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NSN 5998-01-266-9743Government record, cited

Circuit Card Assembly5998-01-266-9743

NSN 5998-01-266-9743 · NIIN 012669743 · Part number 104-403
L-3 Communications Microdyne · FSC 5998 — Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware · FSG 59 — Electrical and Electronic Equipment Components · CAGE 4S260
Government record, cited
NSN 5998-01-266-9743 — this item is cataloged by the U.S. Government under National Stock Number 5998-01-266-9743. Manufacturer of record part number: 104-403.
Also searched as  5998-01-266-9743 · 5998012669743 · NIIN 012669743 · 01-266-9743 · FSC 5998 Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware · CAGE 4S260 · 104-403
Nearby stock numbers  ·
Features
  • Circuit Card Assembly — FSC 5998
  • Criticality Code Justification: CBBL
  • Features Provided: ELECTROSTATIC SENSITIVE
  • 1 manufacturer part number on file
  • Manufacturer of record: L-3 Communications Microdyne
Identification
  • NSN: 5998-01-266-9743
  • NIIN: 012669743
  • FSC: 5998 — Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware
  • FSG: 59 — Electrical and Electronic Equipment Components
  • Primary part number: 104-403
  • Manufacturer: L-3 Communications Microdyne
General Description

The Circuit Card Assembly, cataloged under National Stock Number 5998-01-266-9743, is classified within Federal Supply Class 5998 (Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware) of the Electrical and Electronic Equipment Components group. The manufacturer of record is L-3 Communications Microdyne. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5998-01-266-9743
Primary Part Number104-403
Item NameCircuit Card Assembly
FSC / FSG5998 / 59 — Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware
ManufacturerL-3 Communications Microdyne
StatusACTIVE
Criticality Code JustificationCBBL
Features ProvidedELECTROSTATIC SENSITIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL D — Destroy Item
HazardNo hazard code in the DLA record (HMIC N)
Shelf Life Code0
Criticality CodeY
Unit of IssueEA
Acquisition advice codeJN
⇄ Related Items 1
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
7025-01-643-9883104403 POSSIBLE MATCH
DISK DRIVE UNIT
Possible match (shared part number)Systel Inc
Cross-Reference Index
Part NumberManufacturer
104-403 PRIMARY L-3 Communications Microdyne (USA)
Related Parts
7025-01-643-9883POSSIBLE MATCH
DISK DRIVE UNIT
104403

Frequently Asked Questions

What is NSN 5998-01-266-9743?

NSN 5998-01-266-9743 is a Circuit Card Assembly, manufactured by L-3 Communications Microdyne, classified under FSC 5998, Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware. Status: active.

What part numbers are listed for NSN 5998-01-266-9743?

NSN 5998-01-266-9743 has 1 manufacturer part number on file: 104-403 (L-3 Communications Microdyne).

What NSN replaces 5998-01-266-9743?

1 possible match (shared part number, not a government interchangeability claim): 7025-01-643-9883. Verify interchangeability with system specifications before substitution.

What are the specifications of 104-403?

Key specifications for 104-403: Criticality Code Justification: CBBL; Features Provided: ELECTROSTATIC SENSITIVE; Part Name Assigned by Controlling Agency: GPIB; End Item Identification: SAT OPR CNTR. 2 specifications are documented in the U.S. Government catalog.

Is NSN 5998-01-266-9743 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

What is the DEMIL code for NSN 5998-01-266-9743?

NSN 5998-01-266-9743 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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