Model: L-839C-6AK21

Pin-rivet

Properties:

Thread Class

Thread Direction

Right-hand

Fastener Length

1.6375 inches

Head Style

Flush countersunk

Hole Diameter

Between 0.104 inches and 0.119 inches

Shoulder Diameter

Between 0.1885 inches and 0.1895 inches

Shoulder Length

1.2695 inches

Shank Diameter

Between 0.181 inches and 0.184 inches

Head Major Diameter

Between 0.258 inches and 0.305 inches

Hole Depth

0.115 inches

Grip Length

1.3125 inches

Thready Qty Per Inch (tpi)

Thread Size

0.190 inches

Countersink Angle

Between 99.0 degrees and 101.0 degrees

Material

Iron alloy 660

Material Specification

Ams5731 assn standard single material response or ams5737 assn standard single material response

Surface Treatment

Aluminum

Surface Treatment Specification

Bms10-85, typ i mfr ref single treatment response

Thread Series Designator

Unjf

NSN

5320-01-238-7786

Part Number

L-839C-6AK21

Description

Pin-rivet

CAGE

06725

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 L-839C-6AK21 NSN 5320-01-238-7786

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:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

106510

UFC:

54760

LTL:

50.0

LCL:

50.0

WCC:

713

TCC:

SHC:

ACC:

Equipment for Aircraft

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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