Model: HL557-12-20

Pin-rivet

Properties:

Thread Class
3a
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)
24
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:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
U
ESD:
ESD:
MMAC:
CRITL:
X

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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

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