Valve Seat

NSN: 4470-00-057-9050 | Model: FV21-228

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

4470-00-057-9050

DEMIL

Yes - ITAR Controlled (Code F)

Criticality Code Justification

Zzzy

Reference Number Differentiating Characteristics

Material will be in accordance with navicp mech; activity hx quality control, manufacturing and testing specifications.

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 4470-00-057-9050 Datasheet

Supply Class (FSC):

Nuclear Reactors

Cross Reference:

FV21-228
AV99-005PC26

Cage Codes:

Automatic Switch Company (CAGE 04845)

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 but does have other critical featur (s) such as tolerance, fit restrictions or application.

Questions & Answers:
What are the historical prices recorded for this stock number?
No pre-dated pricing for this NSN could be found.
Does NSN 4470-00-057-9050 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
No recorded entities for this stock number.
What is the NIIN of NSN 4470-00-057-9050?
000579050 or 00-057-9050
Does NSN 4470-00-057-9050 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 4470-00-057-9050?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Jun 10, 1967