PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

26657-504Circuit Card Assembly

Drs Advanced Isr, Llc · NSN 5998-01-308-7657 · FSC 5998 · Circuit Card Assembly
Verified by PartsTable
NSN 5998-01-308-7657 — this item is cataloged by the U.S. Government under National Stock Number 5998-01-308-7657. Primary manufacturer part number: 26657-504.
Features
  • Circuit Card Assembly — FSC 5998
  • Criticality Code Justification: CBBL
  • Features Provided: ELECTROSTATIC SENSITIVE
  • Criticality Code Justification: CBBL
  • Features Provided: ELECTROSTATIC SENSITIVE
  • 2 verified cross-references
  • Primary manufacturer: Drs Advanced Isr, Llc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Circuit Card Assembly, cataloged under National Stock Number 5998-01-308-7657, is classified within Federal Supply Class 5998 (Circuit Card Assembly) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Drs Advanced Isr, Llc. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5998-01-308-7657
Primary Part Number26657-504
Item NameCircuit Card Assembly
FSC / FSG5998 / 59 — Circuit Card Assembly
ManufacturerDrs Advanced Isr, Llc
StatusACTIVE
Criticality Code JustificationCBBL
Features ProvidedELECTROSTATIC SENSITIVE
Criticality Code JustificationCBBL
Features ProvidedELECTROSTATIC SENSITIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality Code00
Unit of IssueEA
SMR CodeCD
Weight2.5000 lbs
Cube0.2109 cu ft
Verified Substitutes 6
6140-00-057-2553 INTERCHANGEABLE
Battery,storage
3010-00-773-1074 INTERCHANGEABLE
Coupling Half,shaft
1660-00-842-304826657-3 INTERCHANGEABLE
Parts Kit,regulator
Avox Systems Inc Dba Avox Systems Inc
5950-01-088-152226657-010 INTERCHANGEABLE
Transformer,power
Wireless Data Corporation
5975-01-424-852426657-1 INTERCHANGEABLE
Support,electrical Cable
Smiths Aerospace, Inc., Electronic Systems-Grand Rapids
5975-01-424-852526657-2 INTERCHANGEABLE
Support,electrical Cable
Smiths Aerospace, Inc., Electronic Systems-Grand Rapids
Cross-Reference Index
Part NumberManufacturer
26657-504 PRIMARY Drs Advanced Isr, Llc (USA)
26657 Drs Advanced Isr, Llc (USA)
Related Parts
6140-00-057-2553INTERCHANGEABLE
BATTERY,STORAGE
3010-00-773-1074INTERCHANGEABLE
COUPLING HALF,SHAFT
1660-00-842-3048INTERCHANGEABLE
PARTS KIT,REGULATOR
26657-3
5950-01-088-1522INTERCHANGEABLE
TRANSFORMER,POWER
26657-010
5975-01-424-8524INTERCHANGEABLE
SUPPORT,ELECTRICAL CABLE
26657-1
5975-01-424-8525INTERCHANGEABLE
SUPPORT,ELECTRICAL CABLE
26657-2

Frequently Asked Questions

What is NSN 5998-01-308-7657?

NSN 5998-01-308-7657 is a Circuit Card Assembly, manufactured by Drs Advanced Isr, Llc, classified under FSC 5998 (Circuit Card Assembly). Status: active.

What are the part numbers for NSN 5998-01-308-7657?

NSN 5998-01-308-7657 has 2 cross-referenced part numbers: 26657-504 (Drs Advanced Isr, Llc), 26657 (Drs Advanced Isr, Llc).

What NSN replaces 5998-01-308-7657?

There are 6 known substitutes for 5998-01-308-7657: 6140-00-057-2553, 3010-00-773-1074, 1660-00-842-3048 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 26657-504?

Key specifications for 26657-504: Special Features: PWB 1; CAP 48; DIODE 5; RES 10; IC 41; EJECTOR 2; End Item Identification: AN/TYQ-23(V)1(V)2; Criticality Code Justification: CBBL; Features Provided: ELECTROSTATIC SENSITIVE. 8 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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