PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

10443-4Indicator,sight,liquid

Testek Llc Dba Testek Solutions · NSN 6680-01-005-8019 · FSC 6680 · No Item Name Available
Verified by PartsTable
NSN 6680-01-005-8019 — this item is cataloged by the U.S. Government under National Stock Number 6680-01-005-8019. Primary manufacturer part number: 10443-4.
Features
  • Indicator,sight,liquid — FSC 6680
  • Surface Treatment: ANODIZE
  • Nominal Pipe Size for Which Designed: UNABLE TO DECODE
  • Bolt Hole Diameter: UNABLE TO DECODE
  • Thread Series Designator: UNABLE TO DECODE
  • Thread Direction: UNABLE TO DECODE
  • Material: ALUMINUM ALLOY
  • Nominal Thread Size: UNABLE TO DECODE
Applications
  • Applications requiring Aluminum Alloy construction
General Description

The Indicator,sight,liquid, cataloged under National Stock Number 6680-01-005-8019, is classified within Federal Supply Class 6680 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Testek Llc Dba Testek Solutions. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6680-01-005-8019
Primary Part Number10443-4
Item NameIndicator,sight,liquid
FSC / FSG6680 / 66 — No Item Name Available
ManufacturerTestek Llc Dba Testek Solutions
StatusACTIVE
Surface TreatmentANODIZE
Nominal Pipe Size for Which DesignedUNABLE TO DECODE
Bolt Hole DiameterUNABLE TO DECODE
Thread Series DesignatorUNABLE TO DECODE
Thread DirectionUNABLE TO DECODE
MaterialALUMINUM ALLOY
Nominal Thread SizeUNABLE TO DECODE
Features ProvidedPORT SEAL CAP
Bolt Hole QuantityUNABLE TO DECODE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
3040-00-064-1283104434 INTERCHANGEABLE
Pawl
Air Logistics Corporation Dba Air Logistics Corp
5905-00-120-2066 INTERCHANGEABLE
Resistor,fixed,composition
4820-00-486-271310-443-4 INTERCHANGEABLE
Valve,plug
Parker Hannifin Corporation Div Aerospace Group Headquarters
4820-01-364-8647104434 INTERCHANGEABLE
Valve,globe
Marine Electric Systems Inc
2530-01-493-9148CM 10082216 INTERCHANGEABLE
Hub,wheel,vehicular
Daimler Truck North America Llc
Cross-Reference Index
Part NumberManufacturer
10443-4 PRIMARY Testek Llc Dba Testek Solutions (USA)
50047-9 Testek Llc Dba Testek Solutions (USA)
Related Parts
3040-00-064-1283INTERCHANGEABLE
PAWL
104434
5905-00-120-2066INTERCHANGEABLE
RESISTOR,FIXED,COMPOSITION
4820-00-486-2713INTERCHANGEABLE
VALVE,PLUG
10-443-4
4820-01-364-8647INTERCHANGEABLE
VALVE,GLOBE
104434
2530-01-493-9148INTERCHANGEABLE
HUB,WHEEL,VEHICULAR
CM 10082216

Frequently Asked Questions

What is NSN 6680-01-005-8019?

NSN 6680-01-005-8019 is a Indicator,sight,liquid, manufactured by Testek Llc Dba Testek Solutions, classified under FSC 6680 (No Item Name Available). Status: active.

What are the part numbers for NSN 6680-01-005-8019?

NSN 6680-01-005-8019 has 2 cross-referenced part numbers: 10443-4 (Testek Llc Dba Testek Solutions), 50047-9 (Testek Llc Dba Testek Solutions).

What NSN replaces 6680-01-005-8019?

There are 5 known substitutes for 6680-01-005-8019: 3040-00-064-1283, 5905-00-120-2066, 4820-00-486-2713 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 10443-4?

Key specifications for 10443-4: Surface Treatment: ANODIZE; Nominal Pipe Size for Which Designed: UNABLE TO DECODE; Bolt Hole Diameter: UNABLE TO DECODE; Thread Series Designator: UNABLE TO DECODE. 9 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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