Thermostat, Flow Control6685-01-302-9719

NSN 6685-01-302-9719 · NIIN 013029719 · Part number 3278811

Hatch & Kirk, Inc. · FSC 6685 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments · FSG 66 — Instruments and Laboratory Equipment · CAGE 55380

Government record, cited

NSN 6685-01-302-9719 — this item is cataloged by the U.S. Government under National Stock Number 6685-01-302-9719. Manufacturer of record part number: 3278811.

Also searched as 6685-01-302-9719 · 6685013029719 · NIIN 013029719 · 01-302-9719 · FSC 6685 Pressure, Temperature, and Humidity Measuring and Controlling Instruments · CAGE 55380 · 3278811

Nearby stock numbers ← 6685-01-302-9718 Thermostat, Flow Control · 6685-01-302-9727 Gage, Pressure, Dial Indicating →

Features

Thermostat,flow Control — FSC 6685
1 manufacturer part number on file
Manufacturer of record: Hatch & Kirk, Inc.

Identification

NSN: 6685-01-302-9719
NIIN: 013029719
FSC: 6685 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments
FSG: 66 — Instruments and Laboratory Equipment
Primary part number: 3278811
Manufacturer: Hatch & Kirk, Inc.

General Description

The Thermostat,flow Control, cataloged under National Stock Number 6685-01-302-9719, 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 Hatch & Kirk, Inc.. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	6685-01-302-9719
Primary Part Number	3278811
Item Name	Thermostat,flow Control
FSC / FSG	6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments
Manufacturer	Hatch & Kirk, Inc.
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	Possible hazard — SDS may be required (DLA HMIC P)
Criticality Code	X

⇄ Related Items 1

Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.

6680-01-305-8245 POSSIBLE MATCH

THERMOSTAT ELEM ASS

Possible match (shared part number)

Cross-Reference Index

Part Number	Manufacturer
3278811 PRIMARY	Hatch & Kirk, Inc. (USA)

Related Parts

6680-01-305-8245POSSIBLE MATCH

THERMOSTAT ELEM ASS

Frequently Asked Questions

What is NSN 6685-01-302-9719?

NSN 6685-01-302-9719 is a Thermostat,flow Control, manufactured by Hatch & Kirk, Inc., classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.

What part numbers are listed for NSN 6685-01-302-9719?

NSN 6685-01-302-9719 has 1 manufacturer part number on file: 3278811 (Hatch & Kirk, Inc.).

What NSN replaces 6685-01-302-9719?

1 possible match (shared part number, not a government interchangeability claim): 6680-01-305-8245. Verify interchangeability with system specifications before substitution.

What are the specifications of 3278811?

Key specifications for 3278811: End Item Identification: ENGINE DSL 3. 0 specifications are documented in the U.S. Government catalog.

Is NSN 6685-01-302-9719 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.

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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