Model: 55A83B9

Setscrew

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

0.551 inches

Fastener Length

0.656 inches

Head Style

Flat countersunk

Head Diameter

Between 0.447 inches and 0.507 inches

Point Length

0.293 inches

Point Diameter

0.196 inches

Point Style

Dog

Internal Drive Style

Cross recess type 1

Thread Diameter

0.250 inches

Thready Qty Per Inch (tpi)

Min. Tensile Strength (psi)

125000 pounds per square inch

Hardness Rating

26.0 rockwell c and 36.0 rockwell c

Countersink Angle

100.0 degrees

Material

Steel comp 8630

Material Specification

Mil-s-6050 military specification single material response or an-s-9 assn standard single material response

Surface Treatment

Cadmium

Thread Series Designator

Unf

NSN

5305-00-531-9643

Part Number

55A83B9

Description

Setscrew

CAGE

10001

An externally threaded device whose threaded portion is of one nominal diameter with or without a head and having a cup, cone, or other type of machined point designed to prevent or restrict relative movement of parts and designed to be driven with either a wrench or inserted driver. A locking feature may be incorporated in the design of the head or threads.

Part 55A83B9 NSN 5305-00-531-9643

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

06672

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:

0.1000lbs

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:

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