PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7923137Adapter,waveguide

Us Army Aviation and Missile Command · NSN 5985-00-778-5158 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-778-5158 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-778-5158. Primary manufacturer part number: 7923137.
Features
  • Adapter,waveguide — FSC 5985
  • Flange Inside Width: 0.362 INCHES NOMINAL SECOND FLANGE IN
  • Flange Inside Height: 0.222 INCHES NOMINAL FIRST FLANGE IN
  • Flange Style: CHOKE TYPE FIRST FLANGE
  • Flange Depth: 0.187 INCHES NOMINAL SECOND FLANGE IN
  • Adapter Length: 1.688 INCHES NOMINAL IN
  • Surface Treatment: SILVER ALL TUBING SEGMENT AND FLANGE ALL SURFACES
  • Waveguide Outside Width: 0.360 INCHES NOMINAL IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Adapter,waveguide, cataloged under National Stock Number 5985-00-778-5158, 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 Us Army Aviation and Missile Command. Government technical data includes 26 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 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
NSN5985-00-778-5158
Primary Part Number7923137
Item NameAdapter,waveguide
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerUs Army Aviation and Missile Command
StatusACTIVE
Flange Inside Width0.362 INCHES NOMINAL SECOND FLANGE IN
Flange Inside Height0.222 INCHES NOMINAL FIRST FLANGE IN
Flange StyleCHOKE TYPE FIRST FLANGE
Flange Depth0.187 INCHES NOMINAL SECOND FLANGE IN
Adapter Length1.688 INCHES NOMINAL IN
Surface TreatmentSILVER ALL TUBING SEGMENT AND FLANGE ALL SURFACES
Waveguide Outside Width0.360 INCHES NOMINAL IN
Style DesignatorWAVEGUIDE TO WAVEGUIDE
Flange Inside Diameter0.500 INCHES NOMINAL FIRST FLANGE IN
Flange Inside Height0.222 INCHES NOMINAL SECOND FLANGE IN
Flange Depth0.210 INCHES NOMINAL FIRST FLANGE IN
Waveguide Inside Height0.140 INCHES NOMINAL IN
Flange Connecting Hole Diameter0.166 INCHES NOMINAL ALL FLANGES ALL CONNECTION FACILITIES IN
Waveguide Inside Width0.280 INCHES NOMINAL IN
Flange Outside Width0.750 INCHES NOMINAL FIRST FLANGE IN
Waveguide Outside Height0.220 INCHES NOMINAL IN
Cross-Sectional Shape StyleINTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR
Flange Outside Height0.750 INCHES NOMINAL SECOND FLANGE IN
Flange StyleCOVER TYPE SECOND FLANGE
Tubing Wall Construction StyleSEAMLESS SINGLE TUBING SEGMENT
Flange Quantity2
Flange Outside Height0.750 INCHES NOMINAL FIRST FLANGE IN
Precious MaterialRHODIUM AND SILVER
Flange Connecting Facility and Quantity4 UNTHREADED HOLE(S) ALL FLANGES ALL CONNECTION FACILITIES
Flange Inside Width0.362 INCHES NOMINAL FIRST FLANGE IN
Precious Material and LocationEXTERNAL SURFACES RHODIUM AND EXTERNAL SURFACES SILVER
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6350-00-054-3391336-3 INTERCHANGEABLE
Bell,electrical
Faraday Llc
5950-00-069-7747331-851-101 INTERCHANGEABLE
Coil,radio Frequency
L3harris Interstate Electronics Corporation
4310-00-174-02901977 INTERCHANGEABLE
Ring,piston
Kaydon Ring & Seal Inc Dba Skf Precision Technologies
6210-00-483-9012336-3 INTERCHANGEABLE
Dimmer,lamp
General Dynamics Ots (aerospace), Inc. Dba General Dynamics Ordinance and Tactical Systems Div Seattle Operations
5950-00-648-3486N217320-1 INTERCHANGEABLE
Transformer,power
Raytheon Company Dba Raytheon Co
5925-00-985-0104 INTERCHANGEABLE
Circuit Breaker
4920-01-046-7360908-3363 INTERCHANGEABLE
Number,tip Target
Honeywell International Inc. Dba Honeywell Div Aerospace -Olathe Hums Div
5330-01-124-299803363 INTERCHANGEABLE
Gasket
Wilshire Corp
5950-01-211-1800128C903H05 INTERCHANGEABLE
Transformer,current
Northrop Grumman Support Services Corp
5998-01-240-99943363 INTERCHANGEABLE
Circuit Card Assembly
Daytronic Corporation
Cross-Reference Index
Part NumberManufacturer
3363 Peraton Inc (USA)
7923137 PRIMARY Us Army Aviation and Missile Command (USA)
PB2L05 Cournand E L and Co Inc
Related Parts
6350-00-054-3391INTERCHANGEABLE
BELL,ELECTRICAL
336-3
5950-00-069-7747INTERCHANGEABLE
COIL,RADIO FREQUENCY
331-851-101
4310-00-174-0290INTERCHANGEABLE
RING,PISTON
1977
6210-00-483-9012INTERCHANGEABLE
DIMMER,LAMP
336-3
5950-00-648-3486INTERCHANGEABLE
TRANSFORMER,POWER
N217320-1
5925-00-985-0104INTERCHANGEABLE
CIRCUIT BREAKER
4920-01-046-7360INTERCHANGEABLE
NUMBER,TIP TARGET
908-3363
5330-01-124-2998INTERCHANGEABLE
GASKET
03363
5950-01-211-1800INTERCHANGEABLE
TRANSFORMER,CURRENT
128C903H05
5998-01-240-9994INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
3363
4720-01-258-6921INTERCHANGEABLE
HOSE ASSEMBLY,VEHICULAR
5310-01-397-7197INTERCHANGEABLE
NUT,PLAIN,HEXAGON
330-33

Frequently Asked Questions

What is NSN 5985-00-778-5158?

NSN 5985-00-778-5158 is a Adapter,waveguide, manufactured by Us Army Aviation and Missile Command, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-00-778-5158?

NSN 5985-00-778-5158 has 3 cross-referenced part numbers: 3363 (Peraton Inc), 7923137 (Us Army Aviation and Missile Command), PB2L05 (Cournand E L and Co Inc).

What NSN replaces 5985-00-778-5158?

There are 12 known substitutes for 5985-00-778-5158: 6350-00-054-3391, 5950-00-069-7747, 4310-00-174-0290 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 7923137?

Key specifications for 7923137: Flange Inside Width: 0.362 INCHES NOMINAL SECOND FLANGE IN; Flange Inside Height: 0.222 INCHES NOMINAL FIRST FLANGE IN; Flange Style: CHOKE TYPE FIRST FLANGE; Flange Depth: 0.187 INCHES NOMINAL SECOND FLANGE IN. 26 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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