4720-00-891-6494 HOSE,AIR DUCT Index 4720-00-891-6499 HOSE,NONMETALLIC

National Stock Number:
5310-00-891-6498

Federal Supply Class:
5310

National Item Identification Number:
008916498

Description:
NUT,PLAIN,EXTENDED WASHER,HEXAGO

Detail:
A NUT HAVING 6 FLAT SIDES AND AN INTEGRAL WASHER WHICH EXTENDS BEYOND THE FLATS OR PERIPHERY.


Manufacturer Information:
301267900198PRATT & WHITNEY CANADA CORP
H29691-415653HOWMET GLOBAL FASTENING SYSTEMS INC
H29691-475237HOWMET GLOBAL FASTENING SYSTEMS INC.


Techincal Specification:
THREAD SERIESUNJF
NOMINAL THREAD SIZE0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
MATERIALSTEEL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5085 ASSN STD 1ST MATERIAL RESPONSE OR
AMS 6370 ASSN STD 2ND MATERIAL RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING38.0 ROCKWELL C MINIMUM AND
48.0 ROCKWELL C MAXIMUM
NUT STYLEHEXAGON
WASHER OUTSIDE DIAMETER0.440 INCHES MAXIMUM
OVERALL HEIGHT0.328 INCHES MAXIMUM
WASHER THICKNESS0.050 INCHES NOMINAL
WIDTH ACROSS FLATS0.305 INCHES MINIMUM AND
0.313 INCHES MAXIMUM
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE00198
MFR SOURCE CONTROLLING REFERENCE3012679


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