The Inertial Navigation, cataloged under National Stock Number 5840-01-665-7838, is classified within Federal Supply Class 5840 (Radar Equipment, Except Airborne) of the Communication, Detection, and Coherent Radiation Equipment group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 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.
| Parameter | Value |
|---|---|
| NSN | 5840-01-665-7838 |
| Primary Part Number | 8598493-001 |
| Item Name | Inertial Navigation |
| FSC / FSG | 5840 / 58 — Radar Equipment, Except Airborne |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Supplementary Features | ITEM FULL NAME: INERTIAL NAVIGATION SYSTEM/DOPPLER VELOCITY LOG (INS/DVL) |
| Criticality Code Justification | FEAT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 8598493-001 PRIMARY | Naval Sea Systems Command (USA) |
NSN 5840-01-665-7838 is a Inertial Navigation, manufactured by Naval Sea Systems Command, classified under FSC 5840, Radar Equipment, Except Airborne. Status: active.
NSN 5840-01-665-7838 has 1 manufacturer part number on file: 8598493-001 (Naval Sea Systems Command).
1 possible match (shared part number, not a government interchangeability claim): 6150-01-733-2194. Verify interchangeability with system specifications before substitution.
Key specifications for 8598493-001: Supplementary Features: ITEM FULL NAME: INERTIAL NAVIGATION SYSTEM/DOPPLER VELOCITY LOG (INS/DVL); Criticality Code Justification: FEAT; Special Features: QUALITY ASSURANCE TESTED AND CERTIFIED FOR DEEP SUBMERGENCE SYSTEMS; Part Name Assigned by Controlling Agency: INS/DVL. 2 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 5840-01-665-7838 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.
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.