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NSN 5998-01-657-3708Government record, cited

Circuit Card Assembly5998-01-657-3708

NSN 5998-01-657-3708 · NIIN 016573708 · Part number 70-166
Hii Unmanned Systems, Inc · FSC 5998 — Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware · FSG 59 — Electrical and Electronic Equipment Components · CAGE 4Z5A9
Government record, cited
NSN 5998-01-657-3708 — this item is cataloged by the U.S. Government under National Stock Number 5998-01-657-3708. Manufacturer of record part number: 70-166.
Also searched as  5998-01-657-3708 · 5998016573708 · NIIN 016573708 · 01-657-3708 · FSC 5998 Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware · CAGE 4Z5A9 · 70-166
Nearby stock numbers  ·
Features
  • Circuit Card Assembly — FSC 5998
  • 1 manufacturer part number on file
  • Manufacturer of record: Hii Unmanned Systems, Inc
Identification
  • NSN: 5998-01-657-3708
  • NIIN: 016573708
  • FSC: 5998 — Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware
  • FSG: 59 — Electrical and Electronic Equipment Components
  • Primary part number: 70-166
  • Manufacturer: Hii Unmanned Systems, Inc
General Description

The Circuit Card Assembly, cataloged under National Stock Number 5998-01-657-3708, 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 Hii Unmanned Systems, Inc. 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.

Catalog Facts
Item NameCircuit Card Assembly
FSC / FSG5998 — Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware (FSG 59)
ManufacturersHii Unmanned Systems, Inc (CAGE 4Z5A9)
Technical Specifications
ParameterValue
NSN5998-01-657-3708
Primary Part Number70-166
Item NameCircuit Card Assembly
FSC / FSG5998 / 59 — Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware
ManufacturerHii Unmanned Systems, Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL Q — CCL Item — Commerce Control List
HazardNo hazard code in the DLA record (HMIC N)
⇄ Related Items 1
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5340-01-690-734670166 POSSIBLE MATCH
SEAT,HELICAL COMPRESSION SPRING
Possible match (shared part number)Macromatic Controls Llc
Cross-Reference Index
Part NumberManufacturer
70-166 PRIMARY Hii Unmanned Systems, Inc (USA)
Related Parts
5340-01-690-7346POSSIBLE MATCH
SEAT,HELICAL COMPRESSION SPRING
70166

Frequently Asked Questions

What is NSN 5998-01-657-3708?

NSN 5998-01-657-3708 is a Circuit Card Assembly, manufactured by Hii Unmanned Systems, Inc, classified under FSC 5998, Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware. Status: active.

What part numbers are listed for NSN 5998-01-657-3708?

NSN 5998-01-657-3708 has 1 manufacturer part number on file: 70-166 (Hii Unmanned Systems, Inc).

What NSN replaces 5998-01-657-3708?

1 possible match (shared part number, not a government interchangeability claim): 5340-01-690-7346. Verify interchangeability with system specifications before substitution.

Is NSN 5998-01-657-3708 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 5998-01-657-3708?

NSN 5998-01-657-3708 has DEMIL Code Q. 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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