Model: H541L4F

Extended Washer Self-locking Nut

Properties:

Thread Class
3b
Thread Direction
Right-hand
Washer Outside Diameter
0.400 inches
Overall Height
0.295 inches
Nut Style
Hexagon
Width Across Flats
Between 0.305 inches and 0.313 inches
Thread Series
Unjf
Thready Qty Per Inch (tpi)
28
Hardness Rating
Between 39.0 rockwell c and 43.0 rockwell c
Thread Size
0.250 inches
Material
Steel
Surface Treatment
Cadmium
Surface Treatment Specification
Qq-p-416 type 2 cl 3 federal specification single treatment response
NSN
5310-01-074-3040
Part Number
H541L4F
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 H541L4F NSN 5310-01-074-3040

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:
U
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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