General Characteristics Item Description: HERMETICAL SEAL
Identification
NSN: 5840-00-491-8285
NIIN: 004918285
FSC: 5840 — Radar Equipment, Except Airborne
FSG: 58 — Communication, Detection, and Coherent Radiation Equipment
General Description
The Coil-Diode-Relay, cataloged under National Stock Number 5840-00-491-8285, is classified within Federal Supply Class 5840 (Radar Equipment, Except Airborne) of the Communication, Detection, and Coherent Radiation Equipment group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5840-00-491-8285
Item Name
Coil-Diode-Relay
FSC / FSG
5840 / 58 — Radar Equipment, Except Airborne
Status
ACTIVE
General Characteristics Item Description
HERMETICAL SEAL
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL C — Remove/Demil Key Points
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
13A1K1
3/2Design control — primary reference
U.S. Government activity
No interchangeability data on file.
Other items in FSC 5840 — Radar Equipment, Except Airborne
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5840-00-001-1605
5840-00-001-1605 · Item name not on file
5840-00-001-1606
5840-00-001-1606 · Item name not on file
5840-00-001-1607
5840-00-001-1607 · Item name not on file
5840-00-001-1608
5840-00-001-1608 · Item name not on file
5840-00-001-1609
5840-00-001-1609 · Item name not on file
5840-00-001-1610
5840-00-001-1610 · Item name not on file
5840-00-001-1611
5840-00-001-1611 · Item name not on file
5840-00-001-1612
5840-00-001-1612 · Item name not on file
Frequently Asked Questions
What is NSN 5840-00-491-8285?
NSN 5840-00-491-8285 is a Coil-Diode-Relay, classified under FSC 5840, Radar Equipment, Except Airborne. Status: active.
What are the specifications of 5840-00-491-8285?
Key specifications for 5840-00-491-8285: General Characteristics Item Description: HERMETICAL SEAL. 1 specification is documented in the U.S. Government catalog.
Is NSN 5840-00-491-8285 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 5840-00-491-8285?
NSN 5840-00-491-8285 has DEMIL Code C. 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.