Model: FPN4-40SCL-E0256

Clinch Self-locking Nut

Properties:

Thread Class
3b
Thread Direction
Right-hand
Locking Feature
Prevailing torque all metal design
Pilot Diameter
Between 0.274 inches and 0.280 inches
Lubrication
Dry film lubricant
Nut Style
Clinch
Nut Diameter
Between 0.335 inches and 0.365 inches
Nut Height
Between 0.230 inches and 0.270 inches
Thread Series
Unc
Features Provided
Floating nut
Thready Qty Per Inch (tpi)
40
Thread Size
0.112 inches
Part Name Assigned By Controlling Agency
Navy special project
Material
Steel or steel comp 4130 or steel comp 4140
Material
Steel or steel comp 4130 or steel comp 4140
Material Specification
Qq-t-580 gr b cl w1-08 federal specification 1st material response or ams 6351 assn standard 2nd material response or mil-s-5626 military specification 3rd material response
Material Specification
Qq-t-580 gr b cl w1-08 federal specification 1st material response or ams 6351 assn standard 2nd material response or mil-s-5626 military specification 3rd material response
Surface Treatment
Cadmium
Surface Treatment Specification
Qq-p-416, type 1, cl 3 federal specification single treatment response
NSN
5310-00-460-3008
Part Number
FPN4-40SCL-E0256
Description
Nut,self-locking,clinch
CAGE
83324

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 FPN4-40SCL-E0256 NSN 5310-00-460-3008

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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