXTERNALLY RELIEVED BODY SCREW

5305-01-068-6309 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: 5305-01-068-6309, 01-068-6309, 5305010686309, 010686309

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 01-068-6309

Drawings & Photos | NSN 5305-01-068-6309


Cross Reference | NSN 5305-01-068-6309

Part Number Cage Code Manufacturer
666092-343 12436 BAE SYSTEMS NATIONAL SECURITY SOLUTIONS INC.
755002A7643-3 87990 QUARTERMASTER GENERAL
CA11007-3 29372 ALCOA GLOBAL FASTENERS, INC. DBA ALCOA FASTENING SYSTEMS
D792104 17446 HUCK INTERNATIONAL, INC. DBA ALCOA FASTENING SYSTEMS
SM-C-500791 PC2 80063 US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS
SMB500211 80063 US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS

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Technical Data | NSN 5305-01-068-6309

Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER 0.164 INCHES
THREAD QUANTITY PER INCH 32
THREAD CLASS 2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.220 INCHES NOMINAL
FASTENER LENGTH 0.660 INCHES NOMINAL
MATERIAL STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 304L OR STEEL COMP 305 OR STEEL COMP 309 OR STEEL COMP 310 OR STEEL COMP 316 OR STEEL COMP 316L OR STEEL COMP 317 OR STEEL COMP 321 OR STEEL COMP 347 OR STEEL COMP 303 OR STEEL COMP 303SE OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION QQ-S-763 FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-763 FED SPEC 2ND MATERIAL RESPONSE OR QQ-S-763 FED SPEC 3RD MATERIAL RESPONSE OR QQ-S-763 FED SPEC 4TH MATERIAL RESPONSE OR QQ-S-763 FED SPEC 5TH MATERIAL RESPONSE OR QQ-S-763 FED SPEC 6TH MATERIAL RESPONSE OR QQ-S-763 FED SPEC 7TH MATERIAL RESPONSE OR QQ-S-763 FED SPEC 8TH MATERIAL RESPONSE OR QQ-S-763 FED SPEC 9TH MATERIAL RESPONSE OR QQ-S-763 FED SPEC 10TH MATERIAL RESPONSE OR QQ-S-763 FED SPEC 11TH MATERIAL RESPONSE OR ASTM A582 ASSN STD 12TH MATERIAL RESPONSE OR ASTM A582 ASSN STD 13TH MATERIAL RESPONSE OVERALL
SURFACE TREATMENT PASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HEAD STYLE C33 PAN NO. 2
HEAD DIAMETER 0.306 INCHES MINIMUM AND 0.322 INCHES MAXIMUM
HEAD HEIGHT 0.105 INCHES MINIMUM AND 0.115 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 0.127 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER 0.440 INCHES NOMINAL

Restrictions/Controls & Freight Information | NSN 5305-01-068-6309

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
Category Code Description
No Freight Information