2158-73

Tube To Boss Straight Adapter

NSN 4730-00-056-1344

DEMIL

Shelf Life

UOM

NIIN

Demil:

Shelf Life:

UOM:

NIIN:

000561344

Product Technical Spec.

Thread Class:

2b 1st end

Thread Class:

3a 2nd end

Connection Style:

External seat for gasket seal (boss) 2nd end

Connection Style:

Flared (tube) 1st end

Connection Type:

Threaded external boss 2nd end

Connection Type:

Threaded internal tube 1st end

Thready Qty Per Inch (tpi):

32 2nd end

Thread Size:

0.500 inches 2nd end

Thread Size:

0.625 inches 1st end

Seat Angle:

45.0 degrees 1st end

Outside Diameter Tube Accommodated:

0.625 inches 1st end

Reduced Passage Inside Diameter:

0.250 inches 2nd end

Nominallength:

0.713 inches

Material:

Aluminum alloy

Material Specification:

Qq-a-325 federal specification single material response

Surface Treatment:

Anodize

Surface Treatment Specification:

Mil-a-8625 military specification single treatment response

Thread Series Designator:

Un 2nd end

Thread Series Designator:

Unef 1st end

Fsc Application Data:

Valve, regulating p-n 4158&00

NSN:

4730-00-056-1344

Item Name:

Vent And Drain Assembly

Cage Code:

09445

Cross Referenced Parts

No other part numbers with same form, fit, and function found.

Part Identification

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

22675

FIIG:

A080B0

Concept No.:

App. Key:

Cond. Code:

Status:

Part Materials

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:

013120

UFC:

05380

LTL:

100.0

LCL:

WCC:

576

TCC:

SHC:

ACC:

Equipment for Aircraft

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Pricing & Availability

Submit this form for current pricing and availability quote on part number 2158-73 and/or cross reference parts.

Definition Definition of approved item name (AIN): "Vent And Drain Assembly"

An adapter having machine threads (straight threads other than pipe or hose series) designed to accommodate a tube on one end or an unthreaded end 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 is designed to join a tube or tube fitting to a boss or boss fitting in a straight line on items such as tanks, housings, valve fittings, and the like. See also coupling, tube and nipple, tube.