5306-01-168-2988 BOLT Index 5330-01-168-2990 SEAL

National Stock Number:
5310-01-168-2989

Federal Supply Class:
5310

National Item Identification Number:
011682989

Description:
NUT,SELF-LOCKING,PLATE

Detail:
A nut with a flanged base of varied shapes which may be plain or mounted by rivets, bolts, welding or integral prongs. An integral feature is incorporated for locking on the threads of a mating member.


Manufacturer Information:
F-49849-4-115653HOWMET GLOBAL FASTENING SYSTEMS INC
F-49849-H-115653HOWMET GLOBAL FASTENING SYSTEMS INC
F12332-1-4019L2ESNA, LLC
LE114-0002-400143999THE BOEING COMPANY
RF230-400152828REPUBLIC FASTENER MFG. CORP.
NS103623-048-1E80539SPS TECHNOLOGIES, LLC


Techincal Specification:
LOCKING FEATUREPREVAILING TORQUE ALL METAL DESIGN
THREAD DIRECTIONRIGHT-HAND
NUT STYLEPLATE
MATERIALIRON ALLOY 660 OVERALL
THREAD SERIESUNJF
NOMINAL THREAD SIZE0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3B
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5525 ASSN STD SINGLE MATERIAL RESPONSE OR
AMS 5732 ASSN STD SINGLE MATERIAL RESPONSE OR
AMS 5731 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTSILVER THREADS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS 2410 ASSN STD SINGLE TREATMENT RESPONSE THREADS
NUT LENGTH1.262 INCHES MAXIMUM
NUT HEIGHT0.211 INCHES NOMINAL
PLATE THICKNESS0.032 INCHES MAXIMUM
PLATE WIDTH0.510 INCHES MAXIMUM
NUT COUNTERBORE DEPTH0.062 INCHES MINIMUM NUT
COUNTERBORE DIAMETER0.254 INCHES MINIMUM NUT
LUBRICATIONDRY FILM LUBRICANT
NUT MOUNTING PROVISIONSTRAIGHT HOLES
MOUNTING HOLE ARRANGEMENT STYLE2 HOLES
MOUNTING HOLE DIAMETER0.098 INCHES MINIMUM AND
0.103 INCHES MAXIMUM
DISTANCE FROM APERTURE CENTER TO MOUNTING HOLE CENTER0.495 INCHES MINIMUM AND
0.505 INCHES MAXIMUM
CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES ALONG LENGTH0.998 INCHES MINIMUM AND
1.002 INCHES MAXIMUM
FEATURES PROVIDEDFLOATING NUT
PRECIOUS MATERIALSILVER
PRECIOUS MATERIAL AND LOCATIONTHREADS SILVER


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