The Compass,magnetic,mounted, cataloged under National Stock Number 6605-01-388-6437, 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 14 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. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6605-01-388-6437 |
| Primary Part Number | SS-5000 |
| Item Name | Compass,magnetic,mounted |
| FSC / FSG | 6605 / 66 — Navigational Instruments |
| Manufacturer | Ritchie E S and Sons Inc |
| Status | ACTIVE |
| Illuminated Location | UNDER |
| Design Type | SIDE READING |
| Overall Diameter | 7.500 INCHES NOMINAL IN |
| Mounting Method | HOLE |
| Illuminated Feature | INCLUDED |
| Compensator Type | CYLINDERS |
| Compensating Feature | INCLUDED |
| Card Size | 5.000 INCHES IN |
| Fluid Type | ANY ACCEPTABLE |
| Bowl Shape | SPHERICAL |
| Heeling Correctors | PROVIDED |
| Instrument Type | WET |
| Bowl Element Type | CARD |
| Smallest Increment in Deg | 5.0 DIAL |
| 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 |
|---|---|
| SS-5000 PRIMARY | Ritchie E S and Sons Inc (USA) |
NSN 6605-01-388-6437 is a Compass,magnetic,mounted, manufactured by Ritchie E S and Sons Inc, classified under FSC 6605, Navigational Instruments. Status: active.
NSN 6605-01-388-6437 has 1 manufacturer part number on file: SS-5000 (Ritchie E S and Sons Inc).
2 possible matches (shared part number, not a government interchangeability claim): 8010-01-590-3953, 2910-01-654-0578. Verify interchangeability with system specifications before substitution.
Key specifications for SS-5000: Illuminated Location: UNDER; Design Type: SIDE READING; Overall Diameter: 7.500 INCHES NOMINAL IN; Mounting Method: HOLE. 14 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.