PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

71940Waveguide Assembly

Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple · NSN 5985-00-918-9312 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-918-9312 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-918-9312. Primary manufacturer part number: 71940.
Features
  • Waveguide Assembly — FSC 5985
  • 2 verified cross-references
  • Primary manufacturer: Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Waveguide Assembly, cataloged under National Stock Number 5985-00-918-9312, 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 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameWaveguide Assembly
FSC / FSG5985 — No Item Name Available (FSG 59)
ManufacturersNorthrop Grumman Systems Corporation Div Es Defensive Systems Division (CAGE 15280); Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple (CAGE 26916)
Technical Specifications
ParameterValue
NSN5985-00-918-9312
Primary Part Number71940
Item NameWaveguide Assembly
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
2530-00-294-7633 INTERCHANGEABLE
Diaphragm,chamber,brake
6635-00-780-1599719-40 INTERCHANGEABLE
Tester,spring Resiliency
Ametek Inc.
6150-00-946-6954719-40 INTERCHANGEABLE
Cable Assembly,power,electrical
Cooper Interconnect, Inc. Dba Cooper Interconnect Div Interconnect
2805-01-347-470572549 INTERCHANGEABLE
Valve,poppet,engine
Simon-Telelect Inc
4820-01-425-285571940 INTERCHANGEABLE
Seat,valve
Spirax Sarco Inc Dba Spirax Sarco
Cross-Reference Index
Part NumberManufacturer
71940 Northrop Grumman Systems Corporation Div Es Defensive Systems Division (USA)
71940 PRIMARY Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple (USA)
Related Parts
2530-00-294-7633INTERCHANGEABLE
DIAPHRAGM,CHAMBER,BRAKE
6635-00-780-1599INTERCHANGEABLE
TESTER,SPRING RESILIENCY
719-40
6150-00-946-6954INTERCHANGEABLE
CABLE ASSEMBLY,POWER,ELECTRICAL
719-40
2805-01-347-4705INTERCHANGEABLE
VALVE,POPPET,ENGINE
72549
4820-01-425-2855INTERCHANGEABLE
SEAT,VALVE
71940

Frequently Asked Questions

What is NSN 5985-00-918-9312?

NSN 5985-00-918-9312 is a Waveguide Assembly, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-00-918-9312?

NSN 5985-00-918-9312 has 2 cross-referenced part numbers: 71940 (Northrop Grumman Systems Corporation Div Es Defensive Systems Division), 71940 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple).

What NSN replaces 5985-00-918-9312?

There are 5 known substitutes for 5985-00-918-9312: 2530-00-294-7633, 6635-00-780-1599, 6150-00-946-6954 and 2 more. Verify interchangeability with system specifications before substitution.

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