Model: NS202101-048

Hexagon Self-locking Nut

Properties:

Thread Class
3b
Thread Direction
Right-hand
Locking Feature
Prevailing torque all metal design
Lubrication
Dry film lubricant
Nut Style
Hexagon
Nut Height
0.221 inches
Width Across Flats
Between 0.430 inches and 0.439 inches
Tempurature Rating
450.0 degrees fahrenheit
Thread Series
Unjf
Thready Qty Per Inch (tpi)
28
Hardness Rating
Between 36.0 rockwell c and 44.0 rockwell c
Thread Size
0.250 inches
Countersink Angle
120.0 degrees nut
Bearing Surface Type
Chamfered or washer faced
Material
Steel comp 4140 or steel comp 4340 or steel comp 8740 or steel comp 4130
Material Specification
Ams 6322 assn standard 1st material response or ams 6350 assn standard 1st material response or ams 6378 assn standard 1st material response or mil-s-5000 military specification 2nd material response or mil-s-6049 military specification 3rd material response or mil-s-18729 assn standard 4th material response
Surface Treatment
Cadmium
Surface Treatment Specification
Qq-p-416 federal specification single treatment response
Specification Data
81205-bacn10jc manufacturers standard
NSN
5310-00-526-1280
Part Number
NS202101-048
Description
Nut,self-locking,hexagon
CAGE
80539

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 NS202101-048 NSN 5310-00-526-1280

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:
ESD:
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:
Construction Materials

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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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