4710-01-008-8989 TUBE ASSEMBLY Index 5120-01-008-8991 BLOCK,SIZING

National Stock Number:
5310-01-008-8990

Federal Supply Class:
5310

National Item Identification Number:
010088990

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:
65700-10079-10124411MERCURY TOOL AND MACHINE CO., INC.
65700-10079-10178286SIKORSKY AIRCRAFT CORPORATION
65700-10079-1018T119G M J MACHINE CO, INC


Techincal Specification:
MATERIAL DOCUMENT AND CLASSIFICATIONAMS-5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 630 OVERALL
NOMINAL THREAD SIZE3.125 INCHES
NUT DIAMETER3.373 INCHES NOMINAL
NUT STYLEROUND
NUT THICKNESS0.630 INCHES NOMINAL
SPECIAL FEATURES2 SLOTS ON BEARING SURFACE,180.0 DEG APART,1.040 IN. WD BY 0.130 IN. DEEP
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONSS-8435 FSCM 78286 MFR REF SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS2B
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH16
THREAD SERIESUN


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