Model: B1831BH120120N

Socket Head Cap Screw

Properties:

Thread Direction

Right-hand

Thread Length

45.0 millimeters

Fastener Length

120.0 millimeters

Head Style

Flat chamfer

Head Diameter

Between 17.63 millimeters and 18.00 millimeters

Head Height

Between 11.79 millimeters and 12.00 millimeters

Internal Drive Style

Hexagon

End Application

Interim armored vehicle (iav), contractor logistics support (cls)

Thread Diameter

12.0 millimeters

Width Across Flats

10.0 millimeters

Thread Pitch In Millimeters

1.75

External Thread Tolerance Class

4g6g

Material

Steel property class 12.9

Material Specification

Astm a574m assn standard single material response

Surface Treatment Specification

Astm b633, type 2 assn standard single treatment response

Thread Series Designator

Iso m

NSN

5305-01-494-9725

Part Number

B1831BH120120N

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 B1831BH120120N NSN 5305-01-494-9725

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:

093486

UFC:

48950

LTL:

RATING VARIABLE

LCL:

WCC:

713

TCC:

SHC:

ACC:

Trailers/Vehicles

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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