Model: 203MR18P3

Hexagon Self-locking Nut

Properties:

Thread Class
3b
Thread Direction
Right-hand
Locking Feature
Prevailing torque with nonmetallic insert
Nut Height
0.266 inches
Width Across Flats
Between 0.334 inches and 0.346 inches
Tempurature Rating
Not rated
Thread Series
Unc
Thready Qty Per Inch (tpi)
32
Hardness Rating
Not rated
Thread Size
0.164 inches
Bearing Surface Type
Any acceptable
Material
Aluminum alloy 2014 nut
Material
Fiber locking insert
Material Specification
Ams 4121 assn standard single material response nut
Surface Treatment
Anodize nut
NSN
5310-00-550-4372
Part Number
203MR18P3
Description
Nut,self-locking,hexagon
CAGE
3B150

A nut having a flat bottom and 6 sides. An integral feature is incorporated for locking on the threads of a mating member. Excludes nut (1), self-locking, cap.

Part 203MR18P3 NSN 5310-00-550-4372

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05277
FIIG:
A021A0
Concept No.:
1
App. Key:
BK
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:
013540
UFC:
05680
LTL:
70.0
LCL:
70.0
WCC:
713
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 7616995095
  • SITC: 69979
  • End Use: Finished metal shapes
  • NAICS: 332999
  • USDA: 1

Freight Class: Articles of aluminum nesoi

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