Model: 3157-348

Spacing Threaded Standoff

Special Features:

0.093 in. Hole through shoulder

Properties:

Thread Class

2b left internal (includes through thread)2a right external

Thread Direction

Right-hand left internal (includes through thread)

Thread Direction

Right-hand right external

Flange Diameter

0.250 inches

Flange Thickness

Between 2.701 inches and 2.706 inches

Length

3.125 inches

Thready Qty Per Inch (tpi)

40 left internal (includes through thread)

Thready Qty Per Inch (tpi)

40 right external

Thread Size

0.112 inches right external

Thread Size

0.112 inches left internal (includes through thread)

Material

Steel comp 303 standoff

Material Specification

Astm a582 assn standard single material response standoff

Surface Treatment

Passivate standoff

Style Designator

Flanged with left internal thread

Thread Series Designator

Unc left internal (includes through thread)

Thread Series Designator

Unc right external

NSN

5340-00-986-1288

Part Number

3157-348

Description

Standoff,threaded,spacing

CAGE

90073

Part 3157-348 NSN 5340-00-986-1288

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

40280

FIIG:

A08900

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:

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