Model: BK183A1371

Valve Seat

Properties:

Flange Diameter

Between 4.309 inches and 4.315 inches

Body Outside Diameter

Between 3.118 inches and 3.121 inches

Body Inside Diameter

Between 2.000 inches and 2.002 inches

Flange Seat To Disk End Height

0.469 inches

Under Flange Height

0.812 inches

Seat Angle In Deg

45.000

Seating Surface Shape

Angular

Material

Steel

Material Specification

Fed standard 66, aisi 416/sae 51416 federal standard single material response

Style Designator

Plain flanged

NSN

4820-00-057-2106

Part Number

BK183A1371

Description

Seat,valve

CAGE

0BR59

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.

Part BK183A1371 NSN 4820-00-057-2106

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

22113

FIIG:

A15500

Concept No.:

App. Key:

Cond. Code:

Status:

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators

HMIC

PMIC

ESD/EMI

ENAC

MMAC

CRITL

HMIC:

PMIC:

ESD:

MMAC:

CRITL:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

051080

UFC:

29300

LTL:

RATING VARIABLE

LCL:

WCC:

594

TCC:

SHC:

ACC:

Trailers/Vehicles

Pricing & Availability Check

Submit this form for stock availability and pricing.

How to Order

Ordering from buyaircraftparts.com

If you would like to order this valve seat (NSN 4820-00-057-2106) please submit the pricing and availability form above to receive an up to date quote by email. If you agree to the pricing and terms you can e-sign your order online!

We are pleased to have the opportunity to serve you.

Have a Question

Hours:	08:00-18:00 Eastern Standard Time
Phone:	+1 470-231-0824
Email:	Contact Form »

Schedule B and Export

Schedule B: 8481909090
SITC: 74790
End Use: Industrial machines, other
NAICS: 332911
USDA: 1

Freight Class: Parts of taps, cocks, valves and similar appliances, nesoi