Model: LHC4256-40

Clinch Self-locking Nut

Special Features:

Upper threaded portion deformed ellipitically to produce self locking action also optional six or ten lands for tightening

Properties:

Thread Class
3b
Thread Direction
Right-hand
Locking Feature
Prevailing torque all metal design
Pilot Diameter
0.155 inches
Pilot Length
0.035 inches
Counterbore Diameter
0.112 inches nut
Nut Style
Clinch
Nut Diameter
0.219 inches
Nut Height
0.195 inches
Nut Counterbore Depth
0.035 inches nut
Tempurature Rating
900.0 degrees fahrenheit
Thread Series
Unjc
Thready Qty Per Inch (tpi)
40
Thread Size
0.112 inches
Part Name Assigned By Controlling Agency
Navy special project
Material
Iron alloy 660
Precious Material
Silver
Surface Treatment
Silver
NSN
5310-00-016-0777
Part Number
LHC4256-40
Description
Nut,self-locking,clinch
CAGE
72962

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 LHC4256-40 NSN 5310-00-016-0777

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:
S
ESD:
ESD:
MMAC:
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:
576
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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