5330-00-061-5494 SEAL,PLAIN ENCASED Index 5305-00-061-5497 SCREW,CLOSE TOLERANCE

National Stock Number:
5305-00-061-5496

Federal Supply Class:
5305

National Item Identification Number:
000615496

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:
106750-6-1380539SPS TECHNOLOGIES, LLC
A147-6-1317446HUCK INTERNATIONAL, INC
BM19025-6-1317446HUCK INTERNATIONAL, INC
BM19025-6-1397928HUCK INTL INC
GB510L6-1326512NORTHROP GRUMMAN SYSTEMS CORPORATION
HT239PB6-1373197HI-SHEAR CORPORATION
HT239PB6-13L4528LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC
HT8043-6-1306950HOWMET GLOBAL FASTENING SYSTEMS INC
HT8043-6-1392215HOWMET GLOBAL FASTENING SYSTEMS INC


Techincal Specification:
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
FASTENER LENGTH1.187 INCHES MINIMUM AND 1.234 INCHES MAXIMUM
GRIP DIAMETER0.3735 INCHES MINIMUM AND 0.3745 INCHES MAXIMUM
GRIP LENGTH0.802 INCHES MINIMUM AND 0.822 INCHES MAXIMUM
HARDNESS RATING36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL
HEAD DIAMETER0.555 INCHES MINIMUM AND 0.560 INCHES MAXIMUM
HEAD STYLEFLAT COUNTERSUNK
INTERNAL DRIVE STYLEHIGH-TORQUE
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-8503 MIL SPEC 3RD MATERIAL RESPONSE OR MIL-S-6098 MIL SPEC 4TH MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 5TH MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 4140 OR STEEL COMP E4340 OR STEEL COMP 6150 OR STEEL COMP 8735 OR STEEL COMP 8740 OVERALL
MINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.375 INCHES
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
SURFACE FINISH63.0 MICROINCHES GRIP
SURFACE FINISH63.0 MICROINCHES THREADS
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.365 INCHES MINIMUM AND 0.432 INCHES MAXIMUM
THREAD QUANTITY PER INCH24


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