Model: 734251-303

Electrical-electronic Eq Chassis

Special Features:

Chassis has rounded rectangular cutouts centered along top and bottom/short edges, 2.800 w x 1.000 h with inner corners rounded to radius of 0.500 in. And 8 outer corners chamfered 45 degrees x 0.190 in; has 4 holes 0.221 in, c'bored 0.385 in. Along lines 1.000 and 3.000 in. From left edge, 4.500 and 6.750 in. From bottom edge; marked "a 1 2 3 4" above top row of holes and "b 1 2 3 4" below other row

Properties:

Mounting Hole Diameter
0.281 inches
Mounting Provision
Unthreaded hole
Overall Depth
8.800 inches
Overall Width
4.800 inches
Material Thickness
0.190 inches
Mounting Hole Quantity
4
Center To Center Distance Between Mounting Holes Along Length
7.800 inches
Center To Center Distance Between Mounting Holes Along Width
3.800 inches
End Application
Awg9 otps
Features Provided
Bracket
Component Mounting Facility Type And Quantity
4 unthreaded hole
Design Feature
Punched holes
Part Name Assigned By Controlling Agency
Chassis assembly, upper paa
Material
Aluminum alloy 6061
Material Specification
Qq-a-250/11, alloy 6061-t6 federal specification single material response
Surface Treatment
Conversion coat
Surface Treatment Specification
Mil-c-5541, class 1a military specification single treatment response
Style Designator
Flat
Supplementary Features
Bracket is l-shaped: side that mounts on chassis is 1.250 in. High x 4.800 in. Wide, other leg is same width and is 2.000 in. High; this leg has 2 rectangual cutouts, 1 is 1.110 w x 0.883 h, other is 1.270 w x 1.355 h; outer corners are chamfered 45 degrees x 0.25 in.; bracket is attached with mounting leg toward top of chassis, and underside 2.750 inches from bottom of chassis
NSN
5975-01-528-0696
Part Number
734251-303
Description
Chassis,electrical-electronic Eq
CAGE
20418

A box, frame, or plate fabricated of electrically conductive material designed to mount, but which does not include, electronic components and their associated circuitry. it may have facilities for attachment to a rack or cabinet or to accommodate specially designed components. it may include a shielding function, integral wiring, and mounting hardware as part of the item. excludes mounting base, electrical equipment.

Part 734251-303 NSN 5975-01-528-0696

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
38671
FIIG:
A05500
Concept No.:
App. Key:
C
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:
P
PMIC:
A
ESD:
A
ESD:
A
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
063160
UFC:
35205
LTL:
RATING VARIABLE
LCL:
--
WCC:
72D
TCC:
Z
SHC:
9
ACC:
Instruments/Radio

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Schedule B and Export
  • Schedule B: 8543909000
  • SITC: 77879
  • End Use: Electric apparatus
  • NAICS: 335999
  • USDA: 1

Freight Class: Electrical machines and apparatus parts, nesoi

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