Model: 7M20-21

Round Plain Nut

Properties:

Thread Class
3b
Thread Direction
Right-hand
Drive Point Depth
0.120 inches
Nut Style
Round
Nut Diameter
Between 1.804 inches and 1.820 inches
Nut Thickness
Between 0.250 inches and 0.270 inches
Drive Point Width
0.120 mils and 0.135 centimeters
Drive Point Quantity
4
Thread Series
Un
Thready Qty Per Inch (tpi)
12
Thread Size
1.312 inches
Countersink Angle
45.0 degrees nut
Material
Aluminum alloy 2024
Material Specification
Qq-a-200/3 temper t4 federal specification 1st material response or qq-a-225/6 temper t4 federal specification 1st material response
Surface Treatment
Anodize
Surface Treatment Specification
Mil-a-8625 military specification single treatment response
NSN
5310-00-479-0018
Part Number
7M20-21
Description
Nut,plain,round
CAGE
76301

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 7M20-21 NSN 5310-00-479-0018

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:
U
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
013540
UFC:
05680
LTL:
70.0
LCL:
70.0
WCC:
713
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 7616995095
  • SITC: 69979
  • End Use: Finished metal shapes
  • NAICS: 332999
  • USDA: 1

Freight Class: Articles of aluminum nesoi

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