NSN 6685-01-663-0686 · NIIN 016630686 · Part number 3842K313
Mcmaster-Carr Supply Co · FSC 6685 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments · FSG 66 — Instruments and Laboratory Equipment · CAGE 39428
Government record, cited
NSN 6685-01-663-0686 — this item is cataloged by the U.S. Government under National Stock Number 6685-01-663-0686. Manufacturer of record part number: 3842K313.
Also searched as6685-01-663-0686 ·
6685016630686 ·
NIIN 016630686 ·
01-663-0686 ·
FSC 6685 Pressure, Temperature, and Humidity Measuring and Controlling Instruments · CAGE 39428 · 3842K313
Nearby stock numbers← 6685-01-662-9910 Thermometer, Indicating, Resistanc
·
6685-01-663-0911 Test Set →
Features
Gage,pressure,dial Indicating — FSC 6685
Overall Diameter: 2.50 INCHES NOMINAL IN
Mounting Connection Location: BOTTOM
Mounting Method: EXTERNAL THREAD
Power Source: EXTERNAL
Connection Type: EXTERNAL
Connection Location: BOTTOM
Connection Quantity: 1
Identification
NSN: 6685-01-663-0686
NIIN: 016630686
FSC: 6685 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments
FSG: 66 — Instruments and Laboratory Equipment
Primary part number: 3842K313
Manufacturer: Mcmaster-Carr Supply Co
General Description
The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-01-663-0686, 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 Mcmaster-Carr Supply Co. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
6685-01-663-0686
Primary Part Number
3842K313
Item Name
Gage,pressure,dial Indicating
FSC / FSG
6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments
Manufacturer
Mcmaster-Carr Supply Co
Status
ACTIVE
Overall Diameter
2.50 INCHES NOMINAL IN
Mounting Connection Location
BOTTOM
Mounting Method
EXTERNAL THREAD
Power Source
EXTERNAL
Connection Type
EXTERNAL
Connection Location
BOTTOM
Connection Quantity
1
Connection Size
0.250 INCH NPT, 18 THREADS PER INCH IN
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
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 6685-01-663-0686?
NSN 6685-01-663-0686 is a Gage,pressure,dial Indicating, manufactured by Mcmaster-Carr Supply Co, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
What part numbers are listed for NSN 6685-01-663-0686?
NSN 6685-01-663-0686 has 1 manufacturer part number on file: 3842K313 (Mcmaster-Carr Supply Co).
What are the specifications of 3842K313?
Key specifications for 3842K313: Overall Diameter: 2.50 INCHES NOMINAL IN; Mounting Connection Location: BOTTOM; Mounting Method: EXTERNAL THREAD; Power Source: EXTERNAL. 8 specifications are documented in the U.S. Government catalog.
Is NSN 6685-01-663-0686 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.