5305-01-512-8305 SCREW,CLOSE TOLERANCE Index 1560-01-512-8307 COVER,ACCESS,AIRCRAFT

National Stock Number:
5305-01-512-8306

Federal Supply Class:
5305

National Item Identification Number:
015128306

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:
11825C4-5AF59563REID PRODUCTS INC.
11825D4-5AF59563REID PRODUCTS INC.
3M1170C4-5AF06710VALLEY-TODECO, INC.
3M1170C4-5AF0K6Z0SATURN FASTENERS INC
11845C4-5AF59563REID PRODUCTS INC.
11845D4-5AF59563REID PRODUCTS INC.
3M1170D4-5AF06710VALLEY-TODECO, INC.
3M1170D4-5AF0K6Z0SATURN FASTENERS INC
3M1170D4-5AF0ZC92HEARTLAND PRECISION FASTENERS INC
3M1170C4-5AF0ZC92HEARTLAND PRECISION FASTENERS INC
3M1170C4-5AF1VSL7HOUSTON PRECISION FASTENERS I LP
3M1170D4-5AF1VSL7HOUSTON PRECISION FASTENERS I LP
3M1170C4-5AF58998FASTENER INNOVATION TECHNOLOGY, INC.
3M1170C4-5AF76301THE BOEING COMPANY
TX1027C4-5AF06725SPS TECHNOLOGIES, LLC
TX1027C4-5AF06950HOWMET GLOBAL FASTENING SYSTEMS INC
TX1027C4-5AF0PTK6SPS TECHNOLOGIES INC
HP1170D4-5F0ZC92HEARTLAND PRECISION FASTENERS INC
TX1027C4-5AF17446HUCK INTERNATIONAL, INC
GS1014C4-5AF1EM77B & B SPECIALTIES INC
GS1014D4-5AF1EM77B & B SPECIALTIES INC
TX1027C4-5AF27624SPS TECHNOLOGIES LLC
TX1027C4-5AF56878SPS TECHNOLOGIES, LLC
3M1170D4-5AF58998FASTENER INNOVATION TECHNOLOGY, INC.
TX1027C4-5AF73197HI-SHEAR CORPORATION
3M1170D4-5AF76301THE BOEING COMPANY
TX1027C4-5AF80539SPS TECHNOLOGIES, LLC
TX1027C4-5AF92215HOWMET GLOBAL FASTENING SYSTEMS INC
TX1027C4-5AFC4293ALCOA FASTENING SYSTEMS FAIRCHILDFASTENERS EUROPE - VSD GMBH
TX1027C4-5AFL4528LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC
TX1027D4-5AF06725SPS TECHNOLOGIES, LLC
TX1027D4-5AF06950HOWMET GLOBAL FASTENING SYSTEMS INC
TX1027D4-5AF0PTK6SPS TECHNOLOGIES INC
TX1027D4-5AF17446HUCK INTERNATIONAL, INC
TX1027D4-5AF27624SPS TECHNOLOGIES LLC
TX1027D4-5AF56878SPS TECHNOLOGIES, LLC
WC1170C4-5AF60516WEST COAST AEROSPACE, INC.
WC1170D4-5AF60516WEST COAST AEROSPACE, INC.
TX1027D4-5AF73197HI-SHEAR CORPORATION
TX1027D4-5AF80539SPS TECHNOLOGIES, LLC
TX1027D4-5AF92215HOWMET GLOBAL FASTENING SYSTEMS INC
TX1027D4-5AFC4293ALCOA FASTENING SYSTEMS FAIRCHILDFASTENERS EUROPE - VSD GMBH


Techincal Specification:
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
FASTENER LENGTH0.722 INCHES MINIMUM AND 0.752 INCHES MAXIMUM
GRIP DIAMETER0.249 INCHES NOMINAL
GRIP LENGTH0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM
HEAD DIAMETER0.385 INCHES MINIMUM AND 0.394 INCHES MAXIMUM
HEAD STYLEFLAT COUNTERSUNK
INTERNAL DRIVE STYLETORX
PART NAME ASSIGNED BY CONTROLLING AGENCYBOLT, 100 DEGREE REDUCED HEAD, GEAR DRIVE RECESS
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALNICKEL ALLOY 718 OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES
SPECIAL FEATURES125 KSI SHEAR STRENGTH
POINT STYLEFLAT
POINT DIAMETER0.425 INCHES NOMINAL
SPLINE MAJOR DIAMETER0.154 INCHES MINIMUM AND 0.156 INCHES MAXIMUM
SURFACE TREATMENTPASSIVATE OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS3A
THREAD LENGTH0.420 INCHES MINIMUM AND 0.430 INCHES MAXIMUM
THREAD SERIES DESIGNATORUNJF
THREAD QUANTITY PER INCH28


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