5310-01-172-0027 NUT,PLAIN,HEXAGON Index 5310-01-172-0029 NUT,SELF-LOCKING,PLATE

National Stock Number:
5310-01-172-0028

Federal Supply Class:
5310

National Item Identification Number:
011720028

Description:
NUT,PLAIN,HEXAGON

Detail:
A nut, flat on top and bottom having 6 flat sides. For items which have internal tapered or straight (parallel) pipe threads, specific electrical conduit size designation, and which when installed, provide a method of tightening to lock the connection, see LOCKNUT, ELECTRICAL CONDUIT. See also LOCKNUT, TUBE FITTING. 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.)


Manufacturer Information:
75A430720-200135962SAFRAN LANDING SYSTEMS CANADA INC
75A430720-20016Z056CM MANUFACTURING INC
75A430720-200176301THE BOEING COMPANY
75A430720-200193366GE AVIATION SYSTEMS LLC
75A430720-2001K0654SAFRAN LANDING SYSTEMS UK LTD


Techincal Specification:
DRILLED HOLE DIAMETER0.069 INCHES MINIMUM AND 0.074 INCHES MAXIMUM
BEARING SURFACE TYPECHAMFERED
HOLE CONFIGURATION STYLECONFIGURATION B
HOLE TYPE AND QUANTITY3 DRILLED
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 4340 OVERALL
NOMINAL THREAD SIZE0.875 INCHES
NUT HEIGHT0.320 INCHES NOMINAL
NUT STYLEHEXAGON
WIDTH ACROSS FLATS1.296 INCHES MINIMUM AND 1.315 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONPS 13143,CL 3,TY 2,FSCM 76301 MFR REF SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTALUMINUM OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS3B
THREAD SERIESUNJF
THREAD QUANTITY PER INCH14


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