6545-01-398-0288 PARTS KIT STETHOSCOPE,ULTRASONIC Index 5305-01-398-0290 SCREW,CLOSE TOLERANCE

National Stock Number:
5305-01-398-0289

Federal Supply Class:
5305

National Item Identification Number:
013980289

Description:
SETSCREW

Detail:
An externally threaded device whose threaded portion is of one nominal diameter with or without a head and having a cup, cone, or other type of machined point designed to prevent or restrict relative movement of parts and designed to be driven with either a wrench or inserted driver. A locking feature may be incorporated in the design of the head or threads.


Manufacturer Information:
181A34903640LOCKHEED MARTIN CORPORATION
181A349-103640LOCKHEED MARTIN CORPORATION
CA21062-10-5-1029372HOWMET GLOBAL FASTENING SYSTEMS INC.


Techincal Specification:
FASTENER LENGTH0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM
HEAD DIAMETER0.357 INCHES MINIMUM AND 0.373 INCHES MAXIMUM
HEAD HEIGHT0.127 INCHES NOMINAL
HEAD STYLEPAN
INTERNAL DRIVE STYLECROSS RECESS TYPE II
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763, 300 SERIES FED SPEC ALL MATERIAL RESPONSES OVERALL
MATERIALSTEEL CORROSION RESISTING OVERALL
NOMINAL THREAD DIAMETER0.190 INCHES
SPECIAL FEATURES2 SLOTS 180 DEGREES APART, 0.049 IN. WIDTH BY 0.389 IN. LG, 0.100 IN. MAX DISTANCE FROM END OF POINT
POINT CHAMFER ANGLE45.0 DEGREES NOMINAL
POINT DIAMETER0.142 INCHES MINIMUM AND 0.147 INCHES MAXIMUM
POINT LENGTH0.100 INCHES MAXIMUM
POINT STYLECHAMFER DOG
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.369 INCHES MAXIMUM
THREAD QUANTITY PER INCH32
THREAD SERIES DESIGNATORUNF


Click here to Register for Free 30-day Trial

© 2026 NSN-Now. All rights reserved.    Privacy Policy  |  Contact Us