Model: 803-6397421

Hexagon Self-locking Nut

Properties:

Thread Class
3b
Thread Direction
Right-hand
Locking Feature
Prevailing torque all metal design or prevailing torque with metallic insert or free-running all metal design
Nut Style
Hexagon
Nut Height
Between 0.212 inches and 0.226 inches
End Application
Apl update
Width Across Flats
Between 0.428 inches and 0.438 inches
Thread Series
Unf
Thready Qty Per Inch (tpi)
28
Thread Size
0.250 inches
Bearing Surface Type
Chamfered or flat or washer faced
Part Name Assigned By Controlling Agency
Nut hex slf lkg thin
Material
Copper alloy
NSN
5310-01-653-4325
Part Number
803-6397421
Description
Nut,self-locking,hexagon
CAGE
53711

A nut having a flat bottom and 6 sides. An integral feature is incorporated for locking on the threads of a mating member. Excludes nut (1), self-locking, cap.

Part 803-6397421 NSN 5310-01-653-4325

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05277
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:
A
ESD:
A
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:
Trailers/Vehicles

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Schedule B and Export
  • Schedule B: 7415338550
  • SITC: 69433
  • End Use: Finished metal shapes
  • NAICS: 332722
  • USDA: 1

Freight Class: Other copper screws (not for wood) bolts and nuts

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