Model: 51177-J

Valve Seat

Properties:

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

NSN

4820-01-231-9004

Part Number

51177-J

Description

Seat,valve

CAGE

76364

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 51177-J NSN 4820-01-231-9004

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

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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