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NSN 5998-01-131-4657Government record, cited

Circuit Card Assembly5998-01-131-4657

NSN 5998-01-131-4657 · NIIN 011314657 · Part number 21087
Smiths Aerospace, Inc., Electronic Systems-Grand Rapids · FSC 5998 — Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware · FSG 59 — Electrical and Electronic Equipment Components · CAGE 30377
Government record, cited
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 as  5998-01-131-4657 · 5998011314657 · NIIN 011314657 · 01-131-4657 · FSC 5998 Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware · CAGE 30377 · 21087
Nearby stock numbers  ·
Features
  • Circuit Card Assembly — FSC 5998
  • 1 manufacturer part number on file
  • Manufacturer of record: Smiths Aerospace, Inc., Electronic Systems-Grand Rapids
Identification
  • NSN: 5998-01-131-4657
  • NIIN: 011314657
  • FSC: 5998 — Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware
  • FSG: 59 — Electrical and Electronic Equipment Components
  • Primary part number: 21087
  • Manufacturer: Smiths Aerospace, Inc., Electronic Systems-Grand Rapids
General Description

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
ParameterValue
NSN5998-01-131-4657
Primary Part Number21087
Item NameCircuit Card Assembly
FSC / FSG5998 / 59 — Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware
ManufacturerSmiths Aerospace, Inc., Electronic Systems-Grand Rapids
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL B — Remove Demilitarization Key Points
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
⇄ Related Items 3
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
3040-01-220-0031921203 POSSIBLE MATCH
COLLAR,SHAFT
Possible match (shared part number)Calgon Carbon Uv Technologies Llc Dba Hyde Marine
5998-01-371-480321087 POSSIBLE MATCH
CIRCUIT CARD ASSEMBLY
Possible match (shared part number)Anritsu Instruments Company Div Mbu
1005-01-706-041821087 POSSIBLE MATCH
PIN,FIRING
Possible match (shared part number)Charles Reed Knight Jr Dba Knight's Armament Company
Cross-Reference Index
Part NumberManufacturer
21087 PRIMARY Smiths Aerospace, Inc., Electronic Systems-Grand Rapids (USA)
Related Parts
3040-01-220-0031POSSIBLE MATCH
COLLAR,SHAFT
921203
5998-01-371-4803POSSIBLE MATCH
CIRCUIT CARD ASSEMBLY
21087
1005-01-706-0418POSSIBLE MATCH
PIN,FIRING
21087

Frequently Asked Questions

What is NSN 5998-01-131-4657?

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.
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