NSN 6685-01-483-8261 · NIIN 014838261 · Part number TC53900
Semco Instruments, Inc. Dba Harcosemco · FSC 6685 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments · FSG 66 — Instruments and Laboratory Equipment · CAGE 24735
Government record, cited
NSN 6685-01-483-8261 — this item is cataloged by the U.S. Government under National Stock Number 6685-01-483-8261. Manufacturer of record part number: TC53900.
Also searched as6685-01-483-8261 ·
6685014838261 ·
NIIN 014838261 ·
01-483-8261 ·
FSC 6685 Pressure, Temperature, and Humidity Measuring and Controlling Instruments · CAGE 24735 · TC53900 · 4321055
Manufacturer of record: Semco Instruments, Inc. Dba Harcosemco
Identification
NSN: 6685-01-483-8261
NIIN: 014838261
FSC: 6685 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments
FSG: 66 — Instruments and Laboratory Equipment
Primary part number: TC53900
Manufacturer: Semco Instruments, Inc. Dba Harcosemco
General Description
The Thermocouple,immersion, cataloged under National Stock Number 6685-01-483-8261, is classified within Federal Supply Class 6685 (Pressure, Temperature, and Humidity Measuring and Controlling Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Semco Instruments, Inc. Dba Harcosemco. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
6685-01-483-8261
Primary Part Number
TC53900
Item Name
Thermocouple,immersion
FSC / FSG
6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments
Manufacturer
Semco Instruments, Inc. Dba Harcosemco
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL D — Destroy Item
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
Other items in FSC 6685 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
6685-00-001-1475
6685-00-001-1475 · Item name not on file
6685-00-001-1503
CONTROL,TOTALIZER
6685-00-001-1643
6685-00-001-1643 · Item name not on file
6685-00-001-1711
GAGE,PRESSURE,DIAL INDICATING
6685-00-001-2099
6685-00-001-2099 · Item name not on file
6685-00-001-2100
6685-00-001-2100 · Item name not on file
6685-00-001-2101
6685-00-001-2101 · Item name not on file
6685-00-001-2102
6685-00-001-2102 · Item name not on file
Frequently Asked Questions
What is NSN 6685-01-483-8261?
NSN 6685-01-483-8261 is a Thermocouple,immersion, manufactured by Semco Instruments, Inc. Dba Harcosemco, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
What part numbers are listed for NSN 6685-01-483-8261?
NSN 6685-01-483-8261 has 2 manufacturer part numbers on file: 4321055 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), TC53900 (Semco Instruments, Inc. Dba Harcosemco).
What are the specifications of TC53900?
Key specifications for TC53900: End Item Identification: F119 ENGINE, USED ON F22 AIRCRAFT. 0 specifications are documented in the U.S. Government catalog.
Is NSN 6685-01-483-8261 hazardous material?
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
What is the DEMIL code for NSN 6685-01-483-8261?
NSN 6685-01-483-8261 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.
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.