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National Stock Number:
5305-01-681-9970
Federal Supply Class:
5305
National Item Identification Number:
016819970
Description:
SCREW,CLOSE TOLERANCE
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Manufacturer Information:
| 121558-4-5BX | 56878 | SPS TECHNOLOGIES, LLC | | 121558-4-5BX | 80539 | SPS TECHNOLOGIES, LLC | | 985B4-5R | 06725 | SPS TECHNOLOGIES, LLC | | AIC985-4-5BR | 06725 | SPS TECHNOLOGIES, LLC | | 121558-4-A5BX | 56878 | SPS TECHNOLOGIES, LLC | | 121558-4-A5BX | 80539 | SPS TECHNOLOGIES, LLC | | AIC985B4-5R | 06725 | SPS TECHNOLOGIES, LLC | | VT1694AS4-5X | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | H185B4-5R | 17446 | HUCK INTERNATIONAL, INC | | C7985B4-5R | 81755 | LOCKHEED MARTIN CORPORATION | | VT1694AS4-5X | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNJF | | NOMINAL THREAD DIAMETER | 0.2500 INCHES | | THREAD QUANTITY PER INCH | 28 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.403 INCHES NOMINAL | | FASTENER LENGTH | 0.7155 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS-6487 NATIONAL STD SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | ALUMINUM OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-83488 TYPE II, CLASS 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | HARDNESS RATING | 46.0 ROCKWELL C MINIMUM AND | | 50.0 ROCKWELL C MAXIMUM OVERALL | | MINIMUM TENSILE STRENGTH | 3740 POUNDS PER SQUARE INCH | | HEAD STYLE | FLAT COUNTERSUNK | | HEAD DIAMETER | 0.350 INCHES MINIMUM AND | | 0.399 INCHES MAXIMUM | | HEAD HEIGHT | 0.063 INCHES NOMINAL | | COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND | | 101.0 DEGREES MAXIMUM | | INTERNAL DRIVE STYLE | OFFSET CRUCIFORM (TORQUE SET) | | GRIP LENGTH | 0.3125 INCHES NOMINAL | | GRIP DIAMETER | 0.2641 INCHES MINIMUM AND | | 0.2651 INCHES MAXIMUM | | POINT STYLE | FLAT | | POINT LENGTH | 0.045 INCHES NOMINAL | | POINT CHAMFER ANGLE | 45.0 DEGREES NOMINAL | | SPECIAL FEATURES | SURFACE TEXTURE PER ANSI/ASME B46.1, CONICAL SURFACE OF HEAD, SHANK, FILLET, AREA AND THREAD ELEMENTS 32 RHR MAX. ALL OTHER SURFACES 125 RHR MAX; FINISH- ION VAPOR DEPOSITED ALUMINUM COATING PER MIL-C-83488 TYPE II CLASS 3 WITH DRY FILM LUBE PER MIL-L-46010, TYPE I APPLIED OVER ALUMINUM COATING | | PART NAME ASSIGNED BY CONTROLLING AGENCY | BOLT |
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