Product Details | HEXAGON HEAD CAP SCREW

5305-01-428-7759 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: MS90725267, MS90725-267, 5305-01-428-7759, 01-428-7759, 5305014287759, 014287759

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 01 APR 1996 01-428-7759

Drawings & Photos | NSN 5305-01-428-7759


Cross Reference | NSN 5305-01-428-7759

Part Number Cage Code Manufacturer
MS90725-267 80205 NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES
MS90725-267 96906 MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS

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Technical Data | NSN 5305-01-428-7759

Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER 1.250 INCHES
THREAD QUANTITY PER INCH 7
THREAD CLASS 2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 2.750 INCHES MINIMUM
FASTENER LENGTH 1.500 INCHES NOMINAL
MATERIAL STEEL OVERALL
HEAD STYLE C1 HEXAGON
HEAD HEIGHT 0.749 INCHES MINIMUM AND 0.813 INCHES MAXIMUM
WIDTH BETWEEN FLATS 1.813 INCHES MINIMUM AND 1.875 INCHES MAXIMUM

Restrictions/Controls & Freight Information | NSN 5305-01-428-7759

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.
Electro-static Discharge Susceptible:ANo known Electrostatic Discharge (ESD) or Electromagnetic Interference (EMI) sensitivity
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