Model: 2660129-6

Check Valve

Special Features:

The end connection identified above as the second end is the valve inlet

Properties:

Thread Class

3a 2nd end

Thread Class

3a 1st end

Thread Direction

Right-hand 2nd end

Thread Direction

Right-hand 1st end

Flow Control Device

Poppet

Maximum Operating Temp

275.0 degrees fahrenheit single response

Connection Style

External seat for gasket seal (boss) 1st end

Connection Style

External seat for gasket seal (boss) 2nd end

Valve Operation Method

Automatic

Connection Type

Threaded external boss 1st end

Connection Type

Threaded external boss 2nd end

Mounting Position

Horizontal

Maximum Operating Pressure

3000.0 pounds per square inch single response

Thread Size

0.562 inches 2nd end

Thread Size

0.750 inches 1st end

Outside Diameter Tube Accommodated

0.375 inches 2nd end

Outside Diameter Tube Accommodated

0.500 inches 1st end

Material

Steel comp 303 body

Material

Steel comp 303 seat

Material Specification

Qq-s-764, type 303-canceled federal specification single material response body

Material Specification

Qq-s-764, type 303-canceled federal specification single material response seat

Media For Which Designed

Hydraulic fluid, petroleum base single response

Surface Treatment

Passivate

Surface Treatment Specification

Mil-s-5002 military specification single treatment response

Style Designator

Straight thru

Thread Series Designator

Unjf 2nd end

Thread Series Designator

Unjf 1st end

NSN

4820-00-167-3628

Part Number

2660129-6

Description

Valve,check

CAGE

92003

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 2660129-6 NSN 4820-00-167-3628

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:

Packaging & Shipping

Est. Pack Size

Est. Pack Weight

Est. Item Weight

Est. Item Dim.

Pack Size:

Paclk Weight:

0.2000lbs

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:

576

TCC:

SHC:

ACC:

Construction Materials

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Schedule B and Export

Schedule B: 8481302090
SITC: 74730
End Use: Industrial machines, other
NAICS: 332911
USDA: 1

Freight Class: Check valves of steel