5305-01-397-7495, SCREW,CLOSE TOLERANCE

National Stock Number:
5305-01-397-7495

Federal Supply Class:
5305

National Item Identification Number:
013977495

Description:
SCREW,CLOSE TOLERANCE

Detail:
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.

Manufacturer Information:

5305PL0885558	9009H	INSPEKTORAT WSPARCIA SIL ZBROJNYCH
93926-3-12	56878	SPS TECHNOLOGIES, LLC
AIC618-3-12	06725	SPS TECHNOLOGIES, LLC
C20645-3-12	06725	SPS TECHNOLOGIES, LLC
C20645-3-12	1EM77	B & B SPECIALTIES INC
93926-3-12	80539	SPS TECHNOLOGIES, LLC
GS1009-3-12	1EM77	B & B SPECIALTIES INC
C20645-3-12	81755	LOCKHEED MARTIN CORPORATION

Techincal Specification:

COUNTERSINK ANGLE	99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
FASTENER LENGTH	1.083 INCHES MINIMUM AND 1.143 INCHES MAXIMUM
GRIP DIAMETER	0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM
GRIP LENGTH	0.720 INCHES MINIMUM AND 0.780 INCHES MAXIMUM
HARDNESS RATING	46.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL
HEAD DIAMETER	0.228 INCHES MINIMUM AND 0.288 INCHES MAXIMUM
HEAD STYLE	FLAT COUNTERSUNK
INTERNAL DRIVE STYLE	OFFSET CRUCIFORM (TORQUE SET)
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 6487 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCY	100 DEGRESS REDUCED FLUSH HEAD, HEAD OFFSET CRUCIFORM RECESS, 132 KSI SHEAR
MATERIAL	STEEL COMP H11 OVERALL
MINIMUM TENSILE STRENGTH	220000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.190 INCHES
SINGLE SHEAR STRENGTH	132000 POUNDS PER SQUARE INCH
SPECIAL FEATURES	FINISH CADMIUM FLUOBORATE PLATE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	NAS 672 NATIONAL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	CADMIUM OVERALL
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.363 INCHES NOMINAL
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL JOINT FINE (UNJF)
THREAD QUANTITY PER INCH	32

Click here to Register for Free 30-day Trial