PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

9291Telephone Circuit,line Relay

Tellabs Operations, Inc. Dba Tellabs · NSN 5805-01-407-3727 · FSC 5805 · No Item Name Available
Verified by PartsTable
NSN 5805-01-407-3727 — this item is cataloged by the U.S. Government under National Stock Number 5805-01-407-3727. Primary manufacturer part number: 9291.
Features
  • Telephone Circuit,line Relay — FSC 5805
  • 1 verified cross-reference
  • Primary manufacturer: Tellabs Operations, Inc. Dba Tellabs
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Telephone Circuit,line Relay, cataloged under National Stock Number 5805-01-407-3727, is classified within Federal Supply Class 5805 (No Item Name Available) of the Communication, Detection, and Coherent Radiation Equipment group. The primary manufacturer of record is Tellabs Operations, Inc. Dba Tellabs. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameTelephone Circuit,line Relay
FSC / FSG5805 — No Item Name Available (FSG 58)
ManufacturersTellabs Operations, Inc. Dba Tellabs (CAGE 60915)
Technical Specifications
ParameterValue
NSN5805-01-407-3727
Primary Part Number9291
Item NameTelephone Circuit,line Relay
FSC / FSG5805 / 58 — No Item Name Available
ManufacturerTellabs Operations, Inc. Dba Tellabs
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5960-00-170-4438150E1-63S INTERCHANGEABLE
Retainer,electron Tube
Interplex Nascal Inc
5360-00-179-5537929-1 INTERCHANGEABLE
Spring
Fairbanks Morse, Llc
2940-00-566-06942X1672-1 INTERCHANGEABLE
Cap,air Cleaner Intake Pipe
Donaldson Company, Inc.
5955-00-575-9783331093-1 INTERCHANGEABLE
Crystal Unit,quartz
Bae Systems Information and Electronic Systems Integration Inc.
5998-00-763-1485SM-C-500633 INTERCHANGEABLE
Circuit Card Assembly
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
3120-00-871-7880HB4ETL116 INTERCHANGEABLE
Bearing,plain,rod End
U S Bearings
6145-01-118-3177C5770 INTERCHANGEABLE
Cable,radio Frequency
General Cable Corporation Div Corporate
5330-01-270-11679291 INTERCHANGEABLE
Gasket
Carlisle & Finch Co
5340-01-400-10599291 INTERCHANGEABLE
Standoff,threaded,spacing
Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
2910-01-616-74609291 INTERCHANGEABLE
Actuator,electro-Mechanical,line
Precision Governors Llc
Cross-Reference Index
Part NumberManufacturer
9291 Tellabs Operations, Inc. Dba Tellabs (USA)
Related Parts
5960-00-170-4438INTERCHANGEABLE
RETAINER,ELECTRON TUBE
150E1-63S
5360-00-179-5537INTERCHANGEABLE
SPRING
929-1
2940-00-566-0694INTERCHANGEABLE
CAP,AIR CLEANER INTAKE PIPE
2X1672-1
5955-00-575-9783INTERCHANGEABLE
CRYSTAL UNIT,QUARTZ
331093-1
5998-00-763-1485INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
SM-C-500633
3120-00-871-7880INTERCHANGEABLE
BEARING,PLAIN,ROD END
HB4ETL116
6145-01-118-3177INTERCHANGEABLE
CABLE,RADIO FREQUENCY
C5770
5330-01-270-1167INTERCHANGEABLE
GASKET
9291
5340-01-400-1059INTERCHANGEABLE
STANDOFF,THREADED,SPACING
9291
2910-01-616-7460INTERCHANGEABLE
ACTUATOR,ELECTRO-MECHANICAL,LINE
9291
5930-01-643-2019INTERCHANGEABLE
PUSH BUTTON

Frequently Asked Questions

What is NSN 5805-01-407-3727?

NSN 5805-01-407-3727 is a Telephone Circuit,line Relay, manufactured by Tellabs Operations, Inc. Dba Tellabs, classified under FSC 5805 (No Item Name Available). Status: active.

What are the part numbers for NSN 5805-01-407-3727?

NSN 5805-01-407-3727 has 1 cross-referenced part number: 9291 (Tellabs Operations, Inc. Dba Tellabs).

What NSN replaces 5805-01-407-3727?

There are 11 known substitutes for 5805-01-407-3727: 5960-00-170-4438, 5360-00-179-5537, 2940-00-566-0694 and 8 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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