Valve Seat

NSN: 4820-00-040-0429 | Model: 8344652

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

4820-00-040-0429

DEMIL

Flange Diameter

Between 0.621 inches and 0.623 inches

Body Outside Diameter

Between 0.621 inches and 0.623 inches

Body Inside Diameter

0.313 inches

Flange Seat To Disk End Height

0.094 inches

Under Flange Height

0.218 inches

Seat Angle In Deg

45.000

Seating Surface Shape

Angular

Material

Stainless steel

Style Designator

Plain 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 4820-00-040-0429 Datasheet

Supply Class (FSC):

Nonpowered Valves

Cross Reference:

8344652
8344652

Cage Codes:

Pneumatics Inc Applied Hydro (CAGE 51346)
U S Army Tank Automotive Command (CAGE 19207)

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.

Questions & Answers:
What are the historical prices recorded for this stock number?
No pre-dated pricing for this NSN could be found.
Does NSN 4820-00-040-0429 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Austria, Spain, Republic Of Korea, and Greece
What is the NIIN of NSN 4820-00-040-0429?
000400429 or 00-040-0429
Does NSN 4820-00-040-0429 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 4820-00-040-0429?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Jan 01, 1963