Model: HL249-8-20

Pin-rivet

Properties:

Thread Class

Thread Direction

Right-hand

Fastener Length

Between 1.635 inches and 1.655 inches

Head Style

Flush countersunk

Width Between Flats

Between 0.0947 inches and 0.0967 inches

Shank Diameter

Between 0.2646 inches and 0.2651 inches

Shank Style

Pin-rivet, straight, threaded

Head Major Diameter

Between 0.5018 inches and 0.5066 inches

Lubrication

Cetyl alcohol, specification 305, hi-shear corp

End Application

Aircraft, thunderbolt ii, a-10

Grip Length

Between 1.245 inches and 1.255 inches

Thready Qty Per Inch (tpi)

Min. Tensile Strength (psi)

160000 pounds per square inch

Thread Size

0.250 inches

Shear Strength

95000 single pounds per square inch

Countersink Angle

100.0 degrees

Material

Iron alloy 660

Material Specification

Ams5737 assn standard 1st material response or ams5731 assn standard 2nd material response

Surface Treatment

Passivate

Thread Series Designator

Unjf

NSN

5320-01-484-2491

Part Number

HL249-8-20

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 HL249-8-20 NSN 5320-01-484-2491

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:

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