Model: 21X24

Hexagon Castellated Plain Nut

Properties:

Thread Class
3b
Thread Direction
Right-hand
Nut Style
Castellated, hexagon
Nut Height
Between 0.234 inches and 0.266 inches
Width Across Flats
Between 0.365 inches and 0.377 inches
Thread Series
Unf
Thready Qty Per Inch (tpi)
32
Thread Size
0.190 inches
Bearing Surface Type
Chamfered or washer faced
Material
Steel
Surface Treatment
Cadmium
Surface Treatment Specification
Qq-p-416 type 2 cl 3 federal specification single treatment response
NSN
5310-00-167-1284
Part Number
21X24
Description
Nut,plain,castellated,hexagon
CAGE
77873

A nut having 6 flat sides, flat on the bottom and having a slotted cylindrical or dome shaped upper portion. It is designed to provide positive locking when used with a solid or split (cotter) pin. Excludes nut (1), plain, slotted, hexagon.

Part 21X24 NSN 5310-00-167-1284

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
01854
FIIG:
A021A0
Concept No.:
1
App. Key:
AG
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:
U
ESD:
ESD:
MMAC:
SX
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.4000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
E
LVL_B:
Q

Freight Classification

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

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