The Gravity Reference, cataloged under National Stock Number 6605-00-446-1692, 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. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Item Name | Gravity Reference |
| FSC / FSG | 6605 — Navigational Instruments (FSG 66) |
| Manufacturers | Lockheed Martin Corporation Div Rms - Mitchel Field (CAGE 56232); Northrop Grumman Systems Corporation (CAGE 03956) |
| Parameter | Value |
|---|---|
| NSN | 6605-00-446-1692 |
| Primary Part Number | 1877199 |
| Item Name | Gravity Reference |
| FSC / FSG | 6605 / 66 — Navigational Instruments |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL C — Remove/Demil Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Part Number | Manufacturer |
|---|---|
| 1876430REPC27 | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
| 1877199 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| 1876430REPC27 | Northrop Grumman Systems Corporation (USA) |
| 1877199 | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
NSN 6605-00-446-1692 is a Gravity Reference, manufactured by Northrop Grumman Systems Corporation, classified under FSC 6605, Navigational Instruments. Status: active.
NSN 6605-00-446-1692 has 4 manufacturer part numbers on file: 1876430REPC27 (Lockheed Martin Corporation Div Rms - Mitchel Field), 1877199 (Northrop Grumman Systems Corporation), 1876430REPC27 (Northrop Grumman Systems Corporation), 1877199 (Lockheed Martin Corporation Div Rms - Mitchel Field).
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 6605-00-446-1692 has DEMIL Code C. 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.