Model: ST1571-05

Plate Self-locking Nut

Properties:

Thread Class

Thread Direction

Right-hand

Locking Feature

Prevailing torque all metal design

Counterbore Diameter

0.312 inches first end

Mounting Hole Diameter

Between 0.098 inches and 0.103 inches

Nut Style

Plate

Nut Length

1.306 inches

Nut Height

0.281 inches

Plate Thickness

Between 0.020 inches and 0.030 inches

Plate Width

0.531 inches

Mounting Hole Arrangement Style

2 holes

Distance From Aperture Center To Mounting Hole Center

Between 0.495 inches and 0.505 inches

Center To Center Distance Between Mounting Holes Along Length

Between 0.310 inches and 0.314 inches

Tempurature Rating

Between 785.0 degrees fahrenheit and 815.0 degrees fahrenheit

Thread Series

Unjf

Thready Qty Per Inch (tpi)

Thread Size

0.250 inches

Material

Iron alloy 660 nut

Material

Iron alloy 660 shell

Material Specification

Ams5525 assn standard single material response nut or ams5735 assn standard single material response nut

Material Specification

Ams5525 assn standard single material response shell

Surface Treatment

Passivate shell

Surface Treatment Specification

Qq-p-35 federal specification single treatment response shell

NSN

5310-01-388-7011

Part Number

ST1571-05

Description

Nut,self-locking,plate

CAGE

77445

A nut with a flanged base of varied shapes which may be plain or mounted by rivets, bolts, welding or integral prongs. An integral feature is incorporated for locking on the threads of a mating member.

Part ST1571-05 NSN 5310-01-388-7011

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

05280

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:

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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