NSN 1990-01-657-3420 · NIIN 016573420 · Part number 103356
Hii Unmanned Systems, Inc · FSC 1990 — Miscellaneous Vessels · FSG 19 — Ships, Small Craft, Pontoons, and Floating Docks · CAGE 4Z5A9
Government record, cited
NSN 1990-01-657-3420 — this item is cataloged by the U.S. Government under National Stock Number 1990-01-657-3420. Manufacturer of record part number: 103356.
Also searched as1990-01-657-3420 ·
1990016573420 ·
NIIN 016573420 ·
01-657-3420 ·
FSC 1990 Miscellaneous Vessels · CAGE 4Z5A9 · 103356
FSG: 19 — Ships, Small Craft, Pontoons, and Floating Docks
Primary part number: 103356
Manufacturer: Hii Unmanned Systems, Inc
General Description
The Endcap, cataloged under National Stock Number 1990-01-657-3420, is classified within Federal Supply Class 1990 (Miscellaneous Vessels) of the Ships, Small Craft, Pontoons, and Floating Docks 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. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Catalog Facts
Item Name
Endcap
FSC / FSG
1990 — Miscellaneous Vessels (FSG 19)
Manufacturers
Hii Unmanned Systems, Inc (CAGE 4Z5A9)
Technical Specifications
Parameter
Value
NSN
1990-01-657-3420
Primary Part Number
103356
Item Name
Endcap
FSC / FSG
1990 / 19 — Miscellaneous Vessels
Manufacturer
Hii Unmanned Systems, Inc
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
⇄Related Items2
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
NSN 1990-01-657-3420 is a Endcap, manufactured by Hii Unmanned Systems, Inc, classified under FSC 1990, Miscellaneous Vessels. Status: active.
What part numbers are listed for NSN 1990-01-657-3420?
NSN 1990-01-657-3420 has 1 manufacturer part number on file: 103356 (Hii Unmanned Systems, Inc).
What NSN replaces 1990-01-657-3420?
2 possible matches (shared part number, not a government interchangeability claim): 6130-01-672-6155, 5995-01-709-0690. Verify interchangeability with system specifications before substitution.
Is NSN 1990-01-657-3420 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.
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.