5305-01-008-4194 SCREW,CAP,SOCKET HEAD Index 5305-01-008-4196 SCREW,CAP,HEXAGON HEAD

National Stock Number:
5306-01-008-4195

Federal Supply Class:
5306

National Item Identification Number:
010084195

Description:
BOLT,RIBBED SHOULDER

Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter. It has a series of longitudinal ribs, splines or serrations on all or a part of the shoulder. The minor diameter of the ribs must be greater than the major diameter of the threads. See also BOLT, RIBBED NECK.


Manufacturer Information:
MS51948-496906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
DISTANCE FROM LARGEST DIAMETER OF BEARING SURFACE OF HEAD TO RIBS0.090 INCHES NOMINAL
FASTENER LENGTH1.740 INCHES MINIMUM AND 1.750 INCHES MAXIMUM
HARDNESS RATING78.0 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 84.0 ROCKWELL SUPERFICIAL 15-N MAXIMUM OVERALL
HEAD DIAMETER0.800 INCHES NOMINAL
HEAD HEIGHT0.250 INCHES NOMINAL
HEAD STYLEFLAT CHAMFER
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-W-405 FED SPEC 1ST MATERIAL RESPONSE OR ASTM A322 ASSN STD 1ST MATERIAL RESPONSE OR QQ-W-405 FED SPEC 2ND MATERIAL RESPONSE OR ASTM A322 ASSN STD 2ND MATERIAL RESPONSE OR QQ-W-405 FED SPEC 3RD MATERIAL RESPONSE OR ASTM A322 ASSN STD 3RD MATERIAL RESPONSE OR QQ-W-405 FED SPEC 4TH MATERIAL RESPONSE OR QQ-W-405 FED SPEC 5TH MATERIAL RESPONSE OR ASTM A322 ASSN STD 5TH MATERIAL RESPONSE OR QQ-W-405 FED SPEC 6TH MATERIAL RESPONSE OR QQ-W-405 FED SPEC 7TH MATERIAL RESPONSE OR QQ-W-405 FED SPEC 8TH MATERIAL RESPONSE OR ASTM A322 ASSN STD 8TH MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 1335 OR STEEL COMP 1340 OR STEEL COMP 4037 OR STEEL COMP 4135 OR STEEL COMP 8637 OR STEEL COMP 8640 OR STEEL COMP 8735 OR STEEL COMP 8740 OVERALL
NOMINAL THREAD DIAMETER0.500 INCHES
RIB LENGTH0.120 INCHES NOMINAL
RIB MAJOR DIAMETER0.550 INCHES MINIMUM AND 0.560 INCHES MAXIMUM
RIB MINOR DIAMETER0.535 INCHES MINIMUM AND 0.540 INCHES MAXIMUM
RIB QUANTITY35
SHOULDER DIAMETER0.535 INCHES MINIMUM AND 0.540 INCHES MAXIMUM FIRST SHOULDER
SHOULDER SHAPERIBBED FIRST SHOULDER
SHOULDER LENGTH0.690 INCHES MINIMUM AND 0.700 INCHES MAXIMUM FIRST SHOULDER
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 2 FED SPEC 1ST TREATMENT RESPONSE AND QQ-P-416,TY 2,CL 2 FED SPEC 2ND TREATMENT RESPONSE OR QQ-Z-325,TY 2,CL 2 FED SPEC 3RD TREATMENT RESPONSE AND QQ-Z-325,TY 2,CL 2 FED SPEC 4TH TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM AND CHROMATE OR ZINC AND CHROMATE OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.930 INCHES MINIMUM
THREAD QUANTITY PER INCH20
THREAD SERIES DESIGNATORUNF


Click here to Register for Free 30-day Trial

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