Model: 3M347L3

Extended Washer Self-locking Nut

Properties:

Thread Class
3b
Thread Direction
Right-hand
Locking Feature
Prevailing torque all metal design
Washer Outside Diameter
Between 0.330 inches and 0.340 inches
Counterbore Diameter
0.211 inches washer and 0.221 inches washer
Lubrication
Dry film lubricant
Overall Height
Between 0.182 inches and 0.192 inches
Nut Style
Hexagon
Nut Counterbore Depth
0.040 inches washer and 0.050 inches washer
Width Across Flats
Between 0.241 inches and 0.251 inches
Tempurature Rating
450.0 degrees fahrenheit
Thread Series
Unf
Thready Qty Per Inch (tpi)
32
Hardness Rating
Between 38.0 rockwell c and 44.0 rockwell c
Thread Size
0.190 inches
Material
Steel comp 8740 or steel comp 8630 or steel comp 4037 or steel comp 4027
Material Specification
Mil-s-6049 military specification 1st material response or mil-s-6050 military specification 2nd material response or mil-s-8695 military specification 3rd material response or astma304 assn standard 4th material response
Surface Treatment
Cadmium and chromate
Surface Treatment Specification
Qq-p-416, type 2, cl 2 federal specification single treatment response
NSN
5310-01-087-9748
Part Number
3M347L3
Description
Nut,self-locking,extended Washer
CAGE
76301

A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery. An integral feature is incorporated for locking on the threads of a mating member.

Part 3M347L3 NSN 5310-01-087-9748

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
29730
FIIG:
A021A0
Concept No.:
1
App. Key:
BT
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:
0.1000lbs
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:
Q

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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