Valve Seat

Model / MPN: 51188-J | NSN: 4820-01-231-9004

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

4820-01-231-9004

Sold in multiples of

1 EA

DEMIL

Thread Class

3a single threaded portion

Thread Length

0.375 inches single threaded portion

Overall Height

0.500 inches

Body Inside Diameter

2.0489 inches

Thready Qty Per Inch (tpi)

18 single threaded portion

Hardness Rating

Not rated

Thread Size

2.625 inches single threaded portion

Seating Surface Shape

Flat

Material

Nickel alloy

Material Specification

Astm-b-164 assn standard single material response or qq-n-288 federal specification single material response or qq-n-281 federal specification single material response

Style Designator

B5 plain threaded

Thread Series Designator

Uns single threaded portion

51188 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
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51188-J Cross Reference

803-4384536-84X-13
51177-J
803-4384536-84X-13
51177-J