Product Details | CLOSE TOLERANCE SCREW

5305-01-549-6599 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: NAS11347, NAS1134-7, 5305-01-549-6599, 01-549-6599, 5305015496599, 015496599

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 27 MAR 2007 01-549-6599

Drawings & Photos | NSN 5305-01-549-6599


Demand History | NSN 5305-01-549-6599

Part Number Request Date QTY Origin
NAS11347 2020-12-343 2 United States

Cross Reference | NSN 5305-01-549-6599

Part Number Cage Code Manufacturer
NAS1134-7 2N935 B/E AEROSPACE, INC. DBA BE AEROSPACE CONSUMABLES
NAS1134-7 80205 NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES

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Technical Data | NSN 5305-01-549-6599

Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER 0.250 INCHES
THREAD QUANTITY PER INCH 28
THREAD CLASS 3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.316 INCHES NOMINAL
FASTENER LENGTH 0.754 INCHES NOMINAL
MATERIAL STEEL COMP 4140 OR STEEL COMP 4340 OR STEEL COMP 8740 OVERALL
SURFACE TREATMENT CADMIUM OVERALL
HEAD STYLE C32 PAN
HEAD DIAMETER 0.473 INCHES MINIMUM AND 0.492 INCHES MAXIMUM
HEAD HEIGHT 0.162 INCHES MINIMUM AND 0.175 INCHES MAXIMUM
INTERNAL DRIVE STYLE D8 TORQUE SET
GRIP LENGTH 0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM
GRIP DIAMETER 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM
III END ITEM IDENTIFICATION CN-235 TRANSPORT AIRCRAFT

Restrictions/Controls & Freight Information | NSN 5305-01-549-6599

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