Model: MS21224-3C

Hex Castellated Self-locking Nut

Special Features:

Ms21224 has been replaced by nasm21224 dated november1999

Properties:

Thread Class

Nut Style

Castellated, hexagon

Nut Height

Between 0.344 inches and 0.374 inches

End Application

V-22 lrip 1 e-nsn isil

Width Across Flats

0.413 inches

Thread Series

Unjf

Thready Qty Per Inch (tpi)

Thread Size

0.190 inches

Part Name Assigned By Controlling Agency

Nut, self-locking, castellated, hexagon counterbored, assembled washer, 250 degrees f, non-metallic insert ( for self-retaining bolts)

Material

Steel

NSN

5310-01-474-1091

Part Number

MS21224-3C

Description

Nut,self-locking,castellated,hex

CAGE

96906

A nut having 6 flat sides, flat on the bottom and having a slotted cylindrical or dome shaped upper portion. An integral feature is incorporated for locking on the threads of a mating member. The slots when used in conjunction with a solid or split (cotter) pin, act as an extra "fail safe" feature in critical applications. Excludes nut (1), self-locking, slotted, hexagon.

Part MS21224-3C NSN 5310-01-474-1091

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

29725

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:

RATING VARIABLE

WCC:

573

TCC:

SHC:

ACC:

Equipment for Aircraft

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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