Model: MIL-T-6845

Metallic Tube

Special Features:

Aerospace vehicle hydraulic systems

Properties:

Cross Sectional Shape

Plain round

Wall Thickness

0.016 inches

First End Style

Plain

Diameter

0.312 inches

Maximum Operating Temp

800.0 degrees fahrenheit

Second End Relationship With First End

Identical

Construction

Seamless

Maximum Operating Pressure

3000.0 pounds per square inch

Surface Condition And Location

Outside polished

Measuring Method And Length

144.000 inches random and 240.000 inches random

Heat Treatment

Cold drawn 1/8 hard condition

Material

Steel comp 1045

Surface Treatment

Passivate

Specification Data

81349-mil-t-6845 government specification

Nondefinitive Specification/std Data

1 type

NSN

4710-00-803-2566

Part Number

MIL-T-6845

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-6845 NSN 4710-00-803-2566

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:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

052190

UFC:

30000

LTL:

RATING VARIABLE

LCL:

50.0

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