Model: ZP21551-2

Plate Self-locking Nut

Properties:

Thread Class

Thread Direction

Right-hand

Locking Feature

Prevailing torque all metal design

Lubrication

Dry film lubricant

Nut Style

Plate (floating)

Nut Length

0.572 inches

Nut Height

Between 0.220 inches and 0.270 inches

Plate Thickness

0.068 inches

Plate Width

0.390 inches

End Application

Lamps mark iii, sh-60b helicopter, control panel

Thread Series

Unjc

Thready Qty Per Inch (tpi)

Thread Size

0.190 inches

Part Name Assigned By Controlling Agency

Navy special project

Material

Steel comp 1050 nut

Material

Steel comp 304 base or steel comp 305 base

Material Specification

Ams5085 assn standard single material response nut

Material Specification

Ams5639 assn standard 1st material response base or ams5514 assn standard 2nd material response base

Surface Treatment

Cadmium

Surface Treatment Specification

Qq-p-416, typeii, class2 federal specification single treatment response

NSN

5310-01-485-3644

Part Number

ZP21551-2

Description

Nut,self-locking,plate

CAGE

98376

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 ZP21551-2 NSN 5310-01-485-3644

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:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

093486

UFC:

48950

LTL:

RATING VARIABLE

LCL:

WCC:

713

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