PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3311797-5Thermostat,flow Control

Lockheed Martin Corp · NSN 6685-01-408-7755 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-01-408-7755 — this item is cataloged by the U.S. Government under National Stock Number 6685-01-408-7755. Primary manufacturer part number: 3311797-5.
Features
  • Thermostat,flow Control — FSC 6685
  • 6 verified cross-references
  • Primary manufacturer: Lockheed Martin Corp
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Thermostat,flow Control, cataloged under National Stock Number 6685-01-408-7755, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Lockheed Martin Corp. This item has 6 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameThermostat,flow Control
FSC / FSG6685 — No Item Name Available (FSG 66)
ManufacturersLockheed Martin Corp (CAGE 98897); Jednolity Indeks Materialowy - Uniform Material Index (CAGE 9009H); Ge Aviation Systems Llc Dba Ge Aviation Systems Llc (CAGE 05624); Globe Motors, Inc. Dba Allient Dayton (CAGE 25140)
Technical Specifications
ParameterValue
NSN6685-01-408-7755
Primary Part Number3311797-5
Item NameThermostat,flow Control
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerLockheed Martin Corp
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
4140-00-564-598019A513 INTERCHANGEABLE
Fan,centrifugal
Globe Motors, Inc. Dba Allient Dothan
4140-01-392-045319A3011 INTERCHANGEABLE
Fan,tubeaxial
Globe Motors, Inc. Dba Allient Dayton
5905-01-396-8551AYLF52267 INTERCHANGEABLE
Resistor,thermal
Symetrics Industries, Llc Dba Extant Aerospace Div Symetrics Industries Dba Extant Aerospace
Cross-Reference Index
Part NumberManufacturer
3311797-5 PRIMARY Lockheed Martin Corp (USA)
6685PL2074320 Jednolity Indeks Materialowy - Uniform Material Index (POL)
AYLF52267 Ge Aviation Systems Llc Dba Ge Aviation Systems Llc (USA)
19A3011 Globe Motors, Inc. Dba Allient Dayton (USA)
695324 Lockheed Martin Corp (USA)
3311797 Lockheed Martin Corp (USA)
Related Parts
4140-00-564-5980INTERCHANGEABLE
FAN,CENTRIFUGAL
19A513
4140-01-392-0453INTERCHANGEABLE
FAN,TUBEAXIAL
19A3011
5905-01-396-8551INTERCHANGEABLE
RESISTOR,THERMAL
AYLF52267

Frequently Asked Questions

What is NSN 6685-01-408-7755?

NSN 6685-01-408-7755 is a Thermostat,flow Control, manufactured by Lockheed Martin Corp, classified under FSC 6685 (No Item Name Available). Status: active.

What are the part numbers for NSN 6685-01-408-7755?

NSN 6685-01-408-7755 has 6 cross-referenced part numbers: 3311797-5 (Lockheed Martin Corp), 6685PL2074320 (Jednolity Indeks Materialowy - Uniform Material Index), AYLF52267 (Ge Aviation Systems Llc Dba Ge Aviation Systems Llc), 19A3011 (Globe Motors, Inc. Dba Allient Dayton), 695324 (Lockheed Martin Corp) and 1 more.

What NSN replaces 6685-01-408-7755?

There are 3 known substitutes for 6685-01-408-7755: 4140-00-564-5980, 4140-01-392-0453, 5905-01-396-8551. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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