The Compass,magnetic,mounted, cataloged under National Stock Number 6605-01-658-8351, is classified within Federal Supply Class 6605 (Navigational Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Ritchie E S and Sons Inc. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6605-01-658-8351 |
| Primary Part Number | F-83-WM |
| Item Name | Compass,magnetic,mounted |
| FSC / FSG | 6605 / 66 — Navigational Instruments |
| Manufacturer | Ritchie E S and Sons Inc |
| Status | ACTIVE |
| Mounting Method | HOLE |
| Supplementary Features | 12V GREEN LED LIGHTING V |
| Illuminated Feature | INCLUDED |
| Compensator Type | CYLINDERS |
| Compensating Feature | INCLUDED |
| Card Size | 76.0 MILLIMETERS MM |
| Fluid Type | 0IL |
| Bowl Shape | SPHERICAL |
| Heeling Correctors | NOT PROVIDED |
| Instrument Type | DRY OR WET |
| Bowl Element Type | CARD |
| Dial Size | 3.0 INCHES IN |
| Smallest Increment in Deg | 5.0 CARD |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| F-83-WM PRIMARY | Ritchie E S and Sons Inc (USA) |
| 10000006334 | Bae Systems Surface Ships Limited (GBR) |
| US-100566 | Uni-Safe Rettungsgerate Gmbh (DEU) |
| F-83-WM | Mancini Srl (ITA) |
| 25.082.31 | Osculati S.r.l (ITA) |
NSN 6605-01-658-8351 is a Compass,magnetic,mounted, manufactured by Ritchie E S and Sons Inc, classified under FSC 6605, Navigational Instruments. Status: active.
NSN 6605-01-658-8351 has 5 manufacturer part numbers on file: F-83-WM (Ritchie E S and Sons Inc), 10000006334 (Bae Systems Surface Ships Limited), US-100566 (Uni-Safe Rettungsgerate Gmbh), F-83-WM (Mancini Srl), 25.082.31 (Osculati S.r.l).
Key specifications for F-83-WM: Overall Height: 55.0 MILLIMETERS NOMINAL MM; Mounting Method: HOLE; Supplementary Features: 12V GREEN LED LIGHTING V; Overall Width: 133.0 MILLIMETERS NOMINAL MM. 13 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.
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.