Model: 20097-20F-80

Socket Head Cap Screw

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

3.125 inches

Fastener Length

5.000 inches

Head Style

Knurled no. 5

Head Diameter

Between 1.852 inches and 1.875 inches

Head Height

Between 1.236 inches and 1.250 inches

Internal Drive Style

Hexagon

Thread Diameter

1.250 inches

Width Across Flats

0.875 inches

Thready Qty Per Inch (tpi)

Min. Tensile Strength (psi)

170000 pounds per square inch

Hardness Rating

38.0 rockwell c and 43.0 rockwell c

Minimum Yield Strength

150000 pounds per square inch

Material

Steel uns k03104

Material Specification

Astm a574 assn standard single material response

Thread Series Designator

Unrf

NSN

5305-01-416-5225

Part Number

20097-20F-80

Description

Screw,cap,socket Head

CAGE

56878

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 20097-20F-80 NSN 5305-01-416-5225

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