Product Details | CLOSE TOLERANCE SCREW

5305-01-580-9556 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: BACB30NN4K18, 5305-01-580-9556, 01-580-9556, 5305015809556, 015809556

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 31 DEC 2009 01-580-9556

Demand History | NSN 5305-01-580-9556

Part Number Request Date QTY Origin
5305-01-580-9556 2016-08-24 130 DIBBS
5305-01-580-9556 2016-05-12 959 DIBBS

Cross Reference | NSN 5305-01-580-9556

Part Number Cage Code Manufacturer
BACB30NN4K18 81205 THE BOEING COMPANY DBA BOEING

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Technical Data | NSN 5305-01-580-9556

Characteristic Specifications
THREAD DIRECTION RIGHT-HAND
HEAD STYLE FLAT COUNTERSUNK
MATERIAL TITANIUM ALLOY OVERALL
GRIP DIAMETER 0.2481 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM
THREAD QUANTITY PER INCH 28
COUNTERSINK ANGLE 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
PART NAME ASSIGNED BY CONTROLLING AGENCY BOLT,100 DEG,CROSS RECESS,160KSI MIN TENSILE,LONG THREAD
FASTENER LENGTH 1.535 INCHES MINIMUM AND 1.565 INCHES MAXIMUM
THREAD SERIES DESIGNATOR UNJF
INTERNAL DRIVE STYLE CROSS RECESS TYPE 1
GRIP LENGTH 1.115 INCHES MINIMUM AND 1.135 INCHES MAXIMUM
SURFACE TREATMENT ALUMINUM OVERALL
HEAD DIAMETER 0.465 INCHES MINIMUM AND 0.510 INCHES MAXIMUM
NOMINAL THREAD DIAMETER 0.250 INCHES
THREAD LENGTH 0.420 INCHES MINIMUM AND 0.430 INCHES MAXIMUM
THREAD CLASS 3A

Restrictions/Controls & Freight Information | NSN 5305-01-580-9556

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