Model: 581A0001

Check Ball

Properties:

Spherical Diameter

0.250 inches

Valve Design Control Activity

23587

Material

Stainless steel

NSN

4820-01-408-7348

Part Number

581A0001

Description

Ball,check

CAGE

U2692

A spherical shaped device that may be of solid or hollow construction. It is designed to seat in an opening thereby preventing the passage of fluid. It may be used with a spring enabling the ball to become unseated at a predetermined pressure as exerted by the fluid flow and to become reseated in the absence of fluid pressure. For valve balls that include ports see ball, valve, ported.

Part 581A0001 NSN 4820-01-408-7348

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

40243

FIIG:

A517W0

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:

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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