NUT,SELF-LOCKING,ROUND

5310FSC

01NCB code

524-2099Item number

NIIN 01-524-2099

Identification

THREAD CLASS	3B
THREAD DIRECTION	RIGHT-HAND
LOCKING FEATURE	PREVAILING TORQUE WITH NONMETALLIC INSERT
LUBRICATION	WAX
SMALL END DIAMETER	INCHES NOMINAL 2.091
DRIVE POINT DEPTH	INCHES NOMINAL 0.098
NUT STYLE
NUT DIAMETER	INCHES NOMINAL 2.279
NUT THICKNESS	INCHES NOMINAL 0.491
DRIVE POINT WIDTH	INCHES NOMINAL 0.250
UNDERCUT THICKNESS	INCHES NOMINAL 0.065
DRIVE POINT QUANTITY	4
END ITEM IDENTIFICATION	BOEING AIRCRAFT B757
TEMP RATING	FAHRENHEIT MINIMUM -75.0 AND FAHRENHEIT MAXIMUM 250.0
THREAD SERIES	UNIFIED NATIONAL JOINT (UNJ)
THREAD QUANTITY PER INCH	12
HARDNESS RATING	ROCKWELL C MINIMUM 30.0 AND ROCKWELL C MAXIMUM 36.0
NOMINAL THREAD SIZE	INCHES 1.750
COUNTERSINK ANGLE	NUT DEGREES NOMINAL 90.0
MATERIAL	LOCKING INSERT PLASTIC POLYAMIDE NYLON
MATERIAL	NUT STEEL COMP 4130
MATERIAL DOCUMENT AND CLASSIFICATION	LOCKING INSERT ASSN STD SINGLE MATERIAL RESPONSE AST- D 4066 A0121
MATERIAL DOCUMENT AND CLASSIFICATION	NUT ASSN STD SINGLE MATERIAL RESPONSE A-S 6370 OR ASSN STD SINGLE MATERIAL RESPONSE A-S 6371
PROPRIETARY CHARACTERISTICS	PACS
SURFACE TREATMENT	NUT CADMIUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	NUT FED SPEC SINGLE TREATMENT RESPONSE QQ--416, TYE II, CLASS 2

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