4820-01-049-3382 SEAT,VALVE Index 4820-01-049-3384 SEAT,VALVE

National Stock Number:
4820-01-049-3383

Federal Supply Class:
4820

National Item Identification Number:
010493383

Description:
SEAT,VALVE

Detail:
A replaceable item designed to provide a circular stationary seating surface for a mating, moveable item such as a valve disk or the like. The body may have a flange of various shapes. For diesel and gasoline reciprocating engines, see INSERT, ENGINE VALVE SEAT.


Manufacturer Information:
2339957574VELAN VALVE CORP.
23399PIECE5 3/857574VELAN VALVE CORP.
2551-8-6957574VELAN VALVE CORP.


Techincal Specification:
BODY INSIDE DIAMETER0.250 INCHES MINIMUM AND 0.257 INCHES MAXIMUM
BODY OUTSIDE DIAMETER0.351 INCHES MINIMUM AND 0.354 INCHES MAXIMUM
FLANGE DIAMETER0.500 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT0.328 INCHES MINIMUM AND 0.329 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONASTM-A276 ASSN STD 1ST MATERIAL RESPONSE OR ASTM-A479 ASSN STD 1ST MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATIONCOMP STELLITE NO. 5 ASSN STD SINGLE MATERIAL RESPONSE FACE
MATERIALSTEEL AND COBALT FACE
MATERIALSTEEL COMP 410 BODY
SEATING SURFACE SHAPEFLAT
STYLE DESIGNATORPLAIN FLANGED
UNDER FLANGE HEIGHT0.218 INCHES MINIMUM AND 0.229 INCHES MAXIMUM


Click here to Register for Free 30-day Trial

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