Model: 2878303

Knurled Plain Nut

Properties:

Thread Class
2b
Thread Direction
Right-hand
Counterbore Diameter
2.500 inches
Nut Style
Knurled
Nut Diameter
3.375 inches
Nut Thickness
1.250 inches
Nut Counterbore Depth
0.188 inches
Drilled Hole Diameter
0.250 inches
Hole Type And Quantity
8 drilled
Thread Series
Un
Thready Qty Per Inch (tpi)
6
Thread Size
2.500 inches
Hole Configuration Style
Configuration f
Part Name Assigned By Controlling Agency
Navy special project
Material
Steel comp 1020
Material Specification
Astm a-108 federal standard single material response
Surface Treatment
Zinc
Surface Treatment Specification
Qq-z-325, type 2, class 1 federal specification single treatment response
NSN
5310-01-058-1949
Part Number
2878303
Description
Nut,plain,knurled
CAGE
10001

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 2878303 NSN 5310-01-058-1949

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:
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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