Product Details | HEXAGON HEAD CAP SCREW

5305-01-023-3803 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: MS3529112, MS35291-12, 5305-01-023-3803, 01-023-3803, 5305010233803, 010233803

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 16 JUN 1976 01-023-3803

Drawings & Photos | NSN 5305-01-023-3803


Cross Reference | NSN 5305-01-023-3803

Part Number Cage Code Manufacturer
MS35291-12 96906 MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS

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Technical Data | NSN 5305-01-023-3803

Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER 0.250 INCHES
THREAD QUANTITY PER INCH 20
THREAD CLASS 2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 1.325 INCHES NOMINAL
FASTENER LENGTH 1.438 INCHES MINIMUM AND 1.500 INCHES MAXIMUM
MATERIAL STEEL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION FF-S-85,GRADE 2 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT CADMIUM OR ZINC OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-416,TYPE 2,CLASS C FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325,TYPE 2,CLASS 3 FED SPEC 2ND TREATMENT RESPONSE OVERALL
MINIMUM TENSILE STRENGTH 55000 POUNDS PER SQUARE INCH
HEAD STYLE C1 HEXAGON
HEAD HEIGHT 0.150 INCHES MINIMUM AND 0.163 INCHES MAXIMUM
WIDTH BETWEEN FLATS 0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM
MANUFACTURERS CODE 96906
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE MS35291-12

Restrictions/Controls & Freight Information | NSN 5305-01-023-3803

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