Model: BB3956

Setscrew

Special Features:

Nonstandard point tapered 1 to 50 on dia

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

0.255 inches

Fastener Length

0.531 inches

Head Style

Hexagon

Head Height

0.125 inches

Width Between Flats

0.188 inches

Point Length

Between 0.264 inches and 0.276 inches

Point Diameter

Between 0.133 inches and 0.134 inches

Point Style

Cone

Internal Drive Style

W/o internal drive

Thread Diameter

0.190 inches

Thready Qty Per Inch (tpi)

Hardness Rating

45.0 rockwell c

Point Chamfer Angle

120.0 degrees

Material

Steel comp 4140

Material Specification

Sae assn standard single material response

Thread Series Designator

Unf

NSN

5305-00-272-6223

Part Number

BB3956

Description

Setscrew

CAGE

56442

An externally threaded device whose threaded portion is of one nominal diameter with or without a head and having a cup, cone, or other type of machined point designed to prevent or restrict relative movement of parts and designed to be driven with either a wrench or inserted driver. A locking feature may be incorporated in the design of the head or threads.

Part BB3956 NSN 5305-00-272-6223

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

06672

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:

Packaging & Shipping

Est. Pack Size

Est. Pack Weight

Est. Item Weight

Est. Item Dim.

Pack Size:

Paclk Weight:

0.1000lbs

Item Weight:

Item Dim:

OPI

SPI No.

SPI Rev.

SPC Mkg.

LVL A

LVL B

OPI:

SPI No.:

SPI Rev.:

SPC Mkg:

LVL_A:

LVL_B:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

093486

UFC:

48950

LTL:

RATING VARIABLE

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