Model: H530C-3

Extended Washer Self-locking Nut

Properties:

Thread Class
3b
Thread Direction
Right-hand
Locking Feature
Prevailing torque all metal design
Washer Outside Diameter
0.330 inches
Counterbore Diameter
0.211 inches nut and 0.221 inches nut
Lubrication
Dry film lubricant
Overall Height
0.180 inches
Nut Style
Hexagon
Nut Counterbore Depth
0.072 inches nut and 0.082 inches nut
Width Across Flats
Between 0.213 inches and 0.221 inches
Thread Series
Unjf
Thready Qty Per Inch (tpi)
32
Hardness Rating
Between 39.0 rockwell c and 43.0 rockwell c
Thread Size
0.190 inches
Part Name Assigned By Controlling Agency
Navy special project
Material
Steel comp 8740
Material Specification
Mil-s-6049 military specification single material response
Surface Treatment
Cadmium
NSN
5310-01-105-7234
Part Number
H530C-3
Description
Nut,self-locking,extended Washer
CAGE
15653

A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery. An integral feature is incorporated for locking on the threads of a mating member.

Part H530C-3 NSN 5310-01-105-7234

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
29730
FIIG:
A021A0
Concept No.:
1
App. Key:
BT
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:
ESD:
MMAC:
CRITL:
X

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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