Model: 974-251ALT2

Waveguide Flange

Properties:

Flange Inside Width
1.253 inches single flange and 1.256 inches single flange
Flange Inside Height
0.628 inches single flange and 0.631 inches single flange
Flange Outside Width
1.860 inches single flange and 1.890 inches single flange
Flange Outside Height
1.860 inches single flange and 1.890 inches single flange
Flange Depth
0.423 inches single flange and 0.453 inches single flange
Flange Connecting Hole Diameter
0.169 inches single flange all connection facilities and 0.172 inches single flange all connection facilities
Flange Connecting Facility And Quantity
4 unthreaded hole single flange all connection facilities
Flange Style
Cover type single flange
Material
Copper alloy single flange
Surface Treatment
Any acceptable single flange inside surfaces
Surface Treatment
Any acceptable single flange outside surfaces
Specification Data
81349-mil-f-3922/53 government specification
Fsc Application Data
Antennas, waveguides and related equip.
NSN
5985-00-265-2864
Part Number
974-251ALT2
Description
Flange,waveguide
CAGE
49956

A waveguide fitting with a projecting rim, edge or ridge whose inside dimensions are designed to be affixed to a waveguide for the purpose of joining with another electrical fitting.

Part 974-251ALT2 NSN 5985-00-265-2864

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
00102
FIIG:
A073A0
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:
U
ESD:
ESD:
MMAC:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
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:
095190
UFC:
49790
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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