Model: 81112

Clinch Self-locking Nut

Properties:

Thread Class
3b
Thread Direction
Right-hand
Locking Feature
Prevailing torque all metal design
Pilot Diameter
Between 0.220 inches and 0.224 inches
Pilot Length
Between 0.080 inches and 0.090 inches
Counterbore Diameter
0.165 inches nut and 0.170 inches nut
Counterbore Diameter
0.165 inches and 0.170 inches nut
Lubrication
Soluble lubricant
Nut Style
Clinch
Nut Height
Between 0.240 inches and 0.270 inches
Nut Counterbore Depth
0.070 inches nut and 0.080 inches nut
Nut Counterbore Depth
0.070 inches and 0.080 inches nut
Width Across Flats
Between 0.305 inches and 0.313 inches
Thread Series
Unjc
Thready Qty Per Inch (tpi)
32
Thread Size
0.138 inches
Part Name Assigned By Controlling Agency
Navy special project
Material
Stainless steel
Surface Treatment
Passivate
NSN
5310-00-638-9290
Part Number
81112
Description
Nut,self-locking,clinch
CAGE
73734

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 81112 NSN 5310-00-638-9290

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:
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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