Valve Seat

Model / MPN: 71553-78X2PC2 | NSN: 4820-00-435-0502

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.

Product Details

NATO Stock Number

4820-00-435-0502

Sold in multiples of

1 EA

DEMIL

DEMIL/MLI

Overall Height

1.750 inches

Body Outside Diameter

Between 18.948 inches and 18.958 inches

Body Inside Diameter

Between 14.809 inches and 14.817 inches

Seat Angle In Deg

30.000

Seating Surface Shape

Angular

Criticality Code Justification

Zzzy

Material

Plastic

Material Specification

Mc903 mfr ref single material response

Style Designator

Plain

Reference Number Differentiating Characteristics

Item that supports a level 1 or subsafe critical system that has undergone quality assurance during the acquisition process

71553 Series Parts

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.

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ISO 9001:2015 + AS9120B
Counterfeit Parts Prevention
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71553-78X2PC2 Cross Reference

SSN671-515-2047286PC2
256-6603687-VHBM-6
803-5959304-X-03
71553-78X2PC2Q3
SSN671-515-2047286PC2Q3
256-6603687-VHBM-6
256-6603687-VHBM-6Q3
803-5959304 ITEM3Q3
803-5959304-X-3Q3