NSN 5305-01-054-6279

Part Details | CLOSE TOLERANCE SCREW

5305-01-054-6279 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: VT1694F57, VT1694F5-7, GS100957, GS1009-5-7, C798557, C7985-5-7, C2064557, C20645-5-7, SF11657, SF116-5-7, 9392657, 93926-5-7, 9392657, 93926-5-7, 1215585A7P, 121558-5-A7P, AIC98557P, AIC985-5-7P, AIC98557, AIC985-5-7, PBF116657, PBF1166-5-7, VT1002157, VT10021-5-7, 5305-01-054-6279, 01-054-6279, 5305010546279, 010546279

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 23, 197801-054-627929294 ( SCREW, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK

OFFSET CRUCIFORM (TORQUE SET)

Cross Reference | NSN 5305-01-054-6279
Part Number Cage Code Manufacturer
VT1694F5-792215ARCONIC GLOBAL FASTENERS & RINGS,INC.
GS1009-5-71EM77B & B SPECIALTIES INC.DBA G S AEROSPACE DIVISION DIV GS
C7985-5-781755LOCKHEED MARTIN CORPORATIONDBA LOCKHEED MARTIN AERONAUTICS
C20645-5-781755LOCKHEED MARTIN CORPORATIONDBA LOCKHEED MARTIN AERONAUTICS
SF116-5-70K6Z0SATURN FASTENERS INCDIV ACUMENT
93926-5-756878SPS TECHNOLOGIES, LLCDBA AEROSPACE DIVISION
93926-5-780539SPS TECHNOLOGIES, LLCDBA AEROSPACE FASTENERS GROUP
121558-5-A7P80539SPS TECHNOLOGIES, LLCDBA AEROSPACE FASTENERS GROUP
AIC985-5-7P06725SPS TECHNOLOGIES, LLCDBA AIR INDUSTRIES
AIC985-5-706725SPS TECHNOLOGIES, LLCDBA AIR INDUSTRIES
PBF1166-5-727624SPS TECHNOLOGIES, LLCDBA PB FASTENERS
VT10021-5-706710VALLEY-TODECO, INC.DBA ARCONIC FASTENING SYSTEMS AND
Technical Data | NSN 5305-01-054-6279
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.312 INCHES
THREAD QUANTITY PER INCH24
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.476 INCHES MINIMUM AND 0.526 INCHES MAXIMUM
FASTENER LENGTH0.924 INCHES MINIMUM AND 0.954 INCHES MAXIMUM
MINIMUM TENSILE STRENGTH220000 POUNDS PER SQUARE INCH
HEAD STYLE0 HEXAGON COUNTERSUNK
HEAD DIAMETER0.429 INCHES MINIMUM AND 0.479 INCHES MAXIMUM
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
INTERNAL DRIVE STYLE OFFSET CRUCIFORM (TORQUE SET)
GRIP LENGTH0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM
GRIP DIAMETER0.3110 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM