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FSC 4730 | Railing Fittings Lubrication Tube Pipe Hose
4A-1237

Model: 4A-1237

Tube To Boss Elbow

Properties:

Thread Class

2a 1st end

Connection Style

Double threaded section w/ gasket and locknut sealing (boss) 2nd end

Connection Style

Flared (tube) 1st end

Leg Length

1.250 inches 1st end

Leg Length

1.375 inches 2nd end

Connection Type

Threaded external boss 2nd end

Connection Type

Threaded external tube 1st end

Thread Size

18.0 millimeters 2nd end

Thread Size

0.750 inches 1st end

Thread Pitch In Millimeters

1.0 2nd end

Seat Angle

37.0 degrees 1st end

Flow Angle

90.0 degrees

Thread Tolerance Class

6h external 2nd end

Outside Diameter Tube Accommodated

0.500 inches 1st end

Material

Steel

Thread Series Designator

Iso m 2nd end

Thread Series Designator

Unf 1st end

Furnished Items And Quantity

1 locknut and 1 preformed packing

NSN

4730-00-621-8431

Part Number

4A-1237

Description

Elbow,tube To Boss

CAGE

14541

A fitting that forms an angle of less that 180 degrees (3.141 radians) from a straight flow. One connecting end has machine threads (straight threads other than pipe or hose series) designed to accommodate a tube or is unthreaded and designed to accommodate a tube. The other end has external or internal machine threads (straight threads other than pipe or hose series) and is designed to facilitate a gasket, preformed packing, washer, or the like, to form a seal at the boss. It may have side or heel inlet(s). It is designed to connect a tube or tube fitting to a boss or boss fitting on items such as tanks, housings, valve fittings, or the like.

Part 4A-1237 NSN 4730-00-621-8431

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

22679

FIIG:

A080B0

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:

052190

UFC:

30000

LTL:

RATING VARIABLE

LCL:

WCC:

576

TCC:

SHC:

ACC:

Construction Materials

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Schedule B and Export

Schedule B: 7307929000
SITC: 67959
End Use: Iron and steel products, other
NAICS: 332919
USDA: 1

Freight Class: Threaded elbows and bends of iron or steel (other than cast iron or stainless steel) for pipes and tubes