The Bathythermograph Set, cataloged under National Stock Number 6655-01-440-4563, is classified within Federal Supply Class 6655 (Geophysical Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is United States Department of the Navy Dba Naval Surface Warfare Center Panama City. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 6655-01-440-4563 |
| Primary Part Number | 31532 |
| Item Name | Bathythermograph Set |
| FSC / FSG | 6655 / 66 — Geophysical Instruments |
| Manufacturer | United States Department of the Navy Dba Naval Surface Warfare Center Panama City |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 90281 | Sea-Bird Electronics, Inc Dba Sea-Bird Scientific (USA) |
| 31532 PRIMARY | United States Department of the Navy Dba Naval Surface Warfare Center Panama City (USA) |
| Reference | Meaning |
|---|---|
| 90281 | 5/9 Secondary reference Sea-Bird Electronics Inc |
NSN 6655-01-440-4563 is a Bathythermograph Set, manufactured by United States Department of the Navy Dba Naval Surface Warfare Center Panama City, classified under FSC 6655, Geophysical Instruments. Status: active.
NSN 6655-01-440-4563 has 2 manufacturer part numbers on file: 90281 (Sea-Bird Electronics, Inc Dba Sea-Bird Scientific), 31532 (United States Department of the Navy Dba Naval Surface Warfare Center Panama City).
2 possible matches (shared part number, not a government interchangeability claim): 5340-01-553-7496, 6210-01-623-0693. Verify interchangeability with system specifications before substitution.
Key specifications for 31532: Special Features: TEMPERATURE,DEPTH PROBE.RESOLUTION AND OPERATION SUITABLE TO 2000 FEET.TEMPERATURE RANGE: MINUS 5 TO 40 DEGREES CELCIUS FT. 0 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.