Model: B1831BH120140L

Socket Head Cap Screw

Properties:

Thread Direction

Right-hand

Thread Length

Between 36.0 millimeters and 44.8 millimeters

Fastener Length

140.0 millimeters

Head Style

Flat chamfer

Head Diameter

Between 17.6 millimeters and 18.0 millimeters

Head Height

Between 11.7 millimeters and 12.0 millimeters

Locking Feature

Pellet or strip or patch threads

Internal Drive Style

Hexagon

End Application

Engine, diesel

Thread Diameter

12.0 millimeters

Width Across Flats

10.0 millimeters

Thread Pitch In Millimeters

1.75

External Thread Tolerance Class

4g6g

Part Name Assigned By Controlling Agency

Screw cap hexagon socket head (metric)

Material

Steel property class 12.9

Thread Series Designator

Iso m

NSN

5305-01-646-1699

Part Number

B1831BH120140L

Description

Screw,cap,socket Head

CAGE

80204

An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See bolt, internal wrenching. Excludes screw, shoulder; and screw, machine.

Part B1831BH120140L NSN 5305-01-646-1699

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

16282

FIIG:

A003B0

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:

096640

UFC:

50600

LTL:

70.0

LCL:

WCC:

713

TCC:

SHC:

ACC:

Construction Materials

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Schedule B and Export

Schedule B: 7318152000
SITC: 69421
End Use: Iron and steel products, other
NAICS: 332722
USDA: 1

Freight Class: Bolts and bolts and their nuts or washers exported in the same shipment