Model: BB29256

Access Cover

Properties:

Cross Sectional Shape
Circular recess
Inside Diameter
3.152 inches
Hole Diameter
Between 0.344 inches and 0.348 inches
Width
Between 3.807 inches and 3.812 inches
Flange Thickness
0.330 inches
Edge Shape
Four radii sides, four holes
Length
4.125 inches
Body Radius
Between 3.807 inches and 3.812 inches
Distance Between Holes Along Length
Between 2.691 inches and 2.696 inches
Distance Between Holes Along Width
Between 2.691 inches and 2.696 inches
Distance From First Hole Centerline To End Along Length
0.558 inches
Distance From First Hole Centerline To End Along Width
0.558 inches
Ear Radius
0.344 inches
First Recess Inside Height
0.156 inches
Inside Corner Radius
0.060 inches
Body Thickness
0.188 inches
Securing Device Type
Threaded fastener
Mounting Opening Shape Style
Unthreaded hole
Material
Iron cast
NSN
5340-00-350-6504
Part Number
BB29256
Description
Cover,access
CAGE
56442

A rigid or flexible item of various shapes attached to a structure for the purpose of providing access for inspection, service, replacement of components and/or adjustments or mounting operations. It is designed to be attached by means of bolt holes, slots, mounting ears, tabs, and the like. To permit access, the mounted cover requires partial or complete removal. It may include an observation window. For items permanently attached by hinges and the like, see door, access (as modified). Excludes all covers not specifically designed to provide access for the purposes listed above.

Part BB29256 NSN 5340-00-350-6504

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
29785
FIIG:
A531C0
Concept No.:
App. Key:
Cond. Code:
2
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
P
PMIC:
A
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
095190
UFC:
49790
LTL:
70.0
LCL:
--
WCC:
713
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 7325990000
  • SITC: 69963
  • End Use: Finished metal shapes
  • NAICS: 331511
  • USDA: 1

Freight Class: Cast articles of iron or steel nesoi

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