Model: 680-1/PL-5553

Check Valve

Properties:

Pipe Size Accommodated

0.250 inches 1st end

Flow Control Device

Disk

Disk Loading Method

Spring

Renewable Seat Ring Type

Pressed-in

Connection Style

Streamlined with two brazing ring (pipe) 1st end

Valve Operation Method

Automatic

Connection Type

Unthreaded internal pipe 1st end

Mounting Position

Horizontal

Maximum Operating Pressure

6000.0 pounds per square inch single response

Criticality Code Justification

Zzzy

Material

Copper alloy seat and rubber seat

Media For Which Designed

Water-oil-gas single response

Style Designator

Straight thru

Reference Number Differentiating Characteristics

Material will be in accordance with ships parts control center activity hx quality control, manufacturing and testing specifications

NSN

4820-00-153-0258

Part Number

680-1/PL-5553

Description

Valve,check

CAGE

99565

A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.

Part 680-1/PL-5553 NSN 4820-00-153-0258

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

05487

FIIG:

A530B0

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:

127220

UFC:

64490

LTL:

77.5

LCL:

77.5

WCC:

594

TCC:

SHC:

ACC:

Trailers/Vehicles

Pricing & Availability Check

Submit this form for stock availability and pricing.

How to Order

Ordering from buyaircraftparts.com

If you would like to order this check valve (NSN 4820-00-153-0258) please submit the pricing and availability form above to receive an up to date quote by email. If you agree to the pricing and terms you can e-sign your order online!

We are pleased to have the opportunity to serve you.

Have a Question

Hours:	08:00-18:00 Eastern Standard Time
Phone:	+1 470-231-0824
Email:	Contact Form »

Schedule B and Export

Schedule B: 8481301090
SITC: 74730
End Use: Industrial machines, other
NAICS: 332911
USDA: 1

Freight Class: Check valves of copper having a pressure rating of 850 kpa or over