Model: 20999 20703

Extended Washer Self-locking Nut

Properties:

Thread Class
3b
Thread Direction
Right-hand
Locking Feature
Prevailing torque all metal design
Washer Outside Diameter
0.172 inches
Overall Height
0.094 inches
Nut Style
Hexagon
Washer Thickness
0.025 inches
Width Across Flats
0.094 inches
Tempurature Rating
500.0 degrees fahrenheit
Thread Series
Unc
Thready Qty Per Inch (tpi)
56
Thread Size
0.086 inches
Material
Steel
Surface Treatment
Cadmium and chromate
NSN
5310-00-899-3352
Part Number
20999 20703
Description
Nut,self-locking,extended Washer
CAGE
D8385

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 20999 20703 NSN 5310-00-899-3352

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

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
093486
UFC:
48950
LTL:
RATING VARIABLE
LCL:
50.0
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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