NSN 5305-00-052-4261

Part Details | CLOSE TOLERANCE SCREW

5305-00-052-4261 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.

Alternate Parts: NAS120738, NAS1207-38, NAS120738, NAS1207-38, NAS120738, NAS1207-38, NAS120738, NAS1207-38, NAS120738, NAS1207-38, NAS120738, NAS1207-38, NAS120738, NAS1207-38, NAS120738, NAS1207-38, NAS120738, NAS1207-38, NAS120738, NAS1207-38, NAS120738, NAS1207-38, NAS120738, NAS1207-38, NAS120738, NAS1207-38, 5305-00-052-4261, 00-052-4261, 5305000524261, 000524261

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196300-052-426129294 ( SCREW, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK

CROSS RECESS TYPE 1

Cross Reference | NSN 5305-00-052-4261
Part Number Cage Code Manufacturer
NAS1207-3808938AIR INDUSTRIES CO INC
NAS1207-3850568APCOM INC
NAS1207-3871563COLLINS ENGINEERING CORP
NAS1207-3882172DURHAM AIRCRAFT SERVICE INC
NAS1207-3830889ERIKS SOUTHWEST INCDBA MONTCLAIR ENTERPRISES
NAS1207-3830902F AND C SALES INC
NAS1207-3873197HI-SHEAR CORPORATION
NAS1207-3804348LAWRENCE ENGINEERING AND SUPPLY INC
NAS1207-38L4528LISI AEROSPACE CANADA CORPDIV HI SHEAR HOLDINGS INC
NAS1207-3880205NATIONAL AEROSPACE STANDARDSCOMMITTEE AEROSPACE INDUSTRIES
NAS1207-3807851NOR-CAL SUPPLY CO.INC.
NAS1207-3856878SPS TECHNOLOGIES, LLCDBA AEROSPACE DIVISION
NAS1207-3880539SPS TECHNOLOGIES, LLCDBA AEROSPACE FASTENERS GROUP
Technical Data | NSN 5305-00-052-4261
Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER0.438 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.428 INCHES MINIMUM AND 0.478 INCHES MAXIMUM
FASTENER LENGTH2.813 INCHES MINIMUM AND 2.843 INCHES MAXIMUM
MINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH
HEAD STYLE0 HEXAGON COUNTERSUNK
HEAD DIAMETER0.832 INCHES MINIMUM AND 0.890 INCHES MAXIMUM
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
INTERNAL DRIVE STYLE CROSS RECESS TYPE 1
GRIP LENGTH2.365 INCHES MINIMUM AND 2.385 INCHES MAXIMUM
GRIP DIAMETER0.4360 INCHES MINIMUM AND 0.4370 INCHES MAXIMUM
SPECIFICATION/STANDARD DATA80205-NAS1207 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD