Model: 3964

Valve Seat

Special Features:

Nha valve temp release

Properties:

Thread Class

3a single threaded portion

Flange Diameter

1.500 inches

Body Inside Diameter

Between 0.937 inches and 0.938 inches

End Application

W/s nimitz class cvn

Seat Radius

0.625 inches

Flange Seat To Disk End Height

0.375 inches

Under Flange Height

0.093 inches

Thread Size

1.250 inches single threaded portion

Seating Surface Shape

Radial

Material

Copper alloy 464 seat

Material Specification

Qq-b-639 federal standard single material response seat

Style Designator

Threaded flanged

Thread Series Designator

Unef single threaded portion

Specification Data

75545-qq-b639 government standard

NSN

4820-01-469-7578

Part Number

3964

Description

Seat,valve

CAGE

75545

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 3964 NSN 4820-01-469-7578

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:

Packaging & Shipping

Est. Pack Size

Est. Pack Weight

Est. Item Weight

Est. Item Dim.

Pack Size:

Paclk Weight:

Item Weight:

Item Dim:

OPI

SPI No.

SPI Rev.

SPC Mkg.

LVL A

LVL B

OPI:

SPI No.:

SPI Rev.:

SPC Mkg:

LVL_A:

LVL_B:

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