Valve Seat

NSN: 4820-01-538-2868 | Model: 012.500.0010

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

4820-01-538-2868

DEMIL

Overall Height

0.625 inches

Body Outside Diameter

4.938 inches

Body Inside Diameter

4.000 inches

End Application

4820-01-538-2850, relief valve; w/s cvn nr boundary area

Seating Surface Shape

Flat

Part Name Assigned By Controlling Agency

Seat ring

Special Features

Threaded portion height is .500-14; lugs to be machined out after assembly

Material

Nickel alloy

Material Specification

Qq-n-286 federal specification single material response

Style Designator

Plain

Parts List for Safety Relief Valve

Other components in the assembly of NSN 4820-01-538-2850

Valve Seat
NSN 4820-01-538-2868

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 4820-01-538-2868 Datasheet

Supply Class (FSC):

Nonpowered Valves

Cross Reference:

012.500.0010
NMP-611 PC19
NMP-611

Cage Codes:

Pentair Valves & Controls Us Lp (CAGE 15187)

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

A - Item does not contain precious metal.

ADPE

- Represents items with no adp components

CRITL

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

Freight Information:

NMFC:

051080 - Faucets, bibcocks, gates valves
WCC:

736 - Plumbing supplies
SHC:

9 - Other or no special handling required (sh)
ADC:

A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.
ACC:

E - Engineer supplies, other than those listed under code b.
LTL:

W - Rating variable
TCC:

Z - No special type of cargo code applicable

NSN Management Codes:

SOS
Sms
AAC
Z
Quantity per pack
1
Unit of Measure
Ea
Shelf Life
N/A
Classification Control
U
MGMT_CTL
9b-----
Repariability

Questions & Answers:
What are the historical prices recorded for this stock number?
Historical data shows pricing from $4,433.93 to $7,389.88..
Does NSN 4820-01-538-2868 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Department Of The Navy
What is the NIIN of NSN 4820-01-538-2868?
015382868 or 01-538-2868
Does NSN 4820-01-538-2868 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 4820-01-538-2868?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Mar 16, 2006