Model: 1611203-9

Socket Head Cap Screw

Properties:

Thread Class

Thread Direction

Right-hand

Fastener Length

0.500 inches

Head Style

Flat countersunk

Head Diameter

0.531 inches

Locking Feature

Patch locking feature

Internal Drive Style

Hexagon

Thread Diameter

0.250 inches

Thready Qty Per Inch (tpi)

Countersink Angle

82.0 degrees

Part Name Assigned By Controlling Agency

Screw, socket, flathead, self-locking

Material

Steel

Material Specification

Ff-s-86, ty iv federal specification single material response

Surface Treatment

Zinc

Surface Treatment Specification

Qq-z-325, ty ii, cl 3 federal specification single treatment response

Thread Series Designator

Unc

NSN

5305-01-597-1640

Part Number

1611203-9

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 1611203-9 NSN 5305-01-597-1640

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