PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

52309Unit,frequency

Naval Air Warfare Ctr Aircraft Div · NSN 5999-01-500-8249 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-01-500-8249 — this item is cataloged by the U.S. Government under National Stock Number 5999-01-500-8249. Primary manufacturer part number: 52309.
Features
  • Unit,frequency — FSC 5999
  • Criticality Code Justification: FEAT
  • Criticality Code Justification: FEAT
  • 1 verified cross-reference
  • Primary manufacturer: Naval Air Warfare Ctr Aircraft Div
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Unit,frequency, cataloged under National Stock Number 5999-01-500-8249, is classified within Federal Supply Class 5999 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Naval Air Warfare Ctr Aircraft Div. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference 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. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5999-01-500-8249
Primary Part Number52309
Item NameUnit,frequency
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerNaval Air Warfare Ctr Aircraft Div
StatusACTIVE
Criticality Code JustificationFEAT
Criticality Code JustificationFEAT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality Code00
Unit of IssueEA
SMR CodeJH
Verified Substitutes 3
5365-00-586-7765SMB157080-2 INTERCHANGEABLE
Shim
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
4520-01-351-581852309 INTERCHANGEABLE
Heating Element,electrical,nonim
Indeeco Llc Dba Indeeco
7025-01-582-974952309 INTERCHANGEABLE
Memory Unit,data Storage
Mercury Systems, Inc. Dba Mercury Systems, Inc
Cross-Reference Index
Part NumberManufacturer
52309 PRIMARY Naval Air Warfare Ctr Aircraft Div (USA)
Related Parts
5365-00-586-7765INTERCHANGEABLE
SHIM
SMB157080-2
4520-01-351-5818INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,NONIM
52309
7025-01-582-9749INTERCHANGEABLE
MEMORY UNIT,DATA STORAGE
52309

Frequently Asked Questions

What is NSN 5999-01-500-8249?

NSN 5999-01-500-8249 is a Unit,frequency, manufactured by Naval Air Warfare Ctr Aircraft Div, classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-01-500-8249?

NSN 5999-01-500-8249 has 1 cross-referenced part number: 52309 (Naval Air Warfare Ctr Aircraft Div).

What NSN replaces 5999-01-500-8249?

There are 3 known substitutes for 5999-01-500-8249: 5365-00-586-7765, 4520-01-351-5818, 7025-01-582-9749. Verify interchangeability with system specifications before substitution.

What are the specifications of 52309?

Key specifications for 52309: Special Features: ITEMS ARE BEING CODED AS CRITICAL TO INSURE SOURCE INSPECTION WILL BE PERFORMED AT THE POINT OF MANUFACTURE, PRIOR TO MATERIAL RECEIPT BY THE US NAVY OR OTHER DOD COMPONENTS. THESE ITEMS ARE PIECE PARTS OR END ITEMS IN SUPPORT OF VITAL MILITARY HARDWARE NECESSARY TO SUSTAIN THE SUCCESSFUL MISSION OF THE SHIPS, SUBMARINES, AND SHORE STATIONS OF THE US NAVY. CRITICAL FEATURES INCLUDING, BUT NOT LIMITED TO, DIMENSIONS, TOLERANCES/CLEARANCES, ELECTRONIC CHARACTERISTICS, AND METALLURGICAL PROPERTIES WILL BESPECIFIED FOR GOVERNMENT Q AR (QUALITY ASSURANCE REPRESENTATIVES) TO INSURE THE HIGHEST POSSIBLE DEGREE OF QUALITY AND RELIABILITY OF THESE PARTS BEING DELIVERED UNDER NAVICP CONTRACTS; Criticality Code Justification: FEAT; Part Name Assigned by Controlling Agency: INTERMEDIATE FREQUENCY; Special Features: ITEMS ARE BEING CODED AS CRITICAL TO INSURE SOURCE INSPECTION WILL BE PERFORMED AT THE POINT OF MANUFACTURE, PRIOR TO MATERIAL RECEIPT BY THE US NAVY OR OTHER DOD COMPONENTS. THESE ITEMS ARE PIECE PARTS OR END ITEMS IN SUPPORT OF VITAL MILITARY HARDWARE NECESSARY TO SUSTAIN THE SUCCESSFUL MISSION OF THE SHIPS, SUBMARINES, AND SHORE STATIONS OF THE US NAVY. CRITICAL FEATURES INCLUDING, BUT NOT LIMITED TO, DIMENSIONS, TOLERANCES/CLEARANCES, ELECTRONIC CHARACTERISTICS, AND METALLURGICAL PROPERTIES WILL BESPECIFIED FOR GOVERNMENT Q AR (QUALITY ASSURANCE REPRESENTATIVES) TO INSURE THE HIGHEST POSSIBLE DEGREE OF QUALITY AND RELIABILITY OF THESE PARTS BEING DELIVERED UNDER NAVICP CONTRACTS. 6 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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