Product Details | VALVE SEAT

4820-01-039-3789 A replaceable item designed to provide a 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.20248100015Valves, Powered48200018Valves, Nonpowered

Part Alternates: 8034384536, 803-4384536, 803438453675X, 803-4384536-75X, 803-4384536-75X46M0D NYLON 6/6, 803438453675X46M0DNYLON66, 4820-01-039-3789, 01-039-3789, 4820010393789, 010393789

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 18-APR-77 01-039-3789

Drawings & Photos | NSN 4820-01-039-3789


Demand History | NSN 4820-01-039-3789

Part Number Request Date QTY Origin
8034384536 2024-09-265 5 KR
4820-01-039-3789 2014-11-330 15 DIBBS
4820-01-039-3789 2014-09-261 15 DIBBS

Cross Reference | NSN 4820-01-039-3789

Part Number Cage Code Manufacturer
803-4384536 53711 NAVAL SEA SYSTEMS COMMAND
803-4384536-75X 53711 NAVAL SEA SYSTEMS COMMAND
803-4384536-75X 76364 MILWAUKEE VALVE COMPANY, INC. DBA HAMMOND
803-4384536-75X 80064 NAVAL SHIP SYSTEMS COMMAND
803-4384536-75X46M0D NYLON 6/6 53711 NAVAL SEA SYSTEMS COMMAND
803-4384536-75X46M0D NYLON 6/6 76364 MILWAUKEE VALVE COMPANY, INC. DBA HAMMOND

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Technical Data | NSN 4820-01-039-3789

Characteristic Specifications
STYLE DESIGNATOR B5 PLAIN THREADED
OVERALL HEIGHT 0.625 INCHES NOMINAL
BODY INSIDE DIAMETER 0.688 INCHES NOMINAL
MATERIAL PLASTIC POLYAMIDE OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION DUPONT TYPE 6/6 MFR REF SINGLE MATERIAL RESPONSE OVERALL
HARDNESS RATING NOT RATED
SEATING SURFACE SHAPE ANGULAR
SEAT ANGLE IN DEG 15.500 NOMINAL
THREAD SERIES DESIGNATOR UNS SINGLE THREADED PORTION
NOMINAL THREAD SIZE 2.062 INCHES SINGLE THREADED PORTION
THREAD QUANTITY PER INCH 18 SINGLE THREADED PORTION
THREAD CLASS 3A SINGLE THREADED PORTION
THREAD LENGTH 0.390 INCHES NOMINAL SINGLE THREADED PORTION

Restrictions/Controls & Freight Information | NSN 4820-01-039-3789

Category Code Description
Shelf-Life Code:0Nondeteriorative
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Controlled Inventory Item Code:UUNCLASSIFIED
Precious Metals Indicator Code:UPrecious metal type is unknown
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Category Code Description
No Freight Information