Model: 220423-4

Socket Head Cap Screw

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

Between 1.172 inches and 1.266 inches

Fastener Length

Between 1.234 inches and 1.266 inches

Head Style

Fillister

Head Diameter

Between 0.208 inches and 0.226 inches

Head Height

Between 0.086 inches and 0.096 inches

Locking Feature

Pellet threads

Internal Drive Style

Cross recess type ii

Thread Diameter

0.138 inches

Thready Qty Per Inch (tpi)

Part Name Assigned By Controlling Agency

Navy special project

Material

Stainless steel

Material Specification

16-18 or 18-8, fscm 70318 mfr ref single material response

Surface Treatment

Oxide

Surface Treatment Specification

Mil-c-13924, cl 4 military specification single treatment response

Thread Series Designator

Unc

NSN

5305-01-045-4212

Part Number

220423-4

Description

Screw,cap,socket Head

CAGE

99479

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 220423-4 NSN 5305-01-045-4212

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