Model: NKN334CPA12

Socket Head Cap Screw

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

0.469 inches

Fastener Length

1.281 inches

Head Style

Flat countersunk

Head Diameter

Between 0.497 inches and 0.507 inches

Locking Feature

Pellet threads

Shank Unthreaded Hole Diameter

0.076 inches first hole

Internal Drive Style

Cross recess type 1

Thread Diameter

0.250 inches

Thready Qty Per Inch (tpi)

Min. Tensile Strength (psi)

160000 pounds per square inch

Hardness Rating

36.0 rockwell c and 40.0 rockwell c

Countersink Angle

100.0 degrees

Distance From Head Largest Bearing Surface To Shank Hole Center

1.124 inches first hole

Part Name Assigned By Controlling Agency

Navy special project

Material

Steel

Surface Treatment

Cadmium

Thread Series Designator

Unf

NSN

5305-00-944-7551

Part Number

NKN334CPA12

Description

Screw,cap,socket Head

CAGE

26233

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 NKN334CPA12 NSN 5305-00-944-7551

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