Model: 21C7020P57

Round Plain Nut

Properties:

Thread Class
3b
Thread Direction
Right-hand
Drive Point Depth
0.085 inches
Nut Style
Round
Nut Diameter
Between 2.110 inches and 2.120 inches
Nut Thickness
Between 0.390 inches and 0.410 inches
Drive Point Width
Between 0.240 inches and 0.260 inches
Drive Point Quantity
4
Thread Series
Un
Thready Qty Per Inch (tpi)
16
Thread Size
1.688 inches
Material
Steel comp 4140
Material Specification
Aisi 4140 assn standard single material response
NSN
5310-01-265-8965
Part Number
21C7020P57
Description
Nut,plain,round
CAGE
07482

A nut, circular in shape, which may have wrenching facilities such as flats, holes, protrusions, slots or splines in or on the periphery or in the face opposite the bearing surface. For items having a thickness (or height) exceeding two times the outside diameter, use post, electrical-mechanical equipment. See also nut (1), plain, knurled. (when height or thickness and/or outside diameter is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)

Part 21C7020P57 NSN 5310-01-265-8965

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
15887
FIIG:
A021A0
Concept No.:
1
App. Key:
AY
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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