Model: MS21224-3C

Hex Castellated Self-locking Nut

Special Features:

Ms21224 has been replaced by nasm21224 dated november1999

Properties:

Thread Class
3b
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)
32
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.:
1
App. Key:
BK
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
A
ESD:
A
ESD:
A
MMAC:
NV
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
093486
UFC:
48950
LTL:
RATING VARIABLE
LCL:
RATING VARIABLE
WCC:
573
TCC:
Z
SHC:
9
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

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