Model: 622389

Socket Head Cap Screw

Special Features:

Self-locking feature achieved by 4 non-symmetrical threads-used with a heat treated alloy steel washer

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

0.625 inches

Fastener Length

Between 0.810 inches and 0.815 inches

Head Style

Pan no. 2

Head Diameter

Between 0.303 inches and 0.312 inches

Head Height

Between 0.185 inches and 0.190 inches

Locking Feature

Distortions threads

Internal Drive Style

Hexagon

Thread Diameter

0.190 inches

Width Across Flats

Between 0.156 inches and 0.158 inches

Thready Qty Per Inch (tpi)

Hardness Rating

38.0 rockwell c and 45.0 rockwell c

Material

Steel

Surface Treatment

Cadmium

Surface Treatment Specification

Qq-p-416, type ii, class 3 federal specification 1st treatment response

Thread Series Designator

Unc

NSN

5305-01-176-2617

Part Number

622389

Description

Screw,cap,socket Head

CAGE

62983

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 622389 NSN 5305-01-176-2617

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:

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:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

093486

UFC:

48950

LTL:

RATING VARIABLE

LCL:

WCC:

573

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