PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40518Thermostat,flow Control

Sullair Corp · NSN 6685-01-305-4043 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-01-305-4043 — this item is cataloged by the U.S. Government under National Stock Number 6685-01-305-4043. Primary manufacturer part number: 40518.
Features
  • Thermostat,flow Control — FSC 6685
  • Operating Temp Rating: 125.0 FAHRENHEIT MINIMUM DEGF
  • Usage Design: CONTROL OIL FLOW
  • 1 verified cross-reference
  • Primary manufacturer: Sullair 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 6685-01-305-4043, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Sullair Corp. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6685-01-305-4043
Primary Part Number40518
Item NameThermostat,flow Control
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerSullair Corp
StatusACTIVE
Operating Temp Rating125.0 FAHRENHEIT MINIMUM DEGF
Usage DesignCONTROL OIL FLOW
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
1730-00-909-7222 INTERCHANGEABLE
Adapter,oxygen Generator
5342-01-119-18304051-8 INTERCHANGEABLE
Plate
Meggitt North Hollywood Inc
5330-01-155-179840518 INTERCHANGEABLE
Gasket
Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions
5330-01-178-953640518 INTERCHANGEABLE
Parts Kit,seal Replacement,mecha
Mti Insulated Products Inc.
6645-01-238-741640518 INTERCHANGEABLE
Timer
Cleveland Range, Llc
5305-01-242-264572130 INTERCHANGEABLE
Screw,cap,socket Head
H-K Connecticut Holding Company
Cross-Reference Index
Part NumberManufacturer
40518 PRIMARY Sullair Corp (USA)
Related Parts
1730-00-909-7222INTERCHANGEABLE
ADAPTER,OXYGEN GENERATOR
5342-01-119-1830INTERCHANGEABLE
PLATE
4051-8
5330-01-155-1798INTERCHANGEABLE
GASKET
40518
5330-01-178-9536INTERCHANGEABLE
PARTS KIT,SEAL REPLACEMENT,MECHA
40518
6645-01-238-7416INTERCHANGEABLE
TIMER
40518
5305-01-242-2645INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
72130

Frequently Asked Questions

What is NSN 6685-01-305-4043?

NSN 6685-01-305-4043 is a Thermostat,flow Control, manufactured by Sullair Corp, classified under FSC 6685 (No Item Name Available). Status: active.

What are the part numbers for NSN 6685-01-305-4043?

NSN 6685-01-305-4043 has 1 cross-referenced part number: 40518 (Sullair Corp).

What NSN replaces 6685-01-305-4043?

There are 6 known substitutes for 6685-01-305-4043: 1730-00-909-7222, 5342-01-119-1830, 5330-01-155-1798 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 40518?

Key specifications for 40518: Operating Temp Rating: 125.0 FAHRENHEIT MINIMUM DEGF; Usage Design: CONTROL OIL FLOW. 2 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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