PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

400ATest Set,radio Frequency Power

Joslyn Products · NSN 6625-00-958-5311 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-958-5311 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-958-5311. Primary manufacturer part number: 400A.
Features
  • Test Set,radio Frequency Power — FSC 6625
  • Width: 7.250 INCHES NOMINAL IN
  • Measurement Unit: PEAK POWER
  • Height: 8.000 INCHES NOMINAL IN
  • Input Frequency Range: +960.000 TO 1215.000 MEGAHERTZ
  • Reference Data and Literature: TO 33A1-12-479-21
  • Phase: SINGLE
  • Input Impedance Rating: 50.0 OHMS NOMINAL
Applications
  • Applications requiring Aluminum Housing construction
General Description

The Test Set,radio Frequency Power, cataloged under National Stock Number 6625-00-958-5311, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Joslyn Products. Government technical data includes 30 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-00-958-5311
Primary Part Number400A
Item NameTest Set,radio Frequency Power
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerJoslyn Products
StatusACTIVE
Width7.250 INCHES NOMINAL IN
Measurement UnitPEAK POWER
Height8.000 INCHES NOMINAL IN
Input Frequency Range+960.000 TO 1215.000 MEGAHERTZ
Reference Data and LiteratureTO 33A1-12-479-21
PhaseSINGLE
Input Impedance Rating50.0 OHMS NOMINAL
Surface TreatmentPAINT
Scale Direction and Range0 TO 5 AND 1.0 TO 20 CLOCKWISE
Document Source94668
Scale Unit of Measure InscriptionWATTS AND VOLTAGE STANDING WAVE RATIO
Length8.750 INCHES NOMINAL IN
MaterialALUMINUM HOUSING
Radio Frequency Input Power Rating0.0 WATTS MINIMUM AND 5000.0 WATTS MAXIMUM
Frequency Rating50.0 HERTZ MINIMUM AND 1000.0 HERTZ MAXIMUM
AC Voltage Rating105.0 VOLTS MINIMUM AND 125.0 VOLTS MAXIMUM
Enclosure FeatureSINGLE ITEM W/HOUSING
Surface TreatmentPAINT
Width7.250 INCHES NOMINAL IN
Measurement UnitPEAK POWER
Height8.000 INCHES NOMINAL IN
Input Frequency Range+960.000 TO 1215.000 MEGAHERTZ
Reference Data and LiteratureTO 33A1-12-479-21
PhaseSINGLE
Input Impedance Rating50.0 OHMS NOMINAL
Scale Direction and Range0 TO 5 AND 1.0 TO 20 CLOCKWISE
Document Source94668
Scale Unit of Measure InscriptionWATTS AND VOLTAGE STANDING WAVE RATIO
Length8.750 INCHES NOMINAL IN
MaterialALUMINUM HOUSING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality CodeS
Unit of IssueEA
SMR CodeXS
Weight10.0000 lbs
Cube3.3276 cu ft
Verified Substitutes 12
6625-00-553-8152400A SUCCESSOR
Voltmeter
Agilent Technologies, Inc. Div Agilent Technologies Headquarters
6515-00-065-960040A-1 INTERCHANGEABLE
Booth,audiometric Examination
Industrial Acoustics Company, Inc. Dba I a C Div Iac Acoustics
3895-00-221-1694 INTERCHANGEABLE
Extractor,pile,powered
5325-00-371-8108BS 78505 INTERCHANGEABLE
Clinch Plate,turnbutton Fastener
Morito Scovill Americas, Llc Dba Scovill Manufacturing
3010-00-474-1330400A INTERCHANGEABLE
Actuator,electro-Mechanical,line
Ge Aviation Systems Llc
4510-00-482-4660400A INTERCHANGEABLE
Valve,flush
Fluidmaster Inc
5835-00-550-7734 INTERCHANGEABLE
Recorder-Reproducer,sound
3520-00-621-0805 INTERCHANGEABLE
Finishing Machine,shoe
5961-00-775-0384400A INTERCHANGEABLE
Semiconductor Device,diode
Lucent Technologies Inc Corporate Headquarters
4730-00-853-1657 INTERCHANGEABLE
Strainer,sediment
Cross-Reference Index
Part NumberManufacturer
400A PRIMARY Joslyn Products (USA)
Related Parts
6625-00-553-8152SUCCESSOR
VOLTMETER
400A
6515-00-065-9600INTERCHANGEABLE
BOOTH,AUDIOMETRIC EXAMINATION
40A-1
3895-00-221-1694INTERCHANGEABLE
EXTRACTOR,PILE,POWERED
5325-00-371-8108INTERCHANGEABLE
CLINCH PLATE,TURNBUTTON FASTENER
BS 78505
3010-00-474-1330INTERCHANGEABLE
ACTUATOR,ELECTRO-MECHANICAL,LINE
400A
4510-00-482-4660INTERCHANGEABLE
VALVE,FLUSH
400A
5835-00-550-7734INTERCHANGEABLE
RECORDER-REPRODUCER,SOUND
3520-00-621-0805INTERCHANGEABLE
FINISHING MACHINE,SHOE
5961-00-775-0384INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
400A
4730-00-853-1657INTERCHANGEABLE
STRAINER,SEDIMENT
4230-00-892-5745INTERCHANGEABLE
DECONTAMINATING APPARATUS
4931-01-014-0939INTERCHANGEABLE
OSCILLATOR,PLUG-IN
400A

Frequently Asked Questions

What is NSN 6625-00-958-5311?

NSN 6625-00-958-5311 is a Test Set,radio Frequency Power, manufactured by Joslyn Products, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-00-958-5311?

NSN 6625-00-958-5311 has 1 cross-referenced part number: 400A (Joslyn Products).

What NSN replaces 6625-00-958-5311?

There are 12 known substitutes for 6625-00-958-5311: 6625-00-553-8152, 6515-00-065-9600, 3895-00-221-1694 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 400A?

Key specifications for 400A: Width: 7.250 INCHES NOMINAL IN; Measurement Unit: PEAK POWER; Height: 8.000 INCHES NOMINAL IN; Input Frequency Range: +960.000 TO 1215.000 MEGAHERTZ. 30 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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