Model: C520-624-3

Blind Rivet Self-locking Nut

Properties:

Thread Class
3b
Thread Direction
Right-hand
Head Style
Eliptical countersunk
Head Height
0.048 inches
Locking Feature
Prevailing torque all metal design
Head Major Diameter
Between 0.621 inches and 0.625 inches
Head Minor Diameter
Between 0.524 inches and 0.528 inches
Nut Style
Blind rivet w/smooth round shank
Nut Diameter
Between 0.380 inches and 0.383 inches
Nut Length
Between 0.727 inches and 0.817 inches
Shank End Type
Open
Tempurature Rating
450.0 degrees fahrenheit
Thread Series
Unf
Thready Qty Per Inch (tpi)
24
Thread Size
0.375 inches
Head Major Countersink Angle
Between 75.45 degrees and 76.15 degrees
Head Minor Countersink Angle
Between 59.45 degrees and 60.15 degrees
Material
Steel comp 304 or steel comp 305
Material Specification
Qq-s-763, cl 304 federal specification 1st material response or qq-s-763, cl 305, cond a federal specification 2nd material response
Surface Treatment
Passivate
NSN
5310-00-241-6831
Part Number
C520-624-3
Description
Nut,self-locking,blind Rivet
CAGE
81755

A metallic headed fastener having internal threads for a portion of the full length. It may have a smooth, hexagon or splined shank with an open or closed end. It is designed to be expanded tightly against the material it is being installed in by means of a special tool. The item must have a specified grip range. The grip range is the thickness of the material the item is being installed in. An integral feature is incorporated for locking on the threads of a mating member.

Part C520-624-3 NSN 5310-00-241-6831

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
29724
FIIG:
A021A0
Concept No.:
1
App. Key:
BJ
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

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
093486
UFC:
48950
LTL:
RATING VARIABLE
LCL:
50.0
WCC:
573
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 7318160000
  • SITC: 69421
  • End Use: Finished metal shapes
  • NAICS: 332722
  • USDA: 1

Freight Class: Nuts of iron or steel

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