4820-01-312-0284 VALVE,DIAPHRAGM,STOP Index 5340-01-312-0286 COVER,ACCESS

National Stock Number:
5307-01-312-0285

Federal Supply Class:
5307

National Item Identification Number:
013120285

Description:
STUD,SHOULDERED

Detail:
A HEADLESS FASTENER NOT EXCEEDING 12 INCHES (304.8 MM) IN LENGTH, THREADED EXTERNALLY ON BOTH ENDS WITH THREADS OF THE SAME NOMINAL DIAMETER. ALL OR PART OF THE UNTHREADED SECTION HAS A CROSS-SECTIONAL DIAMETER GREATER THAN THE NOMINAL STUD SIZE PLUS 0.020 INCHES (0.508 MM). IT MAY BE THREAD RELIEVED. SEE ALSO STUD, LOCKED IN.


Manufacturer Information:
7237385P00203538LOCKHEED MARTIN CORPORATION


Techincal Specification:
MATERIALSTEEL COMP 303 OR
STEEL COMP 303SE
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A582 ASSN STD ALL MATERIAL RESPONSES
SURFACE TREATMENTPASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONASTM A380 ASSN STD SINGLE TREATMENT RESPONSE OR
P4A-GP2 CAGEC 03538 MFR REF SINGLE TREATMENT RESPONSE OVERALL
STYLE DESIGNATORSHOULDERED
SHOULDER DIAMETER0.500 INCHES NOMINAL
SHOULDER LENGTH0.120 INCHES NOMINAL
DISTANCE ACROSS FLATS0.302 INCHES MINIMUM AND
0.322 INCHES MAXIMUM
OVERALL LENGTH1.820 INCHES NOMINAL
THREAD SERIES DESIGNATORUNF NUT THREAD
UNF STUD THREAD
NOMINAL THREAD SIZE0.250 INCHES NUT THREAD
0.250 INCHES STUD THREAD
THREAD CLASS2A NUT THREAD
2A STUD THREAD
THREAD QUANTITY PER INCH28 NUT THREAD
28 STUD THREAD
THREAD DIRECTIONRIGHT-HAND NUT THREAD
RIGHT-HAND STUD THREAD
THREAD LENGTH1.140 INCHES NOMINAL NUT THREAD
0.320 INCHES NOMINAL STUD THREAD


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