NSN 6685-01-644-7757 · NIIN 016447757 · Part number 4026AS422-1
Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier · FSC 6685 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments · FSG 66 — Instruments and Laboratory Equipment · CAGE 30003
Government record, cited
NSN 6685-01-644-7757 — this item is cataloged by the U.S. Government under National Stock Number 6685-01-644-7757. Manufacturer of record part number: 4026AS422-1.
Also searched as6685-01-644-7757 ·
6685016447757 ·
NIIN 016447757 ·
01-644-7757 ·
FSC 6685 Pressure, Temperature, and Humidity Measuring and Controlling Instruments · CAGE 30003 · 4026AS422-1
Scale Range: +0.0 TO 2000.0 POUNDS PER SQUARE INCH LBS
Material: STEEL CORROSION RESISTING CASE
Connection Quantity: 1
1 manufacturer part number on file
Manufacturer of record: Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
Identification
NSN: 6685-01-644-7757
NIIN: 016447757
FSC: 6685 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments
FSG: 66 — Instruments and Laboratory Equipment
Primary part number: 4026AS422-1
Manufacturer: Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
General Description
The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-01-644-7757, 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 Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 3 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
6685-01-644-7757
Primary Part Number
4026AS422-1
Item Name
Gage,pressure,dial Indicating
FSC / FSG
6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments
Manufacturer
Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
Status
ACTIVE
Scale Range
+0.0 TO 2000.0 POUNDS PER SQUARE INCH LBS
Material
STEEL CORROSION RESISTING CASE
Connection Quantity
1
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA)
No interchangeability data on file.
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 6685-01-644-7757?
NSN 6685-01-644-7757 is a Gage,pressure,dial Indicating, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
What part numbers are listed for NSN 6685-01-644-7757?
NSN 6685-01-644-7757 has 1 manufacturer part number on file: 4026AS422-1 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
What are the specifications of 4026AS422-1?
Key specifications for 4026AS422-1: Scale Range: +0.0 TO 2000.0 POUNDS PER SQUARE INCH LBS; Part Name Assigned by Controlling Agency: PRESSURE GAUGE ASSEMBLY; End Item Identification: PART NUMBER 4026AS420-1; Material: STEEL CORROSION RESISTING CASE. 3 specifications are documented in the U.S. Government catalog.
Is NSN 6685-01-644-7757 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.