Model: 856A4057P04

Headless Shoulder Pin

Special Features:

Threads are on the second step and groove is located on the third step

Properties:

First End Style

Chamfered

Second End Style

Oval

Thread Class

Thread Direction

Right-hand

Thread Length

1.690 inches

First Step Diameter

Between 0.373 inches and 0.374 inches

First Step Length

0.620 inches

Second Step Diameter

0.3125 inches

Second Step Length

1.690 inches

Third Step Diameter

Between 0.214 inches and 0.224 inches

Third Step Length

0.440 inches

Hole Arrangement Style

One end drilled

First Hole Diameter

Between 0.1247 inches and 0.1250 inches

Distance From Centerline Of Hole To End Of Pin

0.190 inches

First End Taper Length

0.060 inches

Second End Relationship With First End

Not identical

Hardness Rating

38.0 rockwell c and 42.0 rockwell c

Thread Size

0.312 inches

First End Location

Opposite grooved end

Second End Outer Radius

Between 0.151 inches and 0.161 inches

Material

Steel comp 4130 or steel comp 4142

Style Designator

Shoulder

Thread Series Designator

Unc

NSN

5315-01-390-1166

Part Number

856A4057P04

Description

Pin,shoulder,headless

CAGE

66464

Part 856A4057P04 NSN 5315-01-390-1166

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:

095190

UFC:

49790

LTL:

RATING VARIABLE

LCL:

WCC:

713

TCC:

SHC:

ACC:

Construction Materials

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