Product Details | CLOSE TOLERANCE SCREW

5305-01-580-9531 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: BACB30NT06K3, 5305-01-580-9531, 01-580-9531, 5305015809531, 015809531

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 31 DEC 2009 01-580-9531

Cross Reference | NSN 5305-01-580-9531

Part Number Cage Code Manufacturer
BACB30NT06K3 81205 THE BOEING COMPANY DBA BOEING

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Technical Data | NSN 5305-01-580-9531

Characteristic Specifications
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.308 INCHES NOMINAL
HEAD DIAMETER 0.256 INCHES MINIMUM AND 0.270 INCHES MAXIMUM
GRIP DIAMETER 0.1361 INCHES MINIMUM AND 0.1375 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION BMS 10-85, TYPE 1 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
HEAD HEIGHT 0.086 INCHES MINIMUM AND 0.097 INCHES MAXIMUM
THREAD QUANTITY PER INCH 32
GRIP LENGTH 0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM
NOMINAL THREAD DIAMETER 0.138 INCHES
MATERIAL TITANIUM ALLOY UNS R56400 OVERALL
SURFACE FINISH 32.0 MICROINCHES THREADS
PART NAME ASSIGNED BY CONTROLLING AGENCY BOLT, PAN HEAD, CROSS RECESS, SHORT THREAD
THREAD SERIES DESIGNATOR UNJF
HEAD STYLE PAN
SURFACE FINISH 32.0 MICROINCHES BEARING SURFACE OF HEAD
INTERNAL DRIVE STYLE CROSS RECESS TYPE 1
MATERIAL DOCUMENT AND CLASSIFICATION AMS 4928 ASSN STD SINGLE MATERIAL RESPONSE OVERALL OR AMS 4967 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
FASTENER LENGTH 0.496 INCHES NOMINAL
SURFACE TREATMENT ALUMINUM OVERALL
SURFACE FINISH 32.0 MICROINCHES GRIP
THREAD CLASS 3A

Restrictions/Controls & Freight Information | NSN 5305-01-580-9531

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