5305-00-550-9682 SCREW,EXTERNALLY RELIEVED BODY Index 5305-00-550-9690 SCREW,MACHINE

National Stock Number:
5310-00-550-9688

Federal Supply Class:
5310

National Item Identification Number:
005509688

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.)


Manufacturer Information:
35078630205MERCER PRODUCTS & MANUFACTURING COMPANY
35078665506FEDERAL INDUSTRIES, INC.
35078698897LOCKHEED MARTIN CORP


Techincal Specification:
HARDNESS RATING25.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-6050,COND F4 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 8630 OVERALL
NOMINAL THREAD SIZE0.250 INCHES
NUT DIAMETER0.625 INCHES NOMINAL
NUT STYLEROUND
NUT THICKNESS1.000 INCHES NOMINAL
WIDTH ACROSS FLATS0.344 INCHES NOMINAL
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH28
THREAD SERIESUNF


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