PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12912Equalizer,telephone Line

Altec Lansing Corp Sound Products Div · NSN 5805-00-023-3879 · FSC 5805 · No Item Name Available
Verified by PartsTable
NSN 5805-00-023-3879 — this item is cataloged by the U.S. Government under National Stock Number 5805-00-023-3879. Primary manufacturer part number: 12912.
Features
  • Equalizer,telephone Line — FSC 5805
  • Equalizer Type: BALANCED
  • Audio Frequency Range in Hertz: +150.0 TO 6000.0
  • Mounting Configuration: TERMINAL MTG
  • Terminal Type: CONNECTOR, RECEPTACLE
  • Material: STEEL CASE
  • Functional Description: AMPLITUDE EQUALIZER USED WITH ANY ALTEC AMPLIFIER TO COMPENSATE FOR LINE LOSSES OVER THE SPEECH FREQUENCY BAND. MAY BE USED ON LINES BETWEEN RADIO TRANSMITTING AND RECEIVING STATIONS AND THE ASSOCIATED TERMINAL OFFICE,OR ANY ONE-WAY CIRCUIT FOR COMMERCIAL AUDIO,DATA OR FACSIMILE TRANSMISSION. HIGH AND LOW FREQUENCY CONTROLS ON FRONT PANEL,MODE SELECTOR SWITCH IS PROVIDED TO CHOOSE APPLICABLE CABLE CONDITION IE.,H88,H44,NON LOADED,OR OPEN WIRE
  • Terminal Quantity: 1
Applications
  • Applications requiring Steel Case construction
General Description

The Equalizer,telephone Line, cataloged under National Stock Number 5805-00-023-3879, 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 Altec Lansing Corp Sound Products Div. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5805-00-023-3879
Primary Part Number12912
Item NameEqualizer,telephone Line
FSC / FSG5805 / 58 — No Item Name Available
ManufacturerAltec Lansing Corp Sound Products Div
StatusACTIVE
Equalizer TypeBALANCED
Audio Frequency Range in Hertz+150.0 TO 6000.0
Mounting ConfigurationTERMINAL MTG
Terminal TypeCONNECTOR, RECEPTACLE
MaterialSTEEL CASE
Functional DescriptionAMPLITUDE EQUALIZER USED WITH ANY ALTEC AMPLIFIER TO COMPENSATE FOR LINE LOSSES OVER THE SPEECH FREQUENCY BAND. MAY BE USED ON LINES BETWEEN RADIO TRANSMITTING AND RECEIVING STATIONS AND THE ASSOCIATED TERMINAL OFFICE,OR ANY ONE-WAY CIRCUIT FOR COMMERCIAL AUDIO,DATA OR FACSIMILE TRANSMISSION. HIGH AND LOW FREQUENCY CONTROLS ON FRONT PANEL,MODE SELECTOR SWITCH IS PROVIDED TO CHOOSE APPLICABLE CABLE CONDITION IE.,H88,H44,NON LOADED,OR OPEN WIRE
Terminal Quantity1
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5950-00-005-194412912 INTERCHANGEABLE
Transformer,power
Oeco, Llc Dba Pacific Scientific Oeco Div Fire Safety and Power Systems
3110-00-100-57999180-9121 INTERCHANGEABLE
Bearing,roller,tapered
The Timken Corporation
5340-00-186-9481 INTERCHANGEABLE
Handle,bow
5325-00-571-68168338687 INTERCHANGEABLE
Ring,retaining
U S Army Tank Automotive Command Amsta-Im-Mm
5996-00-816-9320015-0011-00 INTERCHANGEABLE
Amplifier,radio Frequency
Tektronix, Inc.
5325-01-394-6033471015 INTERCHANGEABLE
Ring,retaining
Karl Senner, L.l.c. Dba Karl Senner Inc
5315-01-472-761112912 INTERCHANGEABLE
Pin,straight,headless
Precision Steel Warehouse Inc Precision Brand Products Div
2510-01-619-4510 INTERCHANGEABLE
Frame,structural,vehicular
Cross-Reference Index
Part NumberManufacturer
12912 Altec Lansing Corp Sound Products Div (USA)
MODEL 131 Tm Systems, Inc. Dba Api Technologies Div Api Technologies - Power Solutions (USA)
TLC801 I T I Electronics, Inc. (USA)
12912A R-Tec Systems (USA)
Related Parts
5950-00-005-1944INTERCHANGEABLE
TRANSFORMER,POWER
12912
3110-00-100-5799INTERCHANGEABLE
BEARING,ROLLER,TAPERED
9180-9121
5340-00-186-9481INTERCHANGEABLE
HANDLE,BOW
5325-00-571-6816INTERCHANGEABLE
RING,RETAINING
8338687
5996-00-816-9320INTERCHANGEABLE
AMPLIFIER,RADIO FREQUENCY
015-0011-00
5325-01-394-6033INTERCHANGEABLE
RING,RETAINING
471015
5315-01-472-7611INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
12912
2510-01-619-4510INTERCHANGEABLE
FRAME,STRUCTURAL,VEHICULAR

Frequently Asked Questions

What is NSN 5805-00-023-3879?

NSN 5805-00-023-3879 is a Equalizer,telephone Line, manufactured by Altec Lansing Corp Sound Products Div, classified under FSC 5805 (No Item Name Available). Status: active.

What are the part numbers for NSN 5805-00-023-3879?

NSN 5805-00-023-3879 has 4 cross-referenced part numbers: 12912 (Altec Lansing Corp Sound Products Div), MODEL 131 (Tm Systems, Inc. Dba Api Technologies Div Api Technologies - Power Solutions), TLC801 (I T I Electronics, Inc.), 12912A (R-Tec Systems).

What NSN replaces 5805-00-023-3879?

There are 8 known substitutes for 5805-00-023-3879: 5950-00-005-1944, 3110-00-100-5799, 5340-00-186-9481 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12912?

Key specifications for 12912: Equalizer Type: BALANCED; Audio Frequency Range in Hertz: +150.0 TO 6000.0; Mounting Configuration: TERMINAL MTG; Terminal Type: CONNECTOR, RECEPTACLE. 7 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com