Product Details | CLOSE TOLERANCE SCREW

5305-01-612-7999 A SCREW, MACHINE or SCREW, CAP, SOCKET HEAD whose unthreaded portion is of specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001 IN.) (0.025 mm) or less of a specific diameter for items (1.000 IN.) (25 mm) or less in diameter. Items over (1.000 IN.) (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015 IN.) (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001 IN.) (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the Screw Thread Standards, FED STD H28 and/or other nationally recognized standards. The head is designed to be held or driven with an inserted driver. It is not designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads.

Part Alternates: NAS7802U4 , 5305-01-612-7999, 01-612-7999, 5305016127999, 016127999

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 2012296 01-612-7999

Demand History | NSN 5305-01-612-7999

Part Number Request Date QTY Origin
NAS7802U4 2019-08-241 100 United States

Cross Reference | NSN 5305-01-612-7999

Part Number Cage Code Manufacturer
NAS7802U4 80205 NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES

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Technical Data | NSN 5305-01-612-7999

Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
THREAD QUANTITY PER INCH 32
THREAD CLASS 3A
NONSTANDARD THREAD PITCH DIAMETER 0.132 TO 0.164 INCHES
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.323 INCHES NOMINAL
FASTENER LENGTH 0.668 INCHES MINIMUM AND
MATERIAL STEEL CORROSION RESISTING OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION AMS 5731 ASSN STD SINGLE MATERIAL RESPONSE OR
SURFACE TREATMENT PASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION -QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HEAD STYLE PAN
HEAD DIAMETER 0.306 INCHES MINIMUM AND
HEAD HEIGHT 0.105 INCHES MINIMUM AND
INTERNAL DRIVE STYLE CRUCIFORM RIBBED
GRIP LENGTH 0.240 INCHES MINIMUM
GRIP DIAMETER 0.163 INCHES NOMINAL
III PART NAME ASSIGNED BY CONTROLLING AGENCY BOLT,PAN HEAD,CLOSE TOLERANCE,SHORT THREAD,CRUCIFORM RECESS,A286 CRES,NONLOCKING

Restrictions/Controls & Freight Information | NSN 5305-01-612-7999

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