Model: HL557-12-20

Pin-rivet

Properties:

Thread Class

Thread Direction

Right-hand

Identification Code Color

Bronze

Fastener Length

Between 1.840 inches and 1.860 inches

Head Style

Flush countersunk

Width Between Flats

Between 0.1582 inches and 0.1617 inches

Shank Diameter

Between 0.3891 inches and 0.3901 inches

Shank Style

Pin-rivet, straight, threaded

Head Major Diameter

Between 0.5554 inches and 0.5604 inches

Lubrication

Cetyl alcohol, specification 305, hi-shear corp

Grip Length

1.250 inches

Thready Qty Per Inch (tpi)

Min. Tensile Strength (psi)

160000 pounds per square inch

Thread Size

0.375 inches

Shear Strength

95000 single pounds per square inch

Countersink Angle

100.0 degrees

Material

Steel comp e4340 or steel comp 4140 or steel comp 8740

Material Specification

Mil-s-5000 military specification 1st material response or mil-s-5626 military specification 2nd material response or mil-s-6049 military specification 3rd material response

Surface Treatment

Cadmium

Surface Treatment Specification

Qq-p-416 type 2 cl 2 federal specification single treatment response

Thread Series Designator

Unjf

NSN

5320-01-288-2871

Part Number

HL557-12-20

Description

Pin-rivet

CAGE

73197

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 HL557-12-20 NSN 5320-01-288-2871

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