5310-01-268-1948 NUT,SELF-LOCKING,INTERNAL WRENCH Index 4820-01-268-1950 VALVE,SAFETY RELIEF

National Stock Number:
5310-01-268-1949

Federal Supply Class:
5310

National Item Identification Number:
012681949

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:
70209-74018-10178286SIKORSKY AIRCRAFT CORPORATION


Techincal Specification:
THREAD SERIESUNJS
NOMINAL THREAD SIZE6.938 INCHES
THREAD QUANTITY PER INCH12
THREAD CLASS2B
THREAD DIRECTIONRIGHT-HAND
MATERIALALUMINUM ALLOY OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/12 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTANODIZE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
NUT STYLEROUND
NUT DIAMETER7.290 INCHES NOMINAL
NUT THICKNESS0.599 INCHES NOMINAL
THE MANUFACTURERS DATA
MANUFACTURERS CODE78286
DESIGN CONTROL REFERENCE70209-74018-101


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