5310-01-580-4748 WASHER,FLAT Index 5310-01-580-4780 WASHER,FLAT

National Stock Number:
5310-01-580-4773

Federal Supply Class:
5310

National Item Identification Number:
015804773

Description:
NUT,SELF-LOCKING,GANG CHANNEL

Detail:
A NUT HAVING EARS OR LUGS DESIGNED TO HOLD IT IN POSITION AFTER ITS INSTALLATION IN A SPECIALLY DESIGNED CHANNEL. AN INTEGRAL FEATURE IS INCORPORATED FOR LOCKING ON THE THREADS OF A MATING MEMBER.


Manufacturer Information:
3M1271N4DL8-7276301THE BOEING COMPANY


Techincal Specification:
BASE WIDTH0.552 INCHES NOMINAL
PART NAME ASSIGNED BY CONTROLLING AGENCYNUT GANG CHANNEL SELF LOCKING CRES DRY FILM EXTENDED REUSEABILITY TAPERED SHIM (FOR LONGITUDINAL ANGULAR MISALIGNMENT)
NOMINAL THREAD SIZE0.250 INCHES
BASE THICKNESS0.065 INCHES NOMINAL
NUT LENGTH0.500 INCHES NOMINAL
NUT HEIGHT0.325 INCHES NOMINAL
NUT STYLEGANG CHANNEL, SELF LOCKING
SPECIAL FEATURES"D" IN PART NUMBER IS SHIM LETTER DESIGNATION AND SHIM ANGULARITY IS FOUR (4) DEGREES AND "L" IN PART NUMBER IS CUTOFF PER "K" DIMENSION BOTH ENDS
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH28
THREAD SERIESUNIFIED NATIONAL JOINT FINE (UNJF)


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