5310-00-005-0524 WASHER,FLAT Index 5330-00-005-0528 PACKING,PREFORMED

National Stock Number:
5310-00-005-0525

Federal Supply Class:
5310

National Item Identification Number:
000050525

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:
79NC6-040019L2ESNA, LLC
79NC6-04072962HARVARD INDUSTRIES INC
G231340-5101714LUCENT TECHNOLOGIES INC ADVANCED TECHNOLOGY SYSTEMS
M45938/8-7C81349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
COUNTERBORE DIAMETER0.280 INCHES NOMINAL NUT
LOCKING FEATUREPREVAILING TORQUE WITH NONMETALLIC INSERT
MATERIAL DOCUMENT AND CLASSIFICATIONAISI 303 ASSN STD 1ST MATERIAL RESPONSE NUT
MATERIALPLASTIC LOCKING INSERT
MATERIALSTEEL COMP 303 NUT
NOMINAL THREAD SIZE0.250 INCHES
NUT COUNTERBORE DEPTH0.189 INCHES MINIMUM AND 0.201 INCHES MAXIMUM NUT
NUT STYLECLINCH
NUT HEIGHT0.508 INCHES NOMINAL
PILOT LENGTH0.195 INCHES NOMINAL
PILOT DIAMETER0.359 INCHES NOMINAL
WIDTH ACROSS FLATS0.438 INCHES NOMINAL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL EXCEPT INSERT
SURFACE TREATMENTPASSIVATE OVERALL EXCEPT INSERT
TEMP RATING250.0 FAHRENHEIT NOMINAL
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH20
THREAD SERIESUNJC


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