Model: ST21900028-121

Clinch Plain Nut

Properties:

Thread Class
2b
Thread Direction
Right-hand
Pilot Diameter
Between 0.259 inches and 0.263 inches
Pilot Length
0.059 inches
Nut Style
Clinch
Nut Height
0.125 inches
Width Across Flats
0.312 inches
Thread Series
Unf
Thready Qty Per Inch (tpi)
32
Thread Size
0.190 inches
Part Name Assigned By Controlling Agency
Navy special project
Material
Stainless steel
NSN
5310-01-266-6443
Part Number
ST21900028-121
Description
Nut,plain,clinch
CAGE
81395

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.

Part ST21900028-121 NSN 5310-01-266-6443

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
01860
FIIG:
A021A0
Concept No.:
1
App. Key:
AK
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:
093490
UFC:
50270
LTL:
50.0
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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