Product Details | MACHINE SCREW

5305-01-642-5099 An externally threaded fastener whose threaded portion is of one nominal diameter, No 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below No. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal 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. Excludes BOLT, CLEVIS; BOLT, EXTERNALLY RELIEVED BODY; SCREW, EXTERNALLY RELIEVED BODY; and SCREW, ASSEMBLED WASHER. See also, SCREW, INSTRUMENT; BOLT, MACHINE; BOLT, INTERNAL WRENCHING; and SCREW, CAP SOCKET HEAD.

Part Alternates: MS321250L, MS3212-50L , 5305-01-642-5099, 01-642-5099, 5305016425099, 016425099

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 2015058 01-642-5099

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Technical Data | NSN 5305-01-642-5099

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 0.562 INCHES MAXIMUM
FASTENER LENGTH 0.562 INCHES MAXIMUM
SCREW MATERIAL STEEL CORROSION RESISTING
SCREW SURFACE TREATMENT PASSIVATE
SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION AMS2700, MOTHOD 1, CLASS 4 ASSN STD SINGLE TREATMENT RESPONSE
HEAD STYLE PAN
HEAD DIAMETER 0.473 INCHES MINIMUM AND
HEAD HEIGHT 0.162 INCHES MINIMUM AND
INTERNAL DRIVE STYLE CROSS RECESS TYPE 1
FEATURES PROVIDED O RING
SPECIAL FEATURES DEPTH OF RECESS: MIN. 0.135, MAX. 0.161; WIDTH OF RECESS: MIN. 0.036 INCH
III PART NAME ASSIGNED BY CONTROLLING AGENCY SCREW MACHINE, PAN HEAD, CROSS-RECESSED, SELF-SEALING, INTEGRAL SILICONE-ORING, PLAIN AND SELF-LOCKING

Restrictions/Controls & Freight Information | NSN 5305-01-642-5099

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