PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21975Circuit Card Assembly

Spectral Dynamics Inc · NSN 5998-01-087-7804 · FSC 5998 · Circuit Card Assembly
Verified by PartsTable
NSN 5998-01-087-7804 — this item is cataloged by the U.S. Government under National Stock Number 5998-01-087-7804. Primary manufacturer part number: 21975.
Features
  • Circuit Card Assembly — FSC 5998
  • 3 verified cross-references
  • Primary manufacturer: Spectral Dynamics 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 5998-01-087-7804, is classified within Federal Supply Class 5998 (Circuit Card Assembly) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Spectral Dynamics Inc. This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5998-01-087-7804
Primary Part Number21975
Item NameCircuit Card Assembly
FSC / FSG5998 / 59 — Circuit Card Assembly
ManufacturerSpectral Dynamics Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality Code00
Unit of IssueEA
SMR CodeV
Verified Substitutes 5
1650-00-403-0333200413089-10 INTERCHANGEABLE
Tube,stack,cylinder
Warner Robins Air Logistics Center
4320-00-679-818121975 INTERCHANGEABLE
Pump Unit,rotary
Industrial Technologies and Services Llc
5935-00-880-2695219-75 INTERCHANGEABLE
Socket,plug-in Electronic Compon
Thales Components Corp Div Thales Components Corporation
5360-01-424-840621975 INTERCHANGEABLE
Spring,helical,compression
Spx Fluid Power
4810-01-517-0496 INTERCHANGEABLE
Valve Assembly,manifold
Cross-Reference Index
Part NumberManufacturer
4831 ITEM 7 Meggitt (orange County), Inc. (USA)
21975 PRIMARY Spectral Dynamics Inc (USA)
21975 Meggitt (orange County), Inc. (USA)
Related Parts
1650-00-403-0333INTERCHANGEABLE
TUBE,STACK,CYLINDER
200413089-10
4320-00-679-8181INTERCHANGEABLE
PUMP UNIT,ROTARY
21975
5935-00-880-2695INTERCHANGEABLE
SOCKET,PLUG-IN ELECTRONIC COMPON
219-75
5360-01-424-8406INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
21975
4810-01-517-0496INTERCHANGEABLE
VALVE ASSEMBLY,MANIFOLD

Frequently Asked Questions

What is NSN 5998-01-087-7804?

NSN 5998-01-087-7804 is a Circuit Card Assembly, manufactured by Spectral Dynamics Inc, classified under FSC 5998 (Circuit Card Assembly). Status: active.

What are the part numbers for NSN 5998-01-087-7804?

NSN 5998-01-087-7804 has 3 cross-referenced part numbers: 4831 ITEM 7 (Meggitt (orange County), Inc.), 21975 (Spectral Dynamics Inc), 21975 (Meggitt (orange County), Inc.).

What NSN replaces 5998-01-087-7804?

There are 5 known substitutes for 5998-01-087-7804: 1650-00-403-0333, 4320-00-679-8181, 5935-00-880-2695 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21975?

Key specifications for 21975: Special Features: PRINTED WIRING BOARD 1,CAPACITOR 15,DIODE 4,TRANSISTOR 4,RESISTOR 18,MICROCIRCUIT 13; Special Features: PRINTED WIRING BOARD 1,CAPACITOR 15,DIODE 4,TRANSISTOR 4,RESISTOR 18,MICROCIRCUIT 13. 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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