The Sextant,bubble, cataloged under National Stock Number 6605-00-663-8445, is classified within Federal Supply Class 6605 (Navigational Instruments) of the Instruments and Laboratory Equipment group. Government technical data includes 7 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 6605-00-663-8445 |
| Item Name | Sextant,bubble |
| FSC / FSG | 6605 / 66 — Navigational Instruments |
| Status | ACTIVE |
| Operating Time in Minutes | 2.0 |
| Tube Length | 10.812 INCHES NOMINAL IN |
| Averaging Device Type | BALL AND DISK INTEGRATING VARIABLE TIME |
| Altitude Range in Deg | -10.0 TO 92.0 |
| Mounting Method | RING |
| Accessory Components and Quantity | CARRYING CASE 1 |
| Tube Diameter | 1.375 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 1426-02 | 3/2 Design control — primary reference U.S. Government activity |
NSN 6605-00-663-8445 is a Sextant,bubble, classified under FSC 6605, Navigational Instruments. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 5985-01-466-3804, 2915-01-623-5843. Verify interchangeability with system specifications before substitution.
Key specifications for 6605-00-663-8445: Overall Height: 14.750 INCHES NOMINAL IN; Operating Time in Minutes: 2.0; Tube Length: 10.812 INCHES NOMINAL IN; Averaging Device Type: BALL AND DISK INTEGRATING VARIABLE TIME. 7 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 6605-00-663-8445 has DEMIL Code B. 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.