Model: 57A5A30-5

Spline Self-locking Nut

Properties:

Thread Class
3b
Thread Direction
Right-hand
Locking Feature
Prevailing torque all metal design
Pilot Diameter
Between 0.273 inches and 0.277 inches
Pilot Length
0.063 inches
Nut Style
Spline
Nut Diameter
0.376 inches
Nut Height
Between 0.286 inches and 0.306 inches
Tempurature Rating
550.0 degrees fahrenheit
Thread Series
Unc
Thready Qty Per Inch (tpi)
32
Thread Size
0.164 inches
Material
Steel
Surface Treatment
Cadmium
NSN
5310-00-813-9601
Part Number
57A5A30-5
Description
Nut,self-locking,spline
CAGE
10001

A nut having an externally splined sleeve, which holds it in position when forced into a hole of slightly smaller diameter. An integral feature is incorporated for locking.

Part 57A5A30-5 NSN 5310-00-813-9601

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
15893
FIIG:
A021A0
Concept No.:
1
App. Key:
CE
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:
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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