Model: 140-31012-3

Headless Shoulder Pin

Properties:

First End Style

Chamfered

Second End Style

Oval

Thread Class

Thread Direction

Right-hand

Thread Length

0.563 inches

Shank Length

Between 0.782 inches and 0.813 inches

Shoulder Width Across Flats

0.750 inches

Shank Diameter

Between 0.3059 inches and 0.3125 inches

Overall Length

2.188 inches

First End Taper Length

0.031 inches

Second End Relationship With First End

Not identical

Thread Size

0.312 inches

Second Shank Diameter

Between 0.3059 inches and 0.3125 inches

First End Location

Threaded end

First End Taper Angle

45.0 degrees

Surface Finish

100.000 microinches

Second End Outer Radius

0.094 inches

Second Shank Length

Between 0.782 inches and 0.813 inches

Material

Steel comp 4130

Material Specification

Mil-s-6758 military specification single material response

Style Designator

Shoulder

Thread Series Designator

Unc

NSN

5315-00-327-2810

Part Number

140-31012-3

Description

Pin,shoulder,headless

CAGE

43999

Part 140-31012-3 NSN 5315-00-327-2810

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

16749

FIIG:

A212A0

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:

093486

UFC:

48950

LTL:

RATING VARIABLE

LCL:

WCC:

573

TCC:

SHC:

ACC:

Construction Materials

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