The Inertial Navigation System, cataloged under National Stock Number 6605-01-573-5494, is classified within Federal Supply Class 6605 (Navigational Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6605-01-573-5494 |
| Primary Part Number | 311925-1302 |
| Item Name | Inertial Navigation System |
| FSC / FSG | 6605 / 66 — Navigational Instruments |
| Manufacturer | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp |
| Status | ACTIVE |
| Functional Description | INTERIAL MEASURING UNIT USED FOR BALANCE WITHIN THE AIRCRAFT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 311925-1302 PRIMARY | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA) |
| Reference | Meaning |
|---|---|
| 311925-1302 | 5/9 Secondary reference U.S. Government activity |
NSN 6605-01-573-5494 is a Inertial Navigation System, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp, classified under FSC 6605, Navigational Instruments. Status: active.
NSN 6605-01-573-5494 has 1 manufacturer part number on file: 311925-1302 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp).
Key specifications for 311925-1302: Special Features: ESD; Functional Description: INTERIAL MEASURING UNIT USED FOR BALANCE WITHIN THE AIRCRAFT; End Item Identification: F-22 RAPTOR. 1 specification is 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 6605-01-573-5494 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.