Model: S9431-4

Extended Washer Self-locking Nut

Properties:

Thread Class
3b
Thread Direction
Right-hand
Locking Feature
Prevailing torque all metal design
Washer Outside Diameter
0.420 inches
Overall Height
0.219 inches
Nut Style
Hexagon
Washer Thickness
0.019 inches
Width Across Flats
Between 0.304 inches and 0.316 inches
Thread Series
Unf
Thready Qty Per Inch (tpi)
28
Hardness Rating
44.0 rockwell c
Thread Size
0.250 inches
Material
Iron alloy 660
Material Specification
Ams 5732 assn standard single material response or ams 5737 assn standard single material response
Precious Material And Location
All surfaces silver
Precious Material
Silver
Surface Treatment
Silver
Surface Treatment Specification
Ams 2411 assn standard single treatment response
Specification Data
99193-s9431 manufacturers standard
NSN
5310-01-119-4368
Part Number
S9431-4
Description
Nut,self-locking,extended Washer
CAGE
99193

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 S9431-4 NSN 5310-01-119-4368

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:
S
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:

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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