NSN 5305-01-395-7742

Part Details | CLOSE TOLERANCE SCREW

5305-01-395-7742 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: HR256433, HR256-4-33, HR256433, HR256-4-33, 03A414433, 03A414-4-33, 03A414433, 03A414-4-33, SLB214433, SLB214-4-33, 111462433, 111462-4-33, 03A41, 111462433, 111462-4-33, PBF1566433, PBF1566-4-33, 5305-01-395-7742, 01-395-7742, 5305013957742, 013957742

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53SEP 03, 199401-395-774229294 ( SCREW, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK

OFFSET CRUCIFORM (TORQUE SET)

Cross Reference | NSN 5305-01-395-7742
Part Number Cage Code Manufacturer
HR256-4-3373197HI-SHEAR CORPORATION
HR256-4-33L4528LISI AEROSPACE CANADA CORPDIV HI SHEAR HOLDINGS INC
03A414-4-3376823NORTHROP GRUMMAN SYSTEMS CORPORATIONDIV NORTHROP GRUMMAN AEROSPACE
03A414-4-331W025NORTHROP GRUMMAN SYSTEMS CORPORATIONDIV NORTHROP GRUMMAN AEROSPACE
SLB214-4-3316258SPACE-LOK, INC.
111462-4-330PTK6SPS TECHNOLOGIES INC
03A410PTK6SPS TECHNOLOGIES INC
111462-4-3380539SPS TECHNOLOGIES, LLCDBA AEROSPACE FASTENERS GROUP
PBF1566-4-3327624SPS TECHNOLOGIES, LLCDBA PB FASTENERS
Technical Data | NSN 5305-01-395-7742
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.675 INCHES NOMINAL
FASTENER LENGTH2.738 INCHES NOMINAL
MINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH
HEAD STYLE0 HEXAGON COUNTERSUNK
HEAD DIAMETER0.449 INCHES MINIMUM AND 0.507 INCHES MAXIMUM
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
INTERNAL DRIVE STYLE OFFSET CRUCIFORM (TORQUE SET)
GRIP LENGTH2.052 INCHES MINIMUM AND 2.072 INCHES MAXIMUM
GRIP DIAMETER0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM
SPECIAL FEATURESMAJOR THREAD DIA.:0.2425 IN.,PORM 0.015 IN.