NSN 5305-01-329-9739

Part Details | CLOSE TOLERANCE SCREW

5305-01-329-9739 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: SC502745A, SC5027-4-5A, HR24645A, HR246-4-5A, DF33001VA4T5, DF33001VA-4T-5, DF33001VA4T5, DF33001VA-4T-5, HR24645A, HR246-4-5A, 03A22545A, 03A225-4-5A, 03A22545A, 03A225-4-5A, SLB21245A, SLB212-4-5A, 12399245A, 123992-4-5A, 12399245A, 123992-4-5A, AIC170045A, AIC1700-4-5A, PBF148445A, PBF1484-4-5A, 5305-01-329-9739, 01-329-9739, 5305013299739, 013299739

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53NOV 28, 199001-329-973929294 ( SCREW, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK

OFFSET CRUCIFORM (TORQUE SET)

Cross Reference | NSN 5305-01-329-9739
Part Number Cage Code Manufacturer
SC5027-4-5A06950ARCONIC GLOBAL FASTENERS & RINGS,INC.
HR246-4-5A73197HI-SHEAR CORPORATION
DF33001VA-4T-50HDW7HUCK INTERNATIONAL, INC.DBA ARCONIC FASTENING SYSTEMS AND
DF33001VA-4T-597928HUCK INTL INC
HR246-4-5AL4528LISI AEROSPACE CANADA CORPDIV HI SHEAR HOLDINGS INC
03A225-4-5A76823NORTHROP GRUMMAN SYSTEMS CORPORATIONDIV NORTHROP GRUMMAN AEROSPACE
03A225-4-5A1W025NORTHROP GRUMMAN SYSTEMS CORPORATIONDIV NORTHROP GRUMMAN AEROSPACE
SLB212-4-5A16258SPACE-LOK, INC.
123992-4-5A0PTK6SPS TECHNOLOGIES INC
123992-4-5A80539SPS TECHNOLOGIES, LLCDBA AEROSPACE FASTENERS GROUP
AIC1700-4-5A06725SPS TECHNOLOGIES, LLCDBA AIR INDUSTRIES
PBF1484-4-5A27624SPS TECHNOLOGIES, LLCDBA PB FASTENERS
Technical Data | NSN 5305-01-329-9739
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.403 INCHES NOMINAL
FASTENER LENGTH0.700 INCHES MINIMUM AND 0.730 INCHES MAXIMUM
HEAD STYLE0 HEXAGON COUNTERSUNK
HEAD DIAMETER0.5026 INCHES MINIMUM AND 0.5111 INCHES MAXIMUM
COUNTERSINK ANGLE129.0 DEGREES MINIMUM AND 131.0 DEGREES MAXIMUM
INTERNAL DRIVE STYLE OFFSET CRUCIFORM (TORQUE SET)
GRIP LENGTH0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM
GRIP DIAMETER0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM