PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

TS-509/URMeter,field Strength

Joint Electronics Type Designation System · NSN 6625-00-553-8421 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-553-8421 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-553-8421. Primary manufacturer part number: TS-509/UR.
Features
  • Meter,field Strength — FSC 6625
  • Frequency Response Range: +100.000 TO 400.000 MEGAHERTZ
  • Frequency Response Range: +100.000 TO 400.000 MEGAHERTZ
  • 2 verified cross-references
  • Primary manufacturer: Joint Electronics Type Designation System
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Meter,field Strength, cataloged under National Stock Number 6625-00-553-8421, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Joint Electronics Type Designation System. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 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
NSN6625-00-553-8421
Primary Part NumberTS-509/UR
Item NameMeter,field Strength
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerJoint Electronics Type Designation System
StatusACTIVE
Frequency Response Range+100.000 TO 400.000 MEGAHERTZ
Frequency Response Range+100.000 TO 400.000 MEGAHERTZ
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5330-00-378-724327122H INTERCHANGEABLE
Gasket
Navistar Intl Corp Truck Br Ohio Plant
5950-00-434-4350 INTERCHANGEABLE
Transformer,power
6625-00-669-403291B1008 INTERCHANGEABLE
Meter,field Strength
Entron Industries Limited Partnership Dba Entron Industries Property Div
Cross-Reference Index
Part NumberManufacturer
TS-509/UR Joint Electronics Type Designation System (USA)
D557 Avionics Corp of America (USA)
Related Parts
5330-00-378-7243INTERCHANGEABLE
GASKET
27122H
5950-00-434-4350INTERCHANGEABLE
TRANSFORMER,POWER
6625-00-669-4032INTERCHANGEABLE
METER,FIELD STRENGTH
91B1008

Frequently Asked Questions

What is NSN 6625-00-553-8421?

NSN 6625-00-553-8421 is a Meter,field Strength, manufactured by Joint Electronics Type Designation System, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-00-553-8421?

NSN 6625-00-553-8421 has 2 cross-referenced part numbers: TS-509/UR (Joint Electronics Type Designation System), D557 (Avionics Corp of America).

What NSN replaces 6625-00-553-8421?

There are 3 known substitutes for 6625-00-553-8421: 5330-00-378-7243, 5950-00-434-4350, 6625-00-669-4032. Verify interchangeability with system specifications before substitution.

What are the specifications of TS-509/UR?

Key specifications for TS-509/UR: Frequency Response Range: +100.000 TO 400.000 MEGAHERTZ; Overall Width: 4.875 INCHES NOMINAL IN; Overall Length: 7.688 INCHES NOMINAL IN; Overall Height: 6.000 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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