Model: 637503

Expansion Plug

Properties:

Radius

0.031 inches

Outside Diameter

Between 0.6255 inches and 0.6265 inches

Material Thickness

Between 0.027 inches and 0.035 inches

Smallest Diameter

Between 0.6155 inches and 0.6255 inches

Height

0.719 inches

Material

Steel

Style Designator

Trapped cup

NSN

5340-00-360-8143

Part Number

637503

Description

Plug,expansion

CAGE

34623

A relatively thin metallic item, having a concave or cupped contour, designed to effect its own seal by compression against the circumference of a hole. It is used as a blowout plug in boilers, engines, and the like to relieve the pressure created by the expansion of fluids caused by heat or freezing.

Part 637503 NSN 5340-00-360-8143

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

03797

FIIG:

A538V0

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:

093750

UFC:

49080

LTL:

RATING VARIABLE

LCL:

RATING VARIABLE

WCC:

713

TCC:

SHC:

ACC:

Construction Materials

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Schedule B and Export

Schedule B: 8402900090
SITC: 71191
End Use: Industrial machines, other
NAICS: 332410
USDA: 1

Freight Class: Parts for steam or other vapor generating boilers and super-heated water boilers, except heat exchangers