Model: 4M49

Plate Spacer

Special Features:

Bunprimed aluminum alloy and cres shims have been superceded by primed shims. Unprimed shims may be reworked by priming in accordance with para 3.3.2 or 3.3.3. 48 inch stock lengths are standard.

Properties:

Hole Diameter
Between 0.356 inches and 0.366 inches
Overall Length
2.260 inches
Overall Width
Between 0.486 inches and 0.516 inches
Overall Thickness
0.063 inches
Center To Center Distance Between Bolt Holes Along Length
1.500 inches
Outside Edge To Bolt Hole Center Distance Along Length
Between 0.310 inches and 0.340 inches
Bolt Hole Centerline To Nearest Edge Distance
0.258 inches
Bolt Hole Quantity
2
End Application
Spacer, plate
Part Name Assigned By Controlling Agency
Inavy: spacer, plate
Material
Aluminum alloy 2024
Material Specification
250/5 federal specification single material response
Surface Treatment
Primer
Surface Treatment Specification
85582 military specification single treatment response
Style Designator
Non-circular w/square corners
NSN
5365-01-521-1782
Part Number
4M49
Description
Spacer,plate
CAGE

A flat metal or plastic item of various peripheral shapes having a solid (not laminated) cross-section. It is designed to maintain a predetermined distance between two surfaces. For round items without a hole having a solid rectangular cross-section use disk, solid, plain. For round or hexagonal items with only one hole centrally located and with the length (thickness) exceeding 25 percent of the outside diameter or distance across peripheral flats, see spacer, sleeve. The thickness between the two parallel bearing surfaces must be 0.006 inch, (0.152 mm) or more for items less than 1/4 inch (6.35 mm) across the peripheral diameter, or smallest overall outside dimension, or must be 0.016 inch (0.406 mm) or more for items 1/4 inch (6.35 mm) or greater across the peripheral diameter or smallest overall outside dimension. For items with a thickness less than those indicated above, see shim. For items with one hole centrally located conforming to the above dimensional criteria use washer, flat or spacer, ring as applicable. When thickness and/or outside diameter or smallest overall outside dimension is designated as a tolerance/dimension the maximum dimension will be used to determine compliance. Excludes gasket; insulator (as modified) and mounting pad, electrical-electronic component.

Part 4M49 NSN 5365-01-521-1782

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
26979
FIIG:
A07000
Concept No.:
App. Key:
AC
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:
A
ESD:
ESD:
MMAC:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.1000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
E
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
115620
UFC:
59240
LTL:
65.0
LCL:
--
WCC:
713
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 7616995095
  • SITC: 69979
  • End Use: Finished metal shapes
  • NAICS: 332999
  • USDA: 1

Freight Class: Articles of aluminum nesoi

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