PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8771222-1Adapter,waveguide

Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin · NSN 5985-00-941-4391 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-941-4391 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-941-4391. Primary manufacturer part number: 8771222-1.
Features
  • Adapter,waveguide — FSC 5985
  • Flange Inside Width: 2.006 INCHES NOMINAL SINGLE FLANGE IN
  • Flange Outside Diameter: 3.625 INCHES NOMINAL SINGLE FLANGE IN
  • Adapter Length: 2.375 INCHES NOMINAL IN
  • Coaxial Connector Series Designation: N
  • Waveguide Outside Diameter: 3.625 INCHES NOMINAL IN
  • Flange Connecting Hole Diameter: 0.219 INCHES MINIMUM AND 0.222 INCHES MAXIMUM ALL FLANGES ALL CONNECTION FACILITIES IN
  • Surface Treatment: PAINT SINGLE COUPLING OUTSIDE SURFACES
Applications
  • Applications requiring Aluminum Alloy Single Coupling construction
General Description

The Adapter,waveguide, cataloged under National Stock Number 5985-00-941-4391, 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 Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin. Government technical data includes 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 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
NSN5985-00-941-4391
Primary Part Number8771222-1
Item NameAdapter,waveguide
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerLockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin
StatusACTIVE
Flange Inside Width2.006 INCHES NOMINAL SINGLE FLANGE IN
Flange Outside Diameter3.625 INCHES NOMINAL SINGLE FLANGE IN
Adapter Length2.375 INCHES NOMINAL IN
Coaxial Connector Series DesignationN
Waveguide Outside Diameter3.625 INCHES NOMINAL IN
Flange Connecting Hole Diameter0.219 INCHES MINIMUM AND 0.222 INCHES MAXIMUM ALL FLANGES ALL CONNECTION FACILITIES IN
Surface TreatmentPAINT SINGLE COUPLING OUTSIDE SURFACES
Flange Connecting Facility and Quantity8 UNTHREADED HOLE(S) ALL FLANGES ALL CONNECTION FACILITIES
Adapter Overall Height3.500 INCHES NOMINAL IN
Voltage Standing Wave Ratio1.25
MaterialALUMINUM ALLOY SINGLE COUPLING
Tubing Wall Construction StyleSEAMLESS SINGLE TUBING SEGMENT
Waveguide Inside Width2.002 INCHES MINIMUM AND 2.005 INCHES MAXIMUM IN
Adapter Diameter3.625 INCHES NOMINAL IN
Style DesignatorWAVEGUIDE TO COAXIAL
Flange Inside Height1.006 INCHES NOMINAL SINGLE FLANGE IN
Cross-Sectional Shape StyleINTERNAL, RECTANGULAR EXTERNAL, ROUND
Waveguide Inside Height1.002 INCHES MINIMUM AND 1.005 INCHES MAXIMUM IN
Flange Quantity1
Flange Depth0.375 INCHES NOMINAL SINGLE FLANGE IN
Flange StyleCOVER TYPE SINGLE FLANGE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
1650-00-095-123930116 INTERCHANGEABLE
Piston,relief Valve
Arvinmeritor Inc
5331-00-165-1972AS3208-03 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5330-00-178-7606CW30125 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
4930-00-253-24781142 INTERCHANGEABLE
Lubricating Gun,handheld
Lincoln Industrial Corporation Div Lincoln Industrial Corporation
6210-01-024-025630116 INTERCHANGEABLE
Lens,light
Gte Products Corp Lighting Products Group Hillsboro Miniature Lamp Plant
8010-01-039-5343 INTERCHANGEABLE
Paint,enamel
5305-01-124-769730116 INTERCHANGEABLE
Screw,cap,hexagon Head
Barnes Group Inc. Dba Barnes Distribution
4730-01-158-841513935 INTERCHANGEABLE
Adapter,straight,pipe to Hose
Munters Corporation Dba Munters Des Champs Products Div Cargocaire
4720-01-273-4728100R2TYPEAT-16 INTERCHANGEABLE
Hose,nonmetallic
Sae International Dba Sae International
6150-01-346-12123011-6 INTERCHANGEABLE
Wiring Harness
B/e Aerospace, Inc.
Cross-Reference Index
Part NumberManufacturer
8771222-1 Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin (USA)
30116 Waveline Inc (USA)
918 Axillon Aerospace (baltimore) Inc. (USA)
B34297 Skyworks Solutions, Inc. (USA)
918 Atlantic Microwave Corporation Div Cobham Electronic Systems (USA)
Related Parts
1650-00-095-1239INTERCHANGEABLE
PISTON,RELIEF VALVE
30116
5331-00-165-1972INTERCHANGEABLE
O-RING
AS3208-03
5330-00-178-7606INTERCHANGEABLE
SEAL,PLAIN ENCASED
CW30125
4930-00-253-2478INTERCHANGEABLE
LUBRICATING GUN,HANDHELD
1142
6210-01-024-0256INTERCHANGEABLE
LENS,LIGHT
30116
8010-01-039-5343INTERCHANGEABLE
PAINT,ENAMEL
5305-01-124-7697INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
30116
4730-01-158-8415INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO HOSE
13935
4720-01-273-4728INTERCHANGEABLE
HOSE,NONMETALLIC
100R2TYPEAT-16
6150-01-346-1212INTERCHANGEABLE
WIRING HARNESS
3011-6
4730-01-501-1705INTERCHANGEABLE
CLAMP,HOSE
30-116-4
4440-01-556-9511INTERCHANGEABLE
DEHUMIDIFIER,DESICCANT,ELECTRIC

Frequently Asked Questions

What is NSN 5985-00-941-4391?

NSN 5985-00-941-4391 is a Adapter,waveguide, manufactured by Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-00-941-4391?

NSN 5985-00-941-4391 has 5 cross-referenced part numbers: 8771222-1 (Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin), 30116 (Waveline Inc), 918 (Axillon Aerospace (baltimore) Inc.), B34297 (Skyworks Solutions, Inc.), 918 (Atlantic Microwave Corporation Div Cobham Electronic Systems).

What NSN replaces 5985-00-941-4391?

There are 12 known substitutes for 5985-00-941-4391: 1650-00-095-1239, 5331-00-165-1972, 5330-00-178-7606 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8771222-1?

Key specifications for 8771222-1: Flange Inside Width: 2.006 INCHES NOMINAL SINGLE FLANGE IN; Flange Outside Diameter: 3.625 INCHES NOMINAL SINGLE FLANGE IN; Adapter Length: 2.375 INCHES NOMINAL IN; Coaxial Connector Series Designation: N. 21 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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