PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

121SCAV127-7Waveguide Assembly

Northrop Grumman Systems Corporation · NSN 5985-00-983-1050 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-983-1050 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-983-1050. Primary manufacturer part number: 121SCAV127-7.
Features
  • Waveguide Assembly — FSC 5985
  • Cross-Sectional Shape Style: INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR
  • FSC Application Data: RADAR SET,AIRBORNE
  • Flexibility: FLEXIBLE SINGLE TUBING SEGMENT
  • Waveguide Center to Center Distance: 8.000 INCHES NOMINAL IN
  • Waveguide Longer Leg Length: 9.125 INCHES NOMINAL IN
  • Tubing Wall Construction Style: SEAMLESS SINGLE TUBING SEGMENT
  • Style Designator: U-BEND TYPE
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Waveguide Assembly, cataloged under National Stock Number 5985-00-983-1050, 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. Government technical data includes 8 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-00-983-1050
Primary Part Number121SCAV127-7
Item NameWaveguide Assembly
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation
StatusACTIVE
Cross-Sectional Shape StyleINTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR
FSC Application DataRADAR SET,AIRBORNE
FlexibilityFLEXIBLE SINGLE TUBING SEGMENT
Waveguide Center to Center Distance8.000 INCHES NOMINAL IN
Waveguide Longer Leg Length9.125 INCHES NOMINAL IN
Tubing Wall Construction StyleSEAMLESS SINGLE TUBING SEGMENT
Style DesignatorU-BEND TYPE
Flange Quantity2
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
2530-00-368-4901D72435A INTERCHANGEABLE
Brake Assy
U S Army Tank Automotive Command Amsta-Im-Mm
5360-00-838-292946398 INTERCHANGEABLE
Spring,helical,compression
Triumph Engine Control Systems Llc
5342-01-298-087346398 INTERCHANGEABLE
Cover,protective,generator
Williams International Co., L.l.c.
Cross-Reference Index
Part NumberManufacturer
121SCAV127-7 PRIMARY Northrop Grumman Systems Corporation (USA)
46398 Page Chester Ltd Dba Cooperative Industries Div Cooperative Industries Aerospace Defense (USA)
46398 Mega Industries Inc Mega Microwave Div (USA)
Related Parts
2530-00-368-4901INTERCHANGEABLE
BRAKE ASSY
D72435A
5360-00-838-2929INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
46398
5342-01-298-0873INTERCHANGEABLE
COVER,PROTECTIVE,GENERATOR
46398

Frequently Asked Questions

What is NSN 5985-00-983-1050?

NSN 5985-00-983-1050 is a Waveguide Assembly, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-00-983-1050?

NSN 5985-00-983-1050 has 3 cross-referenced part numbers: 121SCAV127-7 (Northrop Grumman Systems Corporation), 46398 (Page Chester Ltd Dba Cooperative Industries Div Cooperative Industries Aerospace Defense), 46398 (Mega Industries Inc Mega Microwave Div).

What NSN replaces 5985-00-983-1050?

There are 3 known substitutes for 5985-00-983-1050: 2530-00-368-4901, 5360-00-838-2929, 5342-01-298-0873. Verify interchangeability with system specifications before substitution.

What are the specifications of 121SCAV127-7?

Key specifications for 121SCAV127-7: Cross-Sectional Shape Style: INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR; FSC Application Data: RADAR SET,AIRBORNE; Flexibility: FLEXIBLE SINGLE TUBING SEGMENT; Waveguide Center to Center Distance: 8.000 INCHES NOMINAL IN. 8 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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