Model: R398P1A

Extended Washer Self-locking Nut

Properties:

Thread Class
3b
Thread Direction
Right-hand
Locking Feature
Prevailing torque all metal design
Washer Outside Diameter
0.350 inches
Overall Height
0.259 inches
Nut Style
Double hexagon
Washer Thickness
Between 0.025 inches and 0.035 inches
Width Across Flats
Between 0.243 inches and 0.251 inches
Tempurature Rating
1200.0 degrees fahrenheit
Thread Series
Unjf
Thready Qty Per Inch (tpi)
32
Thread Size
0.190 inches
Material
Iron alloy 660
Material Specification
Ams 5735 assn standard single material response
Precious Material
Silver
Surface Treatment
Silver
NSN
5310-00-115-3257
Part Number
R398P1A
Description
Nut,self-locking,extended Washer
CAGE
07482

A nut having 12 drive points, 24 sides, and an integral washer which extends beyond the points or periphery. An integral feature is incorporated for locking on the threads of a mating member.

Part R398P1A NSN 5310-00-115-3257

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
29729
FIIG:
A021A0
Concept No.:
1
App. Key:
BS
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

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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