Model: H55471-4K

Double Hexagon Self-locking Nut

Properties:

Thread Class
3b
Thread Direction
Right-hand
Locking Feature
Prevailing torque all metal design
Nut Style
Double hexagon
Nut Height
0.290 inches
End Application
C-17a aircraft
Width Across Flats
Between 0.274 inches and 0.282 inches
Tempurature Rating
160.0 degrees fahrenheit
Thread Series
Unjf
Thready Qty Per Inch (tpi)
28
Thread Size
0.250 inches
Bearing Surface Type
Flat
Part Name Assigned By Controlling Agency
Nut, self-locking, d
Material
Plastic polytetrafluoroethylene seal
Material
Titanium alloy uns r56400 nut
Material Specification
Ams4928 assn standard single material response or ams4967 assn standard single material response nut
Material Specification
Astm-d-1710, type 1, grade 1, polytetrafluoroethylene assn standard single material response seal
Surface Treatment
Aluminum nut
NSN
5310-01-525-9314
Part Number
H55471-4K
Description
Nut,self-locking,double Hexagon
CAGE
15653

A nut having 12 drive points and 24 sides. The bearing surface may be washer faced. An integral locking feature is incorporated in the design of the head or in the threads.

Part H55471-4K NSN 5310-01-525-9314

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05276
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:
ESD:
MMAC:
BA
CRITL:
X

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Schedule B and Export
  • Schedule B: 8108908000
  • SITC: 69985
  • End Use: Nonferrous metals, other
  • NAICS: 331491
  • USDA: 1

Freight Class: Other wrought titanium, nesoi

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