5310-01-124-7711, NUT,PLAIN,ROUND

National Stock Number:
5310-01-124-7711

Federal Supply Class:
5310

National Item Identification Number:
011247711

Description:
NUT,PLAIN,ROUND

Detail:
A nut, circular in shape, which may have wrenching facilities such as flats, holes, protrusions, slots or splines in or on the periphery or in the face opposite the bearing surface. For items having a thickness (or height) exceeding two times the outside diameter, use POST, ELECTRICAL-MECHANICAL EQUIPMENT. See also NUT (1), PLAIN, KNURLED. (When height or thickness and/or outside diameter is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)

Manufacturer Information:

64356-04051-103	05141	MCMELLON BROS., INCORPORATED
64356-04051-103	54878	ROTAIR AEROSPACE CORP
64356-04051-103	78286	SIKORSKY AIRCRAFT CORPORATION

Techincal Specification:

THREAD SERIES	UNS
NOMINAL THREAD SIZE	1.767 INCHES
THREAD QUANTITY PER INCH	18
THREAD PITCH DIAMETERS	1.7309 TO 1.7354 INCHES
THREAD DIRECTION	LEFT-HAND
MATERIAL	STEEL COMP 4130 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT	OXIDE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-C-13924,CL 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING	26.0 ROCKWELL C MINIMUM AND
	33.0 ROCKWELL C MAXIMUM
NUT STYLE	ROUND
SMALL END DIAMETER	2.038 INCHES MINIMUM AND
	2.043 INCHES MAXIMUM
DRIVE POINT DEPTH	0.086 INCHES MINIMUM AND
	0.091 INCHES MAXIMUM
NUT DIAMETER	2.125 INCHES MINIMUM AND
	2.135 INCHES MAXIMUM
NUT THICKNESS	0.307 INCHES MINIMUM AND
	0.317 INCHES MAXIMUM
DRIVE POINT WIDTH	0.230 INCHES MINIMUM AND
	0.260 INCHES MAXIMUM
UNDERCUT THICKNESS	0.095 INCHES MINIMUM AND
	0.105 INCHES MAXIMUM
DRIVE POINT QUANTITY	8
COUNTERSINK ANGLE	90.0 DEGREES NOMINAL NUT
THE MANUFACTURERS DATA
MANUFACTURERS CODE	78286
DESIGN CONTROL REFERENCE	64356-04051-103

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