Product Details | EXTERNALLY RELIEVED BODY SCREW

5305-01-343-4205 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: 367SS20, 367-SS-20, 5305-01-343-4205, 01-343-4205, 5305013434205, 013434205

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 13 AUG 1991 01-343-4205

Cross Reference | NSN 5305-01-343-4205

Part Number Cage Code Manufacturer
367-SS-20 55566 R A F ELECTRONIC HARDWARE INC

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Technical Data | NSN 5305-01-343-4205

Characteristic Specifications
THREAD LENGTH 0.110 INCHES MINIMUM AND 0.125 INCHES MAXIMUM
POINT DIAMETER 0.068 INCHES MINIMUM AND 0.078 INCHES MAXIMUM
THREAD DIRECTION RIGHT-HAND
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY 1
NOMINAL THREAD DIAMETER 0.112 INCHES
POINT LENGTH 0.063 INCHES MINIMUM AND 0.093 INCHES MAXIMUM
POINT CHAMFER ANGLE 90.0 DEGREES NOMINAL
THREAD QUANTITY PER INCH 40
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER 0.162 INCHES MINIMUM AND 0.182 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD 0.073 INCHES MINIMUM AND 0.083 INCHES MAXIMUM
THREAD SERIES DESIGNATOR UNC
FASTENER LENGTH 0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
INTERNAL DRIVE STYLE SLOT
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD CLASS 2A
SURFACE TREATMENT PASSIVATE OVERALL
HEAD HEIGHT 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM
HEAD STYLE KNURLED NO. 4
HEAD DIAMETER 0.250 INCHES MINIMUM AND 0.265 INCHES MAXIMUM
MATERIAL STEEL COMP 303 OVERALL
POINT STYLE CONE

Restrictions/Controls & Freight Information | NSN 5305-01-343-4205

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