Model: C520P428-3

Blind Rivet Self-locking Nut

Properties:

Thread Class

Thread Direction

Right-hand

Head Style

Eliptical countersunk

Head Height

0.040 inches

Locking Feature

Prevailing torque all metal design

Head Major Diameter

Between 0.436 inches and 0.440 inches

Head Minor Diameter

Between 0.370 inches and 0.374 inches

Nut Style

Blind rivet w/smooth round shank

Nut Diameter

Between 0.255 inches and 0.258 inches

Nut Length

Between 0.497 inches and 0.587 inches

Nut Grip Range

+0.160/+0.220 inches

Shank End Type

Open

Thread Series

Unf

Thready Qty Per Inch (tpi)

Thread Size

0.250 inches

Head Major Countersink Angle

76.0 degrees

Head Minor Countersink Angle

60.0 degrees

Material

Steel comp 304 or steel comp 305

Material Specification

Qq-s-763, cond a federal specification all material responses

Surface Treatment

Cadmium and chromate

Surface Treatment Specification

Qq-p-416, type 2, class 3 federal specification single treatment response

NSN

5310-00-912-6076

Part Number

C520P428-3

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 C520P428-3 NSN 5310-00-912-6076

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

29724

FIIG:

A021A0

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:

Packaging & Shipping

Est. Pack Size

Est. Pack Weight

Est. Item Weight

Est. Item Dim.

Pack Size:

Paclk Weight:

0.1000lbs

Item Weight:

Item Dim:

OPI

SPI No.

SPI Rev.

SPC Mkg.

LVL A

LVL B

OPI:

SPI No.:

SPI Rev.:

SPC Mkg:

LVL_A:

LVL_B:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

093486

UFC:

48950

LTL:

RATING VARIABLE

LCL:

WCC:

576

TCC:

SHC:

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