Model: ST3M524-7

Double Hex Castellated Plain Nut

Properties:

Thread Class
3b
Thread Direction
Right-hand
Lubrication
Dry film lubricant
Nut Style
Castellated, double hexagon
Nut Height
0.360 inches
Width Across Flats
Between 0.679 inches and 0.690 inches
Thread Series
Unjf
Thready Qty Per Inch (tpi)
20
Thread Size
0.438 inches
Bearing Surface Type
Chamfered
Material
Nickel alloy k-500
Material Specification
Ams 5662 assn standard single material response or ams 5663 assn standard single material response
Surface Treatment
Passivate
NSN
5310-00-093-3329
Part Number
ST3M524-7
Description
Nut,plain,castellated,double Hex
CAGE
76301

A nut having 12 drive points and 24 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.

Part ST3M524-7 NSN 5310-00-093-3329

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
38228
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:
0.1000lbs
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:

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: 7508900000
  • SITC: 69975
  • End Use: Finished metal shapes
  • NAICS: 332999
  • USDA: 1

Freight Class: Other articles of nickel, nesoi (excluding cloth, grill & netting of nickel wire)

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