5330-00-139-7421 PACKING,PREFORMED Index 5310-00-139-7423 WASHER,SPECIAL

National Stock Number:
5310-00-139-7422

Federal Supply Class:
5310

National Item Identification Number:
001397422

Description:
NUT,SELF-LOCKING,CLINCH

Detail:
A nut having a sleeve portion on its under side, which can be crimped or clinched to hold the item in place when inserted in a hole. An integral feature is incorporated for locking.


Manufacturer Information:
002-003716-02026916NORTHROP GRUMMAN SYSTEMS CORPORATION
417712-180020NAVAL AIR WARFARE CENTER AIRCRAFT DIVISION CODE 4.8.8.0.0.B BLDG 148-2
54G3292-820284AIMTRON SYSTEMS, LLC
79NKCFM2-02019L2ESNA, LLC
79NKCFM2-0272962HARVARD INDUSTRIES INC


Techincal Specification:
COUNTERBORE DIAMETER0.210 INCHES MINIMUM AND 0.215 INCHES MAXIMUM NUT
LOCKING FEATUREPREVAILING TORQUE WITH NONMETALLIC INSERT
NUT HEIGHT0.226 INCHES MINIMUM AND 0.252 INCHES MAXIMUM
NUT COUNTERBORE DEPTH0.060 INCHES NOMINAL NUT
NUT DIAMETER0.339 INCHES MINIMUM AND 0.349 INCHES MAXIMUM
NUT STYLECLINCH
OVERALL HEIGHT0.350 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD 2ND MATERIAL RESPONSE NUT
MATERIALPLASTIC POLYAMIDE LOCKING INSERT
MATERIALSTEEL COMP 303 NUT
NOMINAL THREAD SIZE0.190 INCHES
PILOT LENGTH0.057 INCHES MINIMUM AND 0.063 INCHES MAXIMUM
PILOT DIAMETER0.252 INCHES MINIMUM AND 0.256 INCHES MAXIMUM
SURFACE TREATMENTPASSIVATE NUT
TEMP RATING350.0 FAHRENHEIT NOMINAL
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
THREAD SERIESUNF
THREAD QUANTITY PER INCH32


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