Valve Seat

NSN: 4810-00-253-3904 | Model: V5439E

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.

NSN Properties and Flags

NATO Stock Number

4810-00-253-3904

DEMIL

Flange Diameter

3.380 inches

Flange Seat To Disk End Height

0.187 inches

Under Flange Height

0.378 inches

Seating Surface Shape

Angular

Material

Steel

Surface Treatment

Passivate

Style Designator

Threaded flanged

Pricing and Availability

Send us a request for quote using the form below. Our team will contact you with an up to date pricing and availability quote ASAP.

Certified Quality Assurance

ISO 9001:2015 + AS9120B
Counterfeit Parts Prevention
100% Product Inspections
7 Year Record Retention
On Time Delivery
HAZMAT Certified
Worldwide Shipping

NSN 4810-00-253-3904 Datasheet

Supply Class (FSC):

Powered Valves

Cross Reference:

V5439E
TV5439

Cage Codes:

Griswold Industries, Co. (CAGE 86184)

Schedule B & Trade:

Schedule B: 8481909090 (NAICS 332911)

Parts of taps, cocks, valves and similar appliances, nesoi
SITC: 74790

Parts for taps, cocks, valves and similar appliances for pipes, boiler shells, tanks, etc.
End Use: 21180

Industrial machines, other

Identification:

HMIC

N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

PMIC

U - Precious metal content is unknown

CRITL

- The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

NSN Management Codes:

SOS
Fpz
AAC
Y
Quantity per pack
1
Unit of Measure
Ea
Shelf Life
N/A
Classification Control
U
MGMT_CTL
9v-----
Repariability

Questions & Answers:
What are the historical prices recorded for this stock number?
Historical data shows pricing from $125.06 to $208.44..
Does NSN 4810-00-253-3904 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
National Aeronautics and Space Administration, Spain, and Turkey
What is the NIIN of NSN 4810-00-253-3904?
002533904 or 00-253-3904
Does NSN 4810-00-253-3904 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 4810-00-253-3904?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Jul 16, 1969