Model: 3B5121

Setscrew

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

0.312 inches

Fastener Length

0.562 inches

Head Style

Headless (setscrew)

Point Length

0.250 inches

Point Style

Flat

Internal Drive Style

Hexagon

Thread Diameter

0.438 inches

Width Across Flats

0.219 inches

Thready Qty Per Inch (tpi)

Point Chamfer Angle

30.0 degrees

Material

Steel

Surface Treatment

Oxide

Thread Series Designator

Unf

NSN

5305-00-363-6531

Part Number

3B5121

Description

Setscrew

CAGE

11083

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 3B5121 NSN 5305-00-363-6531

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:

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:

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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