Model: C20520

Pin-rivet

Properties:

Thread Class

Thread Direction

Right-hand

Head Style

Flush countersunk

Shank Diameter

Between 0.279 inches and 0.280 inches

Shank Style

Pin-rivet, tapered, threaded

Head Major Diameter

Between 0.421 inches and 0.426 inches

Tip Diameter

Between 0.241 inches and 0.244 inches

Grip Length

0.625 inches

Thready Qty Per Inch (tpi)

Hardness Rating

50.0 rockwell c and 55.0 rockwell c

Thread Size

0.250 inches

Countersink Angle

Between 99.0 degrees and 101.0 degrees

Part Name Assigned By Controlling Agency

Shear threaded pin

Material

Steel comp h11

Material Specification

Ams 6485 assn standard single material response

Surface Treatment

Cadmium or nickel and cadmium

Surface Treatment Specification

Mil-c-8837, ty ii, cl 2 military specification 1st treatment response or ams 2416 assn standard 2nd treatment response

Thread Series Designator

Unjf

NSN

5320-01-524-9944

Part Number

C20520

Description

Pin-rivet

CAGE

81755

A metallic or nonmetallic item, headed at one end, with a cylindrically shaped shank which may be tapered, grooved, or threaded. a locking collar or sleeve may be provided to perform the same holding action as the clinching portion of a conventional rivet. the shank may include an external wrenching facility which breaks off at a predetermined applied torque.

Part C20520 NSN 5320-01-524-9944

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

67165

FIIG:

A528U0

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: 7318230000
SITC: 69422
End Use: Finished metal shapes
NAICS: 332722
USDA: 1

Freight Class: Rivets of iron or steel