Model: 12Z51PC206

Socket Head Cap Screw

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

3.500 inches

Fastener Length

3.500 inches

Head Style

Flat chamfer

Head Diameter

Between 1.733 inches and 1.750 inches

Head Height

Between 1.238 inches and 1.250 inches

Internal Drive Style

Hexagon

Thread Diameter

0.250 inches

Width Across Flats

Between 0.750 inches and 0.757 inches

Thready Qty Per Inch (tpi)

Hardness Rating

38.0 rockwell c and 45.0 rockwell c

Minimum Yield Strength

150000 pounds per square inch

Material

Steel

Thread Series Designator

Unc

Nondefinitive Specification/std Data

6 type

Departure From Cited Document

As modified by thread class

NSN

5305-00-273-4727

Part Number

12Z51PC206

Description

Screw,cap,socket Head

CAGE

10001

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 12Z51PC206 NSN 5305-00-273-4727

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:

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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