NSN 5305-01-330-7580

Part Details | CLOSE TOLERANCE SCREW

5305-01-330-7580 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: SC5027412A, SC5027-4-12A, HR246412A, HR246-4-12A, DF33001VA4T12, DF33001VA-4T-12, DF33001VA4T12, DF33001VA-4T-12, HR246412A, HR246-4-12A, 03A225412A, 03A225-4-12A, 03A225412A, 03A225-4-12A, SLB212412A, SLB212-4-12A, 123992412A, 123992-4-12A, 03A225412A, 03A225-4-12A, 123992412A, 123992-4-12A, AIC1700412A, AIC1700-4-12A, PBF1484412A, PBF1484-4-12A, 5305-01-330-7580, 01-330-7580, 5305013307580, 013307580

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53DEC 08, 199001-330-758029294 ( SCREW, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK

OFFSET CRUCIFORM (TORQUE SET)

Cross Reference | NSN 5305-01-330-7580
Part Number Cage Code Manufacturer
SC5027-4-12A06950ARCONIC GLOBAL FASTENERS & RINGS,INC.
HR246-4-12A73197HI-SHEAR CORPORATION
DF33001VA-4T-120HDW7HUCK INTERNATIONAL, INC.DBA ARCONIC FASTENING SYSTEMS AND
DF33001VA-4T-1297928HUCK INTL INC
HR246-4-12AL4528LISI AEROSPACE CANADA CORPDIV HI SHEAR HOLDINGS INC
03A225-4-12A76823NORTHROP GRUMMAN SYSTEMS CORPORATIONDIV NORTHROP GRUMMAN AEROSPACE
03A225-4-12A1W025NORTHROP GRUMMAN SYSTEMS CORPORATIONDIV NORTHROP GRUMMAN AEROSPACE
SLB212-4-12A16258SPACE-LOK, INC.
123992-4-12A0PTK6SPS TECHNOLOGIES INC
03A225-4-12A0PTK6SPS TECHNOLOGIES INC
123992-4-12A80539SPS TECHNOLOGIES, LLCDBA AEROSPACE FASTENERS GROUP
AIC1700-4-12A06725SPS TECHNOLOGIES, LLCDBA AIR INDUSTRIES
PBF1484-4-12A27624SPS TECHNOLOGIES, LLCDBA PB FASTENERS
Technical Data | NSN 5305-01-330-7580
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 LENGTH1.138 INCHES MINIMUM AND 1.168 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 LENGTH0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM
GRIP DIAMETER0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM