The Inertial Navigation System, cataloged under National Stock Number 6605-01-477-8931, is classified within Federal Supply Class 6605 (Navigational Instruments) of the Instruments and Laboratory Equipment group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6605-01-477-8931 |
| Item Name | Inertial Navigation System |
| FSC / FSG | 6605 / 66 — Navigational Instruments |
| Status | ACTIVE |
| Phase | SINGLE |
| Frequency in Hertz | 400.0 |
| Current Type | AC/DC |
| Mounting Method | SHELF |
| Reference Data and Literature | DRAWING 9835336 AND TYPE DESIGNATOR CN-1656 |
| Voltage in Volts | 115.0 AND 28.0 |
| Functional Description | SENSES AND OUTPUT 3 ORTHOGONAL AXIS OF LINEAR AND ROTATIONAL ACCELERATION,VELOCITY ACCELERATION |
| Type/model Designation | CN1656 |
| Nuclear Hardness Critical Feature | HARDENED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | H |
| Reference | Meaning |
|---|---|
| CN1656 | 5/1 Secondary reference U.S. Government activity |
| SNU 84-1 | 3/1 Design control — primary reference U.S. Government activity |
| 9835336-10 | 7/1 Vendor item drawing reference U.S. Government activity |
NSN 6605-01-477-8931 is a Inertial Navigation System, classified under FSC 6605, Navigational Instruments. Status: active.
Key specifications for 6605-01-477-8931: Overall Height: 7.625 INCHES NOMINAL IN; Phase: SINGLE; Frequency in Hertz: 400.0; Current Type: AC/DC. 9 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 6605-01-477-8931 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.