Model: 20531

Clinch Self-locking Nut

Properties:

Thread Class
3b
Thread Direction
Right-hand
Locking Feature
Prevailing torque with nonmetallic insert
Pilot Diameter
0.275 inches
Pilot Length
0.165 inches
Counterbore Diameter
0.220 inches nut
Nut Style
Clinch
Nut Height
0.415 inches
Nut Counterbore Depth
0.165 inches nut
Width Across Flats
0.375 inches
Tempurature Rating
250.0 degrees fahrenheit
Thread Series
Unf
Thready Qty Per Inch (tpi)
32
Thread Size
0.190 inches
Material
Steel comp 1212 nut
Surface Treatment
Cadmium except insert
Surface Treatment Specification
Qq-p-416, type 2, cl 3 federal specification single treatment response except insert
NSN
5310-00-045-8320
Part Number
20531
Description
Nut,self-locking,clinch
CAGE
06425

A nut having a sleeve portion on its under side, which can be crimped or clinched to hold the item in place when inserted in a hole. An integral feature is incorporated for locking.

Part 20531 NSN 5310-00-045-8320

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
15892
FIIG:
A021A0
Concept No.:
1
App. Key:
BN
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:
SX
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
--
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
E
LVL_B:

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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