Model: 12Z56-224

Hexagon Self-locking Nut

Properties:

Thread Class

Thread Direction

Right-hand

Locking Feature

Free-running all metal design

Nut Height

0.547 inches

Width Across Flats

0.813 inches

Thread Series

Unf

Thready Qty Per Inch (tpi)

Thread Size

0.500 inches

Material

Copper alloy locking insert

Material

Steel comp 1211 or steel comp 1212 or steel comp 1213 nut

Material Specification

Mil-s-18411, cl 2 military specification all material responses nut

Surface Treatment

Zinc nut

NSN

5310-00-188-7005

Part Number

12Z56-224

Description

Nut,self-locking,hexagon

CAGE

10001

A nut having a flat bottom and 6 sides. An integral feature is incorporated for locking on the threads of a mating member. Excludes nut (1), self-locking, cap.

Part 12Z56-224 NSN 5310-00-188-7005

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

05277

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:

50.0

WCC:

573

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