PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

T-9685Modulator,radar

Pulse Systems, Inc. · NSN 5840-01-478-8454 · FSC 5840 · No Item Name Available
Verified by PartsTable
NSN 5840-01-478-8454 — this item is cataloged by the U.S. Government under National Stock Number 5840-01-478-8454. Primary manufacturer part number: T-9685.
Features
  • Modulator,radar — FSC 5840
  • Surface Luster: MIRROR
  • Storage Type: GENERAL PURPOSE WAREHOUSE
  • Test Data Document: 8X691-00132101 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING)
  • Basic Shape Style: RECTANGULAR OR SQUARE
  • Inclosure Type: HERMETICALLY SEALED
  • Average Life Rating: 50000.0
  • Operating Temp Range: -40.0 TO 65.0 CELSIUS DEGC
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Modulator,radar, cataloged under National Stock Number 5840-01-478-8454, is classified within Federal Supply Class 5840 (No Item Name Available) of the Communication, Detection, and Coherent Radiation Equipment group. The primary manufacturer of record is Pulse Systems, Inc.. Government technical data includes 14 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5840-01-478-8454
Primary Part NumberT-9685
Item NameModulator,radar
FSC / FSG5840 / 58 — No Item Name Available
ManufacturerPulse Systems, Inc.
StatusACTIVE
Surface LusterMIRROR
Storage TypeGENERAL PURPOSE WAREHOUSE
Test Data Document8X691-00132101 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING)
Basic Shape StyleRECTANGULAR OR SQUARE
Inclosure TypeHERMETICALLY SEALED
Average Life Rating50000.0
Operating Temp Range-40.0 TO 65.0 CELSIUS DEGC
Environmental ProtectionSALT SPRAY RESISTANT
Circuit Construction TypeSOLID STATE
Maximum Operating Altitude Rating10000.0 FEET FT
Average Life MeasurementHOURS
ColorGRAY/GREY
Reliability IndicatorESTABLISHED
Storage Temp Range-62.0 TO 75.0 CELSIUS DEGC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
3120-00-410-6769 INTERCHANGEABLE
Bushing,sleeve
5950-00-856-86279188578 INTERCHANGEABLE
Transformer,power
Us Army Aviation and Missile Command
Cross-Reference Index
Part NumberManufacturer
T-9685 PRIMARY Pulse Systems, Inc. (USA)
00132101 PRIMARY Sierra Nevada Company, Llc (USA)
Related Parts
3120-00-410-6769INTERCHANGEABLE
BUSHING,SLEEVE
5950-00-856-8627INTERCHANGEABLE
TRANSFORMER,POWER
9188578

Frequently Asked Questions

What is NSN 5840-01-478-8454?

NSN 5840-01-478-8454 is a Modulator,radar, manufactured by Pulse Systems, Inc., classified under FSC 5840 (No Item Name Available). Status: active.

What are the part numbers for NSN 5840-01-478-8454?

NSN 5840-01-478-8454 has 2 cross-referenced part numbers: T-9685 (Pulse Systems, Inc.), 00132101 (Sierra Nevada Company, Llc).

What NSN replaces 5840-01-478-8454?

There are 2 known substitutes for 5840-01-478-8454: 3120-00-410-6769, 5950-00-856-8627. Verify interchangeability with system specifications before substitution.

What are the specifications of T-9685?

Key specifications for T-9685: Surface Luster: MIRROR; Storage Type: GENERAL PURPOSE WAREHOUSE; Test Data Document: 8X691-00132101 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING); Basic Shape Style: RECTANGULAR OR SQUARE. 16 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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