Model: NAS1021N4

Hexagon Self-locking Nut

Properties:

Thread Direction
Right-hand
Locking Feature
Prevailing torque with nonmetallic insert
Nut Height
0.328 inches
Width Across Flats
Between 0.430 inches and 0.439 inches
Tempurature Rating
250.0 degrees fahrenheit
Thread Series
Unf
Thready Qty Per Inch (tpi)
28
Hardness Rating
Not rated
Thread Size
0.250 inches
Bearing Surface Type
Any acceptable
Material
Plastic polyamide locking insert
Material
Steel nut
Surface Treatment
Cadmium nut
NSN
5310-00-660-3390
Part Number
NAS1021N4
Description
Nut,self-locking,hexagon
CAGE
80205

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 NAS1021N4 NSN 5310-00-660-3390

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:
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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