NSN 5998-01-131-4657 — this item is cataloged by the U.S. Government under National Stock Number 5998-01-131-4657. Manufacturer of record part number: 21087.
Also searched as5998-01-131-4657 ·
5998011314657 ·
NIIN 011314657 ·
01-131-4657 ·
FSC 5998 Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware · CAGE 30377 · 21087
The Circuit Card Assembly, cataloged under National Stock Number 5998-01-131-4657, 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 Smiths Aerospace, Inc., Electronic Systems-Grand Rapids. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5998-01-131-4657
Primary Part Number
21087
Item Name
Circuit Card Assembly
FSC / FSG
5998 / 59 — Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware
NSN 5998-01-131-4657 is a Circuit Card Assembly, manufactured by Smiths Aerospace, Inc., Electronic Systems-Grand Rapids, classified under FSC 5998, Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware. Status: active.
What part numbers are listed for NSN 5998-01-131-4657?
NSN 5998-01-131-4657 has 1 manufacturer part number on file: 21087 (Smiths Aerospace, Inc., Electronic Systems-Grand Rapids).
What NSN replaces 5998-01-131-4657?
3 possible matches (shared part number, not a government interchangeability claim): 3040-01-220-0031, 5998-01-371-4803, 1005-01-706-0418. Verify interchangeability with system specifications before substitution.
What are the specifications of 21087?
Key specifications for 21087: Special Features: PRINTED WIRING BOARD 1; CONNECTOR 1; CAPACITOR 6; MICROCIRCUIT 16. 0 specifications are documented in the U.S. Government catalog.
Is NSN 5998-01-131-4657 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 5998-01-131-4657?
NSN 5998-01-131-4657 has DEMIL Code B. 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.