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:

Status:

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators

HMIC

PMIC

ESD/EMI

ENAC

MMAC

CRITL

HMIC:

PMIC:

ESD:

MMAC:

CRITL:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

095190

UFC:

49790

LTL:

70.0

LCL:

WCC:

713

TCC:

SHC:

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