PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M-21SElectronic Components Assembly

Toa Electronics Inc · NSN 5998-01-453-0757 · FSC 5998 · Circuit Card Assembly
Verified by PartsTable
NSN 5998-01-453-0757 — this item is cataloged by the U.S. Government under National Stock Number 5998-01-453-0757. Primary manufacturer part number: M-21S.
Features
  • Electronic Components Assembly — FSC 5998
  • 2 verified cross-references
  • Primary manufacturer: Toa Electronics Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Electronic Components Assembly, cataloged under National Stock Number 5998-01-453-0757, is classified within Federal Supply Class 5998 (Circuit Card Assembly) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Toa Electronics Inc. This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5998-01-453-0757
Primary Part NumberM-21S
Item NameElectronic Components Assembly
FSC / FSG5998 / 59 — Circuit Card Assembly
ManufacturerToa Electronics Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeJ
Verified Substitutes 8
3110-00-100-0647594 INTERCHANGEABLE
Cone and Rollers,tapered Roller
Rbc Bearings Incorporated Div West Trenton Division
3110-00-100-4221 INTERCHANGEABLE
Bearing,roller,tapered
3110-00-554-3358 INTERCHANGEABLE
Bearing,ball,annular
6135-00-643-3485412 INTERCHANGEABLE
Battery,nonrechargeable
Eveready Battery Co Inc
2320-00-834-45098344509 INTERCHANGEABLE
Truck,dump
U S Army Tank Automotive Command Amsta-Im-Mm
2320-00-834-45108344510 INTERCHANGEABLE
Truck,dump
U S Army Tank Automotive Command Amsta-Im-Mm
4330-00-906-159541150-F INTERCHANGEABLE
Pneumatic Muffler,exhaust-Intake
Cummins Filtration Inc.
4910-01-080-4031 INTERCHANGEABLE
Engine,analyzer
Cross-Reference Index
Part NumberManufacturer
M-21S Toa Electronics Inc (USA)
M-215 Toa Electronics Inc (USA)
Related Parts
3110-00-100-0647INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
594
3110-00-100-4221INTERCHANGEABLE
BEARING,ROLLER,TAPERED
3110-00-554-3358INTERCHANGEABLE
BEARING,BALL,ANNULAR
6135-00-643-3485INTERCHANGEABLE
BATTERY,NONRECHARGEABLE
412
2320-00-834-4509INTERCHANGEABLE
TRUCK,DUMP
8344509
2320-00-834-4510INTERCHANGEABLE
TRUCK,DUMP
8344510
4330-00-906-1595INTERCHANGEABLE
PNEUMATIC MUFFLER,EXHAUST-INTAKE
41150-F
4910-01-080-4031INTERCHANGEABLE
ENGINE,ANALYZER

Frequently Asked Questions

What is NSN 5998-01-453-0757?

NSN 5998-01-453-0757 is a Electronic Components Assembly, manufactured by Toa Electronics Inc, classified under FSC 5998 (Circuit Card Assembly). Status: active.

What are the part numbers for NSN 5998-01-453-0757?

NSN 5998-01-453-0757 has 2 cross-referenced part numbers: M-21S (Toa Electronics Inc), M-215 (Toa Electronics Inc).

What NSN replaces 5998-01-453-0757?

There are 8 known substitutes for 5998-01-453-0757: 3110-00-100-0647, 3110-00-100-4221, 3110-00-554-3358 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of M-21S?

Key specifications for M-21S: End Item Identification: PANEL,AMPLIFIER E/I CAGE 63544; End Item Identification: PANEL,AMPLIFIER E/I CAGE 63544. 2 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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