Model: 221-4 1-2D

General Purpose Resilient Mount

Properties:

Flange Thickness
0.125 inches
Thread Size
1/4-28unf-2b all threaded portions
Distance Between Mounting Hole Centers
1.375 inches
Flange Length
1.813 inches
Flange Width
1.813 inches
Shortest Distance Between Mounting Hole Centers
1.375 inches
Flange Mounting Hole Diameter
0.201 inches
Height
1.375 inches
Material
Aluminum alloy
Surface Treatment
Anodize
Style Designator
Round spring compression four-hole flange
Nondefinitive Specification/std Data
A class and 2 size
NSN
5340-00-721-5352
Part Number
221-4 1-2D
Description
Mount,resilient,general Purpose
CAGE
81860

An item made of material having elastic properties. it may have rigid mounting facilities such as a flange(s), sleeve(s), stud(s) or the like. it is designed to isolate or dampen shock and/or vibration of a continuous or intermittent origin and serve as a support for an item to be isolated. excludes mount, resilient, weapon system; spring (as modified); bumper, nonmetallic; bumper, rubber; bushing, nonmetallic; hydraulic and pneumatic shock absorbers, dashpots, grommets and shock pads.

Part 221-4 1-2D NSN 5340-00-721-5352

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
53590
FIIG:
A535S0
Concept No.:
App. Key:
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:
ESD:
MMAC:
CRITL:
X

Packaging & Shipping

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

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: 8487900080
  • SITC: 74999
  • End Use: Industrial machines, other
  • NAICS: 333999
  • USDA: 1

Freight Class: Machinery parts not containing electrical features, and not specified or included elsewhere in chapter 84, except ships' propellers

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