Model: 18-12390-1

Headless Shoulder Pin

Special Features:

Parallel flattened surfaces along length, 0.300 to 0.310 in. Across flats, centered 1.100 in. From threaded end

Properties:

First End Style

Chamfered

Second End Style

Square

Thread Class

Thread Direction

Right-hand

Thread Length

0.390 inches

Shank Length

Between 0.460 inches and 0.540 inches

Shoulder Diameter

Between 0.431 inches and 0.433 inches

Shank Diameter

0.250 inches

Overall Length

Between 2.360 inches and 2.440 inches

First End Taper Length

0.500 inches

Second End Relationship With First End

Not identical

Thread Size

0.250 inches

First End Location

Chamfered end

First End Taper Angle

15.0 degrees

First End Tip Radius

0.093 inches

Surface Finish

125.000 microinches

Material

Steel

Material Specification

Ams 5643 assn standard single material response

Style Designator

Shoulder

Thread Series Designator

Unjf

NSN

5315-01-021-9320

Part Number

18-12390-1

Description

Pin,shoulder,headless

CAGE

0JRC1

Part 18-12390-1 NSN 5315-01-021-9320

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:

105000

UFC:

54080

LTL:

70.0

LCL:

70.0

WCC:

576

TCC:

SHC:

ACC:

Construction Materials

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