NSN 5305-01-284-7158

Part Details | CLOSE TOLERANCE SCREW

5305-01-284-7158 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: VT1694F522, VT1694F-5-22, C7985522, C7985-5-22, H185522, H185-5-22, H185522, H185-5-22, C7985522, C7985-5-22, C7985522, C7985-5-22, 1215585A22P, 121558-5-A22P, AIC985522P, AIC985-5-22P, AIC985522, AIC985-5-22, PBF1627522, PBF1627-5-22, PBF1166522, PBF1166-5-22, 5305-01-284-7158, 01-284-7158, 5305012847158, 012847158

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53AUG 30, 198801-284-715829294 ( SCREW, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK

OFFSET CRUCIFORM (TORQUE SET)

Cross Reference | NSN 5305-01-284-7158
Part Number Cage Code Manufacturer
VT1694F-5-2292215ARCONIC GLOBAL FASTENERS & RINGS,INC.
C7985-5-2206950ARCONIC GLOBAL FASTENERS & RINGS,INC.
H185-5-2217446HUCK INTERNATIONAL, INC.DBA ARCONIC FASTENING SYSTEMS AND
H185-5-2297928HUCK INTL INC
C7985-5-2281755LOCKHEED MARTIN CORPORATIONDBA LOCKHEED MARTIN AERONAUTICS
C7985-5-2256878SPS TECHNOLOGIES, LLCDBA AEROSPACE DIVISION
121558-5-A22P80539SPS TECHNOLOGIES, LLCDBA AEROSPACE FASTENERS GROUP
AIC985-5-22P06725SPS TECHNOLOGIES, LLCDBA AIR INDUSTRIES
AIC985-5-2206725SPS TECHNOLOGIES, LLCDBA AIR INDUSTRIES
PBF1627-5-2227624SPS TECHNOLOGIES, LLCDBA PB FASTENERS
PBF1166-5-2227624SPS TECHNOLOGIES, LLCDBA PB FASTENERS
Technical Data | NSN 5305-01-284-7158
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.312 INCHES
THREAD QUANTITY PER INCH24
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.501 INCHES NOMINAL
FASTENER LENGTH1.876 INCHES NOMINAL
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 LENGTH1.375 INCHES NOMINAL
GRIP DIAMETER0.311 INCHES MINIMUM AND 0.312 INCHES MAXIMUM