PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

37000-561Mixer,crystal,waveguide

Systron-Donner Corp Microwave/instrument Div · NSN 5985-01-021-1353 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-01-021-1353 — this item is cataloged by the U.S. Government under National Stock Number 5985-01-021-1353. Primary manufacturer part number: 37000-561.
Features
  • Mixer,crystal,waveguide — FSC 5985
  • FSC Application Data: ANTENNAS,WAVEGUIDES AND RELATED EQUIP.
  • Crystal Designator: 32000-993
  • Local Oscillator Input Adjustability: ADJUSTABLE
  • Usage Design: RADAR SET GROUP
  • Frequency Range Rating: +12.4 TO 18.0 GIGAHERTZ
  • Joint Electronics Type Designation System Item Type Number: AN/USM-394
  • 3 verified cross-references
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Mixer,crystal,waveguide, cataloged under National Stock Number 5985-01-021-1353, 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 Systron-Donner Corp Microwave/instrument Div. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, 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
NSN5985-01-021-1353
Primary Part Number37000-561
Item NameMixer,crystal,waveguide
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerSystron-Donner Corp Microwave/instrument Div
StatusACTIVE
FSC Application DataANTENNAS,WAVEGUIDES AND RELATED EQUIP.
Crystal Designator32000-993
Local Oscillator Input AdjustabilityADJUSTABLE
Usage DesignRADAR SET GROUP
Frequency Range Rating+12.4 TO 18.0 GIGAHERTZ
Joint Electronics Type Designation System Item Type NumberAN/USM-394
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
6650-00-130-0847109334 INTERCHANGEABLE
Prism,optical Instrument
Astronautics Corporation of America
6675-00-353-4103 INTERCHANGEABLE
Pin,surveying,case Hardened
7025-01-383-5940 INTERCHANGEABLE
Disk Drive Unit
Cross-Reference Index
Part NumberManufacturer
37000-561 Systron-Donner Corp Microwave/instrument Div (USA)
7120A Systron-Donner Corp Microwave/instrument Div (USA)
109334 Systron-Donner Corp Microwave/instrument Div (USA)
Related Parts
6650-00-130-0847INTERCHANGEABLE
PRISM,OPTICAL INSTRUMENT
109334
6675-00-353-4103INTERCHANGEABLE
PIN,SURVEYING,CASE HARDENED
7025-01-383-5940INTERCHANGEABLE
DISK DRIVE UNIT

Frequently Asked Questions

What is NSN 5985-01-021-1353?

NSN 5985-01-021-1353 is a Mixer,crystal,waveguide, manufactured by Systron-Donner Corp Microwave/instrument Div, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-01-021-1353?

NSN 5985-01-021-1353 has 3 cross-referenced part numbers: 37000-561 (Systron-Donner Corp Microwave/instrument Div), 7120A (Systron-Donner Corp Microwave/instrument Div), 109334 (Systron-Donner Corp Microwave/instrument Div).

What NSN replaces 5985-01-021-1353?

There are 3 known substitutes for 5985-01-021-1353: 6650-00-130-0847, 6675-00-353-4103, 7025-01-383-5940. Verify interchangeability with system specifications before substitution.

What are the specifications of 37000-561?

Key specifications for 37000-561: FSC Application Data: ANTENNAS,WAVEGUIDES AND RELATED EQUIP.; Crystal Designator: 32000-993; Local Oscillator Input Adjustability: ADJUSTABLE; Usage Design: RADAR SET GROUP. 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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