NSN 5305-00-068-5371

Part Details | CLOSE TOLERANCE SCREW

5305-00-068-5371 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: VS2545T5F18, VS254T5F18, C082518, C082-5-18, C082518, C082-5-18, K61164111, K611641-11, C082518, C082-5-18, SFT22518, SFT22-5-18, C082518, C082-5-18, SFT225A18, SFT22-5A18, C082518, C082-5-18, C082518, C082-5-18, AIC82518, AIC82-5-18, 5305-00-068-5371, 00-068-5371, 5305000685371, 000685371

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196300-068-537129294 ( SCREW, CLOSE TOLERANCE )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK

OFFSET CRUCIFORM (TORQUE SET)

Cross Reference | NSN 5305-00-068-5371
Part Number Cage Code Manufacturer
VS2545T5F1892215ARCONIC GLOBAL FASTENERS & RINGS,INC.
VS254T5F1806950ARCONIC GLOBAL FASTENERS & RINGS,INC.
C082-5-1892215ARCONIC GLOBAL FASTENERS & RINGS,INC.
C082-5-1806950ARCONIC GLOBAL FASTENERS & RINGS,INC.
K611641-1184955KAMAN AEROSPACE CORPORATIONDBA AIR VEHICLES & MRO DIVISION
C082-5-1881755LOCKHEED MARTIN CORPORATIONDBA LOCKHEED MARTIN AERONAUTICS
SFT22-5-1856878SPS TECHNOLOGIES, LLCDBA AEROSPACE DIVISION
C082-5-1856878SPS TECHNOLOGIES, LLCDBA AEROSPACE DIVISION
SFT22-5A1880539SPS TECHNOLOGIES, LLCDBA AEROSPACE FASTENERS GROUP
C082-5-1880539SPS TECHNOLOGIES, LLCDBA AEROSPACE FASTENERS GROUP
C082-5-1806725SPS TECHNOLOGIES, LLCDBA AIR INDUSTRIES
AIC82-5-1806725SPS TECHNOLOGIES, LLCDBA AIR INDUSTRIES
Technical Data | NSN 5305-00-068-5371
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.312 INCHES
THREAD QUANTITY PER INCH24
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.341 INCHES MINIMUM AND 0.361 INCHES MAXIMUM
FASTENER LENGTH1.460 INCHES MINIMUM AND 1.507 INCHES MAXIMUM
MINIMUM TENSILE STRENGTH220000 POUNDS PER SQUARE INCH
HEAD STYLE0 HEXAGON COUNTERSUNK
HEAD DIAMETER0.625 INCHES MINIMUM AND 0.635 INCHES MAXIMUM
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
INTERNAL DRIVE STYLE OFFSET CRUCIFORM (TORQUE SET)
GRIP LENGTH1.115 INCHES MINIMUM AND 1.135 INCHES MAXIMUM
GRIP DIAMETER0.3108 INCHES MINIMUM AND 0.3117 INCHES MAXIMUM
TEST DATA DOCUMENT84955-K611641 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING)