Model: H53777-8

Extended Washer Self-locking Nut

Properties:

Thread Class
3b
Thread Direction
Right-hand
Locking Feature
Prevailing torque all metal design
Washer Outside Diameter
0.786 inches
Overall Height
Between 0.548 inches and 0.568 inches
Nut Style
Double hexagon
Washer Thickness
Between 0.100 inches and 0.120 inches
Width Across Flats
0.625 inches
Thread Series
Unjf
Thready Qty Per Inch (tpi)
20
Hardness Rating
24.0 rockwell c
Thread Size
0.500 inches
Material
Iron alloy 660
Material Specification
Ams 5732 assn standard 1st material response or ams 5737 assn standard 2nd material response
NSN
5310-01-486-1334
Part Number
H53777-8
Description
Nut,self-locking,extended Washer
CAGE

A nut having 12 drive points, 24 sides, and an integral washer which extends beyond the points or periphery. An integral feature is incorporated for locking on the threads of a mating member.

Part H53777-8 NSN 5310-01-486-1334

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
29729
FIIG:
A021A0
Concept No.:
1
App. Key:
BS
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:
RF
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:
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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