Model: 03A251L5C

Hexagon Self-locking Nut

Properties:

Thread Class
3b
Thread Direction
Left-hand
Locking Feature
Prevailing torque with nonmetallic insert
Nut Style
Hexagon
Nut Height
Between 0.209 inches and 0.229 inches
End Application
Cen sec acft, cage 76823
Width Across Flats
Between 0.490 inches and 0.502 inches
Tempurature Rating
250.0 degrees fahrenheit
Thread Series
Unjf
Thready Qty Per Inch (tpi)
24
Hardness Rating
Between 34.0 rockwell c and 38.0 rockwell c
Thread Size
0.312 inches
Bearing Surface Type
Chamfered
Material
Steel comp 303 except insert
Material Specification
Ams 5525 assn standard single material response except insert or ams 5735 assn standard single material response except insert or ams 5737 assn standard single material response except insert
Surface Treatment
Passivate except insert
Surface Treatment Specification
Qq-p-35 federal specification single treatment response except insert
NSN
5310-01-357-6232
Part Number
03A251L5C
Description
Nut,self-locking,hexagon
CAGE
76823

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 03A251L5C NSN 5310-01-357-6232

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:
A
ESD:
ESD:
MMAC:
SX
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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