PartsTable TECHNICAL DATA SHEET
NSN 6660-01-686-5541Government record, cited

Thermograph6660-01-686-5541

NSN 6660-01-686-5541 · NIIN 016865541 · Part number 21.111S
Sea-Bird Electronics, Inc Dba Sea-Bird Scientific · FSC 6660 — Meteorological Instruments and Apparatus · FSG 66 — Instruments and Laboratory Equipment · CAGE 09CV6
Government record, cited
NSN 6660-01-686-5541 — this item is cataloged by the U.S. Government under National Stock Number 6660-01-686-5541. Manufacturer of record part number: 21.111S.
Also searched as  6660-01-686-5541 · 6660016865541 · NIIN 016865541 · 01-686-5541 · FSC 6660 Meteorological Instruments and Apparatus · CAGE 09CV6 · 21.111S
Nearby stock numbers  ·
Features
  • Thermograph — FSC 6660
  • 1 manufacturer part number on file
  • Manufacturer of record: Sea-Bird Electronics, Inc Dba Sea-Bird Scientific
Identification
  • NSN: 6660-01-686-5541
  • NIIN: 016865541
  • FSC: 6660 — Meteorological Instruments and Apparatus
  • FSG: 66 — Instruments and Laboratory Equipment
  • Primary part number: 21.111S
  • Manufacturer: Sea-Bird Electronics, Inc Dba Sea-Bird Scientific
General Description

The Thermograph, cataloged under National Stock Number 6660-01-686-5541, is classified within Federal Supply Class 6660 (Meteorological Instruments and Apparatus) of the Instruments and Laboratory Equipment group. The manufacturer of record is Sea-Bird Electronics, Inc Dba Sea-Bird Scientific. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6660-01-686-5541
Primary Part Number21.111S
Item NameThermograph
FSC / FSG6660 / 66 — Meteorological Instruments and Apparatus
ManufacturerSea-Bird Electronics, Inc Dba Sea-Bird Scientific
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
21.111S PRIMARY Sea-Bird Electronics, Inc Dba Sea-Bird Scientific (USA)
No interchangeability data on file.
Other items in FSC 6660 — Meteorological Instruments and Apparatus
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
6660-00-001-4140
6660-00-001-4140 · Item name not on file
6660-00-003-0531
6660-00-003-0531 · Item name not on file
6660-00-003-2019
6660-00-003-2019 · Item name not on file
6660-00-003-8587
6660-00-003-8587 · Item name not on file
6660-00-004-3757
6660-00-004-3757 · Item name not on file
6660-00-004-3758
6660-00-004-3758 · Item name not on file
6660-00-004-3759
6660-00-004-3759 · Item name not on file
6660-00-004-3760
6660-00-004-3760 · Item name not on file

Frequently Asked Questions

What is NSN 6660-01-686-5541?

NSN 6660-01-686-5541 is a Thermograph, manufactured by Sea-Bird Electronics, Inc Dba Sea-Bird Scientific, classified under FSC 6660, Meteorological Instruments and Apparatus. Status: active.

What part numbers are listed for NSN 6660-01-686-5541?

NSN 6660-01-686-5541 has 1 manufacturer part number on file: 21.111S (Sea-Bird Electronics, Inc Dba Sea-Bird Scientific).

What are the specifications of 21.111S?

Key specifications for 21.111S: Special Features: CONTROLLIER COMPATIBILITY:SBE 38;NUMBER OF CHANNELS:4 SINGLE-ENDED INPUTS (AUXILIARY A/D);WATER JACKET:YES; Part Name Assigned by Controlling Agency: THERMOSALINOGRAPH; End Item Identification: RESEARCH VESSEL HESPERIDES. 0 specifications are documented in the U.S. Government catalog.

Is NSN 6660-01-686-5541 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

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.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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