PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

641-2Waveguide Assembly

Waveline Inc · NSN 5985-00-880-2134 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-880-2134 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-880-2134. Primary manufacturer part number: 641-2.
Features
  • Waveguide Assembly — FSC 5985
  • Flange Quantity: 2
  • Waveguide Inside Height: 0.396 INCHES MINIMUM AND 0.404 INCHES MAXIMUM IN
  • Flange Connecting Facility and Quantity: 4 UNTHREADED HOLE(S) ALL FLANGES ALL CONNECTION FACILITIES
  • Surface Treatment: SILVER ALL TUBING SEGMENT AND FLANGE INSIDE SURFACES
  • Material: COPPER ALLOY ALL TUBING SEGMENT AND FLANGE
  • Waveguide Inside Width: 0.896 INCHES MINIMUM AND 0.904 INCHES MAXIMUM IN
  • Precious Material and Location: INTERNAL SURFACES SILVER
Applications
  • Applications requiring Copper Alloy All Tubing Segment and Flange construction
General Description

The Waveguide Assembly, cataloged under National Stock Number 5985-00-880-2134, is classified within Federal Supply Class 5985 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Waveline Inc. Government technical data includes 25 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-00-880-2134
Primary Part Number641-2
Item NameWaveguide Assembly
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerWaveline Inc
StatusACTIVE
Flange Quantity2
Waveguide Inside Height0.396 INCHES MINIMUM AND 0.404 INCHES MAXIMUM IN
Flange Connecting Facility and Quantity4 UNTHREADED HOLE(S) ALL FLANGES ALL CONNECTION FACILITIES
Surface TreatmentSILVER ALL TUBING SEGMENT AND FLANGE INSIDE SURFACES
MaterialCOPPER ALLOY ALL TUBING SEGMENT AND FLANGE
Waveguide Inside Width0.896 INCHES MINIMUM AND 0.904 INCHES MAXIMUM IN
Precious Material and LocationINTERNAL SURFACES SILVER
FSC Application DataANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT
Precious MaterialSILVER
Waveguide Outside Height0.496 INCHES MINIMUM AND 0.504 INCHES MAXIMUM IN
Operating Pressure15.0 POUNDS PER SQUARE INCH GAUGE (PSIG) MAXIMUM LBS
Flange Outside Width1.610 INCHES MINIMUM AND 1.640 INCHES MAXIMUM ALL FLANGES IN
Voltage Standing Wave Ratio1.02
FlexibilityRIGID SINGLE TUBING SEGMENT
Tubing Wall Construction StyleSEAMLESS SINGLE TUBING SEGMENT
Flange Connecting Hole Diameter0.169 INCHES MINIMUM AND 0.172 INCHES MAXIMUM ALL FLANGES ALL CONNECTION FACILITIES IN
Flange Inside Height0.503 INCHES MINIMUM AND 0.506 INCHES MAXIMUM ALL FLANGES IN
Flange Outside Height1.610 INCHES MINIMUM AND 1.640 INCHES MAXIMUM ALL FLANGES IN
Flange Depth0.423 INCHES MINIMUM AND 0.453 INCHES MAXIMUM ALL FLANGES IN
Flange Inside Width1.003 INCHES MINIMUM AND 1.006 INCHES MAXIMUM ALL FLANGES IN
Flange StyleCOVER TYPE ALL FLANGES
Waveguide Length3.000 INCHES NOMINAL IN
Style DesignatorSTRAIGHT TYPE
Waveguide Outside Width0.996 INCHES MINIMUM AND 1.004 INCHES MAXIMUM IN
Cross-Sectional Shape StyleINTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
2590-00-045-37976412 INTERCHANGEABLE
Parts Kit,horn Button Switch
Eaton Corporation Div Eaton Fluid Power
3110-00-144-8556 INTERCHANGEABLE
Bearing,ball,annular
5999-00-222-014813182 INTERCHANGEABLE
Cap,electrical
Roanwell, Llc
5910-00-243-631360-0725-20003-902 INTERCHANGEABLE
Capacitor,variable,air Dielectri
Tronser, Inc Dba Tronser Inc
5365-00-270-21415A7044 INTERCHANGEABLE
Spacer,ring
Napco International Llc Dba Napco International Inc
5310-00-333-73278329336 INTERCHANGEABLE
Nut
U S Army Tank Automotive Command Amsta-Im-Mm
4820-00-473-4879212-59-038PC421 INTERCHANGEABLE
Valve,angle
Naval Sea Systems Command
5915-00-488-33172921066-2 INTERCHANGEABLE
Filter,band Pass
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5305-01-044-83436412 INTERCHANGEABLE
Screw,machine
Unity Manufacturing Co
5945-01-084-5032641-2 INTERCHANGEABLE
Relay,solid State
Teledyne Defense Electronics, Llc Dba Teledyne Relays Div Https://www.teledyne.com/what-We-Do/
Cross-Reference Index
Part NumberManufacturer
G366282 American Telephone and Telegraph Co (USA)
ES8132-02 Drs Sustainment Systems, Inc. (USA)
90-641-2 Advanced Technical Materials, Inc. Dba a T M (USA)
10138082 Nimikkeistokeskus Ncb Finland (FIN)
90-220-03 Antenna & Radome Research Associates Corp Dba Arra Inc Div Arra Inc (USA)
ES8132-02 Drs Sustainment Systems Inc (USA)
641-2 PRIMARY Waveline Inc (USA)
Related Parts
2590-00-045-3797INTERCHANGEABLE
PARTS KIT,HORN BUTTON SWITCH
6412
3110-00-144-8556INTERCHANGEABLE
BEARING,BALL,ANNULAR
5999-00-222-0148INTERCHANGEABLE
CAP,ELECTRICAL
13182
5910-00-243-6313INTERCHANGEABLE
CAPACITOR,VARIABLE,AIR DIELECTRI
60-0725-20003-902
5365-00-270-2141INTERCHANGEABLE
SPACER,RING
5A7044
5310-00-333-7327INTERCHANGEABLE
NUT
8329336
4820-00-473-4879INTERCHANGEABLE
VALVE,ANGLE
212-59-038PC421
5915-00-488-3317INTERCHANGEABLE
FILTER,BAND PASS
2921066-2
5305-01-044-8343INTERCHANGEABLE
SCREW,MACHINE
6412
5945-01-084-5032INTERCHANGEABLE
RELAY,SOLID STATE
641-2
4730-01-242-6381INTERCHANGEABLE
FLANGE,PIPE
6515-01-325-8767INTERCHANGEABLE
INTRAVENOUS INJECTION SET
6412

Frequently Asked Questions

What is NSN 5985-00-880-2134?

NSN 5985-00-880-2134 is a Waveguide Assembly, manufactured by Waveline Inc, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-00-880-2134?

NSN 5985-00-880-2134 has 7 cross-referenced part numbers: G366282 (American Telephone and Telegraph Co), ES8132-02 (Drs Sustainment Systems, Inc.), 90-641-2 (Advanced Technical Materials, Inc. Dba a T M), 10138082 (Nimikkeistokeskus Ncb Finland), 90-220-03 (Antenna & Radome Research Associates Corp Dba Arra Inc Div Arra Inc) and 2 more.

What NSN replaces 5985-00-880-2134?

There are 12 known substitutes for 5985-00-880-2134: 2590-00-045-3797, 3110-00-144-8556, 5999-00-222-0148 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 641-2?

Key specifications for 641-2: Flange Quantity: 2; Waveguide Inside Height: 0.396 INCHES MINIMUM AND 0.404 INCHES MAXIMUM IN; Flange Connecting Facility and Quantity: 4 UNTHREADED HOLE(S) ALL FLANGES ALL CONNECTION FACILITIES; Surface Treatment: SILVER ALL TUBING SEGMENT AND FLANGE INSIDE SURFACES. 25 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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