PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6569Thermostat,flow Control

Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc · NSN 6685-00-514-3976 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-514-3976 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-514-3976. Primary manufacturer part number: 6569.
Features
  • Thermostat,flow Control — FSC 6685
  • Spring Operated Pressure Relief: NOT PROVIDED
  • Flow Control Device: CHOKE
  • Opening Temp Rating: 165.0 FAHRENHEIT NOMINAL DEGF
  • Mounting Method: FLANGE
  • Thermostat Type: SOLID EXPANSION
  • Valve Travel Distance: 0.375 INCHES MINIMUM AND 0.400 INCHES MAXIMUM IN
  • Operating Temp Rating: 180.0 FAHRENHEIT NOMINAL DEGF
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Thermostat,flow Control, cataloged under National Stock Number 6685-00-514-3976, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6685-00-514-3976
Primary Part Number6569
Item NameThermostat,flow Control
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerDrs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc
StatusACTIVE
Spring Operated Pressure ReliefNOT PROVIDED
Flow Control DeviceCHOKE
Opening Temp Rating165.0 FAHRENHEIT NOMINAL DEGF
Mounting MethodFLANGE
Thermostat TypeSOLID EXPANSION
Valve Travel Distance0.375 INCHES MINIMUM AND 0.400 INCHES MAXIMUM IN
Operating Temp Rating180.0 FAHRENHEIT NOMINAL DEGF
Largest Outside Diameter2.870 INCHES MINIMUM AND 2.878 INCHES MAXIMUM IN
Usage DesignDESIGNED FOR COOLING SYSTEM CONTROL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
4720-00-059-3390AE145-9 INTERCHANGEABLE
Tubing,nonmetallic
Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution
6610-00-181-5687JH6569 INTERCHANGEABLE
Pointer Assembly
Sigma Tek, Inc.
5940-01-076-6362410-GP-Y-11 INTERCHANGEABLE
Terminal Board
Regal Beloit America, Inc
3530-01-179-65316569 INTERCHANGEABLE
Needle,sewing Machine
Sears, Roebuck and Co. Dba Sears Div Sears Commercial
5945-01-346-14576569 INTERCHANGEABLE
Solenoid,electrical
Rocker Solenoid Co Dba Rocker Solenoid Co
6105-01-611-08486569 INTERCHANGEABLE
Motor,alternating Current
Atmost Refrigeration Company, Inc. Div Atmost Refrigeration
2940-01-625-9194FIL 6569 INTERCHANGEABLE
Filter Element,intake Air Cleane
National Automotive Parts Assn/napa/
Cross-Reference Index
Part NumberManufacturer
6569 PRIMARY Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc (USA)
157D1-1305 PRIMARY Kurz & Root Generator Company, Llc (USA)
Related Parts
4720-00-059-3390INTERCHANGEABLE
TUBING,NONMETALLIC
AE145-9
6610-00-181-5687INTERCHANGEABLE
POINTER ASSEMBLY
JH6569
5940-01-076-6362INTERCHANGEABLE
TERMINAL BOARD
410-GP-Y-11
3530-01-179-6531INTERCHANGEABLE
NEEDLE,SEWING MACHINE
6569
5945-01-346-1457INTERCHANGEABLE
SOLENOID,ELECTRICAL
6569
6105-01-611-0848INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT
6569
2940-01-625-9194INTERCHANGEABLE
FILTER ELEMENT,INTAKE AIR CLEANE
FIL 6569

Frequently Asked Questions

What is NSN 6685-00-514-3976?

NSN 6685-00-514-3976 is a Thermostat,flow Control, manufactured by Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc, classified under FSC 6685 (No Item Name Available). Status: active.

What are the part numbers for NSN 6685-00-514-3976?

NSN 6685-00-514-3976 has 2 cross-referenced part numbers: 6569 (Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc), 157D1-1305 (Kurz & Root Generator Company, Llc).

What NSN replaces 6685-00-514-3976?

There are 7 known substitutes for 6685-00-514-3976: 4720-00-059-3390, 6610-00-181-5687, 5940-01-076-6362 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6569?

Key specifications for 6569: Spring Operated Pressure Relief: NOT PROVIDED; Flow Control Device: CHOKE; Opening Temp Rating: 165.0 FAHRENHEIT NOMINAL DEGF; Mounting Method: FLANGE. 10 total characteristics are documented in the Federal Logistics Information System.

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