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National Stock Number:
5310-00-068-1771
Federal Supply Class:
5310
National Item Identification Number:
000681771
Description:
NUT,PLAIN,ROUND
Detail:
A nut, circular in shape, which may have wrenching facilities such as flats, holes, protrusions, slots or splines in or on the periphery or in the face opposite the bearing surface. For items having a thickness (or height) exceeding two times the outside diameter, use POST, ELECTRICAL-MECHANICAL EQUIPMENT. See also NUT (1), PLAIN, KNURLED. (When height or thickness and/or outside diameter is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)
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Manufacturer Information:
| 394031-1 | 98897 | LOCKHEED MARTIN CORP | | 394031-3 | 98897 | LOCKHEED MARTIN CORP |
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Techincal Specification:
| DRIVE POINT QUANTITY | 4 | | DRIVE POINT WIDTH | 0.312 INCHES NOMINAL | | DRILLED HOLE DIAMETER | 0.071 INCHES NOMINAL | | DRIVE POINT DEPTH | 0.190 INCHES NOMINAL | | COUNTERSINK ANGLE | 90.0 DEGREES NOMINAL NUT | | CRITICALITY CODE JUSTIFICATION | FEAT | | HOLE CONFIGURATION STYLE | CONFIGURATION J | | HOLE TYPE AND QUANTITY | 4 DRILLED | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6758,COND D1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 4130 OVERALL | | NOMINAL THREAD SIZE | 3.500 INCHES | | NUT DIAMETER | 4.200 INCHES NOMINAL | | NUT STYLE | ROUND | | NUT THICKNESS | 0.310 INCHES NOMINAL | | SPECIAL FEATURES | ITEM HAS DIMENSIONAL PARAMETERS AND PERFORMANCE TOLERANCES | | SURFACE TREATMENT | CHROMIUM AND NICKEL OVERALL | | THREAD CLASS | 3B | | THREAD DIRECTION | RIGHT-HAND | | THREAD QUANTITY PER INCH | 16 | | THREAD SERIES | UN |
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