NSN 5310-00-012-5557

Part Details | SQUARE PLAIN NUT

5310-00-012-5557 A nut, flat on top and bottom, having 4 flat sides. For items having a thickness (or height) exceeding two times the width across the flats, use POST, ELECTRICAL-MECHANICAL EQUIPMENT. (When height or thickness and/or width across the flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)

Alternate Parts: FFB571TYPEB1, 5310-00-012-5557, 00-012-5557, 5310000125557, 000125557

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196300-012-555701858 ( NUT, PLAIN, SQUARE )
REFERENCE DRAWINGS & PICTURES

SQUARE

Cross Reference | NSN 5310-00-012-5557
Part Number Cage Code Manufacturer
FFB571TYPEB181348FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES
Technical Data | NSN 5310-00-012-5557
Characteristic Specifications
THREAD SERIES UNC
NOMINAL THREAD SIZE0.750 INCHES
THREAD QUANTITY PER INCH10
THREAD CLASS2B
THREAD DIRECTION RIGHT-HAND
NUT STYLE SQUARE
NUT HEIGHT0.632 INCHES MINIMUM AND 0.680 INCHES MAXIMUM
WIDTH ACROSS FLATS1.088 INCHES MINIMUM AND 1.1250 INCHES MAXIMUM
BEARING SURFACE TYPE WASHER FACED