Model: 31808

Radio Frequency Reflect Isolator
Description:

0.630 inches width, 2.250 inches overall length, 0.625 inches overall height, 1.875 inches overall width, 1.250 inches length, +9.0 to 9.2 gigahertz frequency range rating.

Properties:

Width
0.630 inches
Overall Length
2.250 inches
Overall Height
0.625 inches
Overall Width
1.875 inches
Length
1.250 inches
Frequency Range Rating
+9.0 to 9.2 gigahertz
Flange Quantity
1
Flange Connection Facility Quantity
4
Flange Connecting Hole Diameter
Between 0.169 inches and 0.172 inches
Document Type
Military specification
Document Identification
Mil-f-3922
Identification Designator
Type ug-138/u
Flange Type
Cover
Flange Connecting Hole Spacing
Spaced on 1.352 in. By 1.474 in. Mtg centers
NSN
5985-00-008-8243
Part Number
31808
Description
Isolator,radio Frequency Reflect
CAGE
12110

A device which allows radio frequency energy to pass in one direction with very little power loss, but blocks the flow of energy in the other direction by means of multiple wave-polarization or an integral dissipative load. It isolates frequency sensitive circuity from the effects of reflected radio frequency energy resulting from component mismatch. It usually has one or more ports terminated with coaxial connector(s) and/or waveguide flange(s); or other electrical terminations. Isolators designed for internal use in waveguide runs may consist of rods, rings, chips, strips and the like and have no ports or terminations. See also diplexer; duplexer. Excludes circulator, radio frequency.

Part 31808 NSN 5985-00-008-8243

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
20347
FIIG:
T224-J
Concept No.:
App. Key:
JA
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:
TG
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
4.0 X 3.0 X 1.0
Paclk Weight:
0.2000lbs
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:
Q
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
061700
UFC:
34580
LTL:
RATING VARIABLE
LCL:
--
WCC:
658
TCC:
Z
SHC:
9
ACC:
Instruments/Radio

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Schedule B and Export
  • Schedule B: 8529109000
  • SITC: 76493
  • End Use: Telecommunications equipment
  • NAICS: 334220
  • USDA: 1

Freight Class: Antenna & antenna reflectors of all kinds; parts suitable for use soley or principally w/ apparatus of heading 8525 to 8528, nesoi

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