Model: MIL-T-20157

Metallic Tube

Properties:

Cross Sectional Shape

Plain round

Wall Thickness

0.120 inches

First End Style

Plain

Diameter

3.500 inches

Maximum Operating Temp

-775.0 degrees fahrenheit

Second End Relationship With First End

Identical

Construction

Seamless

Maximum Operating Pressure

300.0 pounds per square inch

Measuring Method And Length

144.000 inches random and 288.000 inches random

Material

Steel

Specification Data

81349-mil-t-20157 government specification

Nondefinitive Specification/std Data

B type

NSN

4710-00-277-7252

Part Number

MIL-T-20157

Description

Tube,metallic

CAGE

81349

A straight, hollow product, welded or seamless, of round, square, or any other cross section and continuous periphery, which does not conform in cross sectional dimensions to recognized pipe standards, or those in tables 1 through 10, appendix c, fiig a004a. It is designed to convey fluids, gasses, and/or semisolids. It may be rolled into coils for ease in handling. For items designed to join a tube or tube fitting to another tube, pipe, or hose or fitting, see adapter (as modified); coupling (as modified); or nipple (as modified). Excludes tube, bent (as modified); pipe, metallic; spacer, sleeve; metal bar (hollow); and items with fittings, except end protectors.

Part MIL-T-20157 NSN 4710-00-277-7252

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

31979

FIIG:

A004A0

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:

3.8000lbs

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:

052190

UFC:

30000

LTL:

RATING VARIABLE

LCL:

WCC:

576

TCC:

SHC:

ACC:

Construction Materials

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Schedule B and Export

Schedule B: 7304310000
SITC: 67914
End Use: Iron and steel products, other
NAICS: 331110
USDA: 1

Freight Class: Other tubes, pipes and hollow profiles, seamless, circular cross-section, iron or nonalloy steel, cold-drawn or cold-rolled