Model: HW17-4DF

Assembled Washe Self-locking Nut

Properties:

Thread Class
3b
Thread Direction
Right-hand
Locking Feature
Prevailing torque all metal design
Washer Outside Diameter
0.460 inches
Counterbore Diameter
0.277 inches nut and 0.287 inches nut
Lubrication
Dry film lubricant
Overall Height
Between 0.271 inches and 0.291 inches
Nut Style
Flat with turned up edge
Nut Counterbore Depth
0.072 inches nut and 0.087 inches nut
Width Across Flats
Between 0.274 inches and 0.284 inches
Tempurature Rating
450.0 degrees fahrenheit
Thread Series
Unjf
Thready Qty Per Inch (tpi)
28
Hardness Rating
Between 40.0 rockwell c and 45.0 rockwell c
Thread Size
0.250 inches
Material
Steel comp 8740 nut or steel comp 4037 nut
Material
Steel washer
Material Specification
Mil-s-6049 military specification 1st material response nut or mil-s-8695 military specification 2nd material response nut
Surface Treatment
Cadmium
Surface Treatment Specification
Qq-p-416 type ii class 3 federal specification single treatment response
NSN
5310-01-155-9273
Part Number
HW17-4DF
Description
Nut,self-locking,assembled Washe
CAGE
15653

A nut on which has been assembled a nonremovable washer. An integral feature is incorporated for locking on the threads of a mating member.

Part HW17-4DF NSN 5310-01-155-9273

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
29736
FIIG:
A021A0
Concept No.:
1
App. Key:
BG
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

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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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