6640-01-493-8178 TIP,PIPET Index 6625-01-493-8181 AMMETER

National Stock Number:
5310-01-493-8180

Federal Supply Class:
5310

National Item Identification Number:
014938180

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:
596-7409743-4653711NAVAL SEA SYSTEMS COMMAND
B831-6100-4696169ELECTRIC BOAT CORPORATION
BHS-1679568WHITTET-HIGGINS COMPANY
BHSS-1679568WHITTET-HIGGINS COMPANY


Techincal Specification:
DRIVE POINT QUANTITY4
DRIVE POINT WIDTH0.355 INCHES MINIMUM AND 0.385 INCHES MAXIMUM
MATERIALPLASTIC POLYAMIDE (NYLON) LOCKING INSERT
MATERIALSTEEL COMP 303 OVERALL EXCEPT INSERT
NOMINAL THREAD SIZE3.137 INCHES
NUT DIAMETER4.141 INCHES MINIMUM AND 4.156 INCHES MAXIMUM
NUT STYLEROUND
NUT THICKNESS0.859 INCHES NOMINAL
SMALL END DIAMETER3.422 INCHES NOMINAL
SURFACE TREATMENTPASSIVATE OVERALL
TEMP RATING250.0 FAHRENHEIT MAXIMUM
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
THREAD SERIESUNS
THREAD QUANTITY PER INCH12
UNDERCUT THICKNESS0.203 INCHES NOMINAL


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