PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

18910Circuit Card Assembly

Custom Metering Company Inc · NSN 5998-00-498-2621 · FSC 5998 · Circuit Card Assembly
Verified by PartsTable
NSN 5998-00-498-2621 — this item is cataloged by the U.S. Government under National Stock Number 5998-00-498-2621. Primary manufacturer part number: 18910.
Features
  • Circuit Card Assembly — FSC 5998
  • 3 verified cross-references
  • Primary manufacturer: Custom Metering Company Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Circuit Card Assembly, cataloged under National Stock Number 5998-00-498-2621, is classified within Federal Supply Class 5998 (Circuit Card Assembly) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Custom Metering Company Inc. This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5998-00-498-2621
Primary Part Number18910
Item NameCircuit Card Assembly
FSC / FSG5998 / 59 — Circuit Card Assembly
ManufacturerCustom Metering Company Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeX
Verified Substitutes 4
5950-00-231-481005601 INTERCHANGEABLE
Transformer,audio Frequency
L3harris Technologies, Inc. Div Space and Airborne Systems
5950-00-935-233711688086 INTERCHANGEABLE
Transformer,audio Frequency
Army, United States Department of the Dba Rock Island Arsenal Jmtc
5962-01-055-8207 INTERCHANGEABLE
Microcircuit,digital
1015-01-513-1527 INTERCHANGEABLE
Mount,mortar
Cross-Reference Index
Part NumberManufacturer
18910 Metermaster Inc Metermod Div (USA)
18910 Trio Laboratories Inc (USA)
18910 PRIMARY Custom Metering Company Inc (USA)
Related Parts
5950-00-231-4810INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
05601
5950-00-935-2337INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
11688086
5962-01-055-8207INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
1015-01-513-1527INTERCHANGEABLE
MOUNT,MORTAR

Frequently Asked Questions

What is NSN 5998-00-498-2621?

NSN 5998-00-498-2621 is a Circuit Card Assembly, manufactured by Custom Metering Company Inc, classified under FSC 5998 (Circuit Card Assembly). Status: active.

What are the part numbers for NSN 5998-00-498-2621?

NSN 5998-00-498-2621 has 3 cross-referenced part numbers: 18910 (Metermaster Inc Metermod Div), 18910 (Trio Laboratories Inc), 18910 (Custom Metering Company Inc).

What NSN replaces 5998-00-498-2621?

There are 4 known substitutes for 5998-00-498-2621: 5950-00-231-4810, 5950-00-935-2337, 5962-01-055-8207 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 18910?

Key specifications for 18910: Special Features: RESISTOR 12,CAPACITOR 4,PRINTED WIRING BOARD 1; Overall Width: 3.125 INCHES NOMINAL IN; Part Name Assigned by Controlling Agency: FSC APPLICATION DATA: VOLTMETER,TEST SET; Overall Height: 0.500 INCHES NOMINAL IN. 10 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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