5305-01-310-6828 SCREW,CAP,SOCKET HEAD Index 5305-01-310-6830 SCREW,CLOSE TOLERANCE

National Stock Number:
5305-01-310-6829

Federal Supply Class:
5305

National Item Identification Number:
013106829

Description:
SCREW,CAP,HEXAGON HEAD

Detail:
An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. The threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. The thread length being the controlled dimension, the grip length is not specified. A locking feature may be incorporated in the design of the head or threads. Excludes BOLT, MACHINE; BOLT, EXTERNALLY RELIEVED BODY; BOLT, INTERNAL WRENCHING; and SCREW, CAP, SOCKET HEAD.


Manufacturer Information:
FF-S-8581348FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC
MS35307-57080205NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE
NASM3530780205NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE
MS35307-57096906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
FASTENER LENGTH2.156 INCHES MINIMUM AND 2.250 INCHES MAXIMUM
HARDNESS RATING80.0 ROCKWELL B MINIMUM OVERALL
HEAD HEIGHT0.749 INCHES MINIMUM AND 0.813 INCHES MAXIMUM
HEAD STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES OVERALL
MATERIALSTEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 302B OR STEEL COMP 303 OR STEEL COMP 303SE OR STEEL COMP 304 OR STEEL COMP 304L OR STEEL COMP 305 OR STEEL COMP 308 OR STEEL COMP 309 OR STEEL COMP 309S OR STEEL COMP 310 OR STEEL COMP 310S OR STEEL COMP 314 OR STEEL COMP 316 OR STEEL COMP 316L OR STEEL COMP 317 OR STEEL COMP 321 OR STEEL COMP 347 OR STEEL COMP 348 OR STEEL COMP 384 OR STEEL COMP 385 OVERALL
MINIMUM TENSILE STRENGTH70000 POUNDS PER SQUARE INCH
MINIMUM YIELD STRENGTH30000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER1.250 INCHES
NONDEFINITIVE SPEC/STD DATA2 TYPE
SURFACE FINISH63.0 MICROINCHES THREADS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH1.812 INCHES MINIMUM AND 2.500 INCHES MAXIMUM
THREAD QUANTITY PER INCH7
THREAD SERIES DESIGNATORUNC
WIDTH BETWEEN FLATS1.812 INCHES MINIMUM AND 1.875 INCHES MAXIMUM


Click here to Register for Free 30-day Trial

© 2025 NSN-Now. All rights reserved.    Privacy Policy  |  Contact Us