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National Stock Number:
5305-01-477-5617
Federal Supply Class:
5305
National Item Identification Number:
014775617
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.
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Manufacturer Information:
| 11925C4-15A | 59563 | REID PRODUCTS INC. | | HT4020-4-15A | 06725 | SPS TECHNOLOGIES, LLC | | HT4020-4-15A | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4020-4-15A | 0PTK6 | SPS TECHNOLOGIES INC | | HT4020-4-15A | 17446 | HUCK INTERNATIONAL, INC | | HT4020-4-15A | 27624 | SPS TECHNOLOGIES LLC | | ST3M652C4-15A | 06710 | VALLEY-TODECO, INC. | | ST3M652C4-15A | 0ZC92 | HEARTLAND PRECISION FASTENERS INC | | HT4020-4-15A | 56878 | SPS TECHNOLOGIES, LLC | | HT4020-4-15A | 73197 | HI-SHEAR CORPORATION | | HT4020-4-15A | 80539 | SPS TECHNOLOGIES, LLC | | HT4020-4-15A | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4020-4-15A | K5673 | SPS TECHNOLOGIES LTD TJ BROOKS DIVISION | | HT4020-4-15A | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC | | ST3M652C4-15A | 1VSL7 | HOUSTON PRECISION FASTENERS I LP | | ST3M652C4-15A | 58998 | FASTENER INNOVATION TECHNOLOGY, INC. | | WC4020-4-15A | 60516 | WEST COAST AEROSPACE, INC. | | ST3M652C4-15A | 76301 | THE BOEING COMPANY |
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Techincal Specification:
| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM | | CRITICALITY CODE JUSTIFICATION | AGAV | | FASTENER LENGTH | 1.3905 INCHES MINIMUM AND 1.4375 INCHES MAXIMUM | | FEATURES PROVIDED | CETYL ALCOHOL LUBRICANT AND O RING | | GRIP DIAMETER | 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM | | GRIP LENGTH | 0.9275 INCHES MINIMUM AND 0.9475 INCHES MAXIMUM | | HEAD HEIGHT | 0.0713 INCHES MINIMUM AND 0.0733 INCHES MAXIMUM | | HEAD DIAMETER | 0.456 INCHES MINIMUM | | HEAD STYLE | FLAT COUNTERSUNK UNDERCUT | | INTERNAL DRIVE STYLE | HIGH-TORQUE | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS5629, PH13-8MO ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP XM-13 OVERALL | | NOMINAL THREAD DIAMETER | 0.2500 INCHES | | PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW,CLOSE TOLERANCE-ASSEMBLY, 100 DEGREE COUNTERSUNK SEALING HEAD, DOVETAIL SLOT, CRES | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS-QQ-P-35 ASSN STD SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 3A | | THREAD LENGTH | 0.469 INCHES NOMINAL | | THREAD SERIES DESIGNATOR | UNJF | | THREAD QUANTITY PER INCH | 28 |
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