Model: BB4252B

Octagon Plain Nut

Properties:

Thread Class
3b
Thread Direction
Right-hand
Nut Style
Plain, octagon
Nut Height
Between 0.307 inches and 0.312 inches
Width Across Flats
Between 2.990 inches and 3.010 inches
Tempurature Rating
1550.0 degrees fahrenheit
Thread Series
Un
Features Provided
Casehardened
Thready Qty Per Inch (tpi)
16
Thread Size
2.250 inches
Bearing Surface Type
Chamfered or washer faced
Material
Steel
NSN
5310-00-276-8711
Part Number
BB4252B
Description
Nut,plain,octagon
CAGE

A nut, flat on top and bottom, having eight flat sides. It may include a retaining dowel pin. For items having a thickness (or height) exceeding two times the width across the flats, use post, electrical-mechanical equipment. (when height or thickness and/or width across the flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance).

Part BB4252B NSN 5310-00-276-8711

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
16979
FIIG:
A021A0
Concept No.:
1
App. Key:
AG
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:
50.0
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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