Model: SM3578

Knurled Plain Nut

Properties:

Thread Class
2b
Thread Direction
Right-hand
Nut Style
Knurled
Nut Diameter
0.625 inches
Nut Thickness
Between 0.484 inches and 0.516 inches
Hole Type And Quantity
1 tapped
Thread Series
Unf
Thready Qty Per Inch (tpi)
32
Thread Size
0.190 inches
Hole Thready Qty Per Inch (tpi)
32
Hole Configuration Style
Configuration j
Countersink Angle
89.0 degrees nut and 91.0 degrees nut
Hole Thread Diameter
0.138 inches
Material
Aluminum alloy 2024 or aluminum alloy 2017
Material Specification
Qq-a-354 federal specification 1st material response or qq-a-225/4 federal specification 2nd material response
Surface Treatment
Oxide film
Surface Treatment Specification
Mil-c-5541 military specification single treatment response
NSN
5310-00-623-1684
Part Number
SM3578
Description
Nut,plain,knurled
CAGE
80249

A nut, round in shape, having all or part of its outer surface knurled. It may have provisions for external wrenching. For items having a thickness (or height) exceeding two times the outside diameter, use post, electrical-mechanical equipment. See also nut (1), plain, round. (when height or thickness, and/or outside diameter is designated as a tolerance dimension, the maximum dimension will be used to determine compliance).

Part SM3578 NSN 5310-00-623-1684

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
15886
FIIG:
A021A0
Concept No.:
1
App. Key:
AU
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:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
013540
UFC:
05680
LTL:
70.0
LCL:
--
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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