NSN 5310-00-638-6821

Part Details | ROUND PLAIN NUT

5310-00-638-6821 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.)

Alternate Parts: 761424, 5310-00-638-6821, 00-638-6821, 5310006386821, 006386821

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196300-638-682115887 ( NUT, PLAIN, ROUND )
REFERENCE DRAWINGS & PICTURES

ROUND

Cross Reference | NSN 5310-00-638-6821
Part Number Cage Code Manufacturer
76142498897LOCKHEED MARTIN CORPORATIONDBA LOCKHEED MARTIN AERONAUTICS
Technical Data | NSN 5310-00-638-6821
Characteristic Specifications
THREAD SERIES UN
NOMINAL THREAD SIZE1.938 INCHES
THREAD QUANTITY PER INCH16
THREAD CLASS3B
THREAD DIRECTION RIGHT-HAND
HARDNESS RATING39.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM
NUT STYLE ROUND
DRIVE POINT DEPTH0.180 INCHES MINIMUM AND 0.200 INCHES MAXIMUM
NUT DIAMETER2.310 INCHES MINIMUM AND 2.330 INCHES MAXIMUM
NUT THICKNESS0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM
DRIVE POINT WIDTH0.177 INCHES MINIMUM AND 0.197 INCHES MAXIMUM
DRIVE POINT QUANTITY8