PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

F164Indicator,sight,liquid

Ldi Industries, Inc. Dba Ldi Industries Inc · NSN 6680-01-522-1742 · FSC 6680 · No Item Name Available
Verified by PartsTable
NSN 6680-01-522-1742 — this item is cataloged by the U.S. Government under National Stock Number 6680-01-522-1742. Primary manufacturer part number: F164.
Features
  • Indicator,sight,liquid — FSC 6680
  • End Connection Type: UNABLE TO DECODE
  • Nominal Thread Size: UNABLE TO DECODE
  • Material: COPPER ALLOY AND RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR AND GLASS BOROSILICATE
  • Media for Which Designed: OIL
  • Thread Direction: UNABLE TO DECODE
  • Furnished Data: LIQUID FLOW
  • End Connection Type: UNABLE TO DECODE
Applications
  • Applications requiring Copper Alloy and Rubber Butadiene-Acrylonitrile Class Nbr and Glass Borosilicate construction
General Description

The Indicator,sight,liquid, cataloged under National Stock Number 6680-01-522-1742, is classified within Federal Supply Class 6680 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Ldi Industries, Inc. Dba Ldi Industries Inc. Government technical data includes 16 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6680-01-522-1742
Primary Part NumberF164
Item NameIndicator,sight,liquid
FSC / FSG6680 / 66 — No Item Name Available
ManufacturerLdi Industries, Inc. Dba Ldi Industries Inc
StatusACTIVE
End Connection TypeUNABLE TO DECODE
Nominal Thread SizeUNABLE TO DECODE
MaterialCOPPER ALLOY AND RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR AND GLASS BOROSILICATE
Media for Which DesignedOIL
Thread DirectionUNABLE TO DECODE
Furnished DataLIQUID FLOW
End Connection TypeUNABLE TO DECODE
Thread Quantity Per InchUNABLE TO DECODE
Style DesignatorVERTICAL SHIELDED, DOUBLE PORT
Width Across Flats1.300 INCHES NOMINAL IN
Maximum Working Pressure380.0 POUNDS PER SQUARE INCH (PSI) LBS
Nominal Pipe Size for Which DesignedUNABLE TO DECODE
Data Furnishing MethodCLEAR WINDOW
Sight Height1.250 INCHES NOMINAL IN
Thread Series DesignatorUNABLE TO DECODE
Maximum Temp Rating180.0 CELSIUS DEGC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
6125-00-254-4066 INTERCHANGEABLE
Motor-Generator
5920-00-425-2878F164 INTERCHANGEABLE
Fuse,cartridge
Shallcross Inc
5910-01-052-8905 INTERCHANGEABLE
Capacitor,fixed,mica Dielectric
Cross-Reference Index
Part NumberManufacturer
F164 PRIMARY Ldi Industries, Inc. Dba Ldi Industries Inc (USA)
Related Parts
6125-00-254-4066INTERCHANGEABLE
MOTOR-GENERATOR
5920-00-425-2878INTERCHANGEABLE
FUSE,CARTRIDGE
F164
5910-01-052-8905INTERCHANGEABLE
CAPACITOR,FIXED,MICA DIELECTRIC

Frequently Asked Questions

What is NSN 6680-01-522-1742?

NSN 6680-01-522-1742 is a Indicator,sight,liquid, manufactured by Ldi Industries, Inc. Dba Ldi Industries Inc, classified under FSC 6680 (No Item Name Available). Status: active.

What are the part numbers for NSN 6680-01-522-1742?

NSN 6680-01-522-1742 has 1 cross-referenced part number: F164 (Ldi Industries, Inc. Dba Ldi Industries Inc).

What NSN replaces 6680-01-522-1742?

There are 3 known substitutes for 6680-01-522-1742: 6125-00-254-4066, 5920-00-425-2878, 5910-01-052-8905. Verify interchangeability with system specifications before substitution.

What are the specifications of F164?

Key specifications for F164: End Connection Type: UNABLE TO DECODE; End Item Identification: APS137; Nominal Thread Size: UNABLE TO DECODE; Material: COPPER ALLOY AND RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR AND GLASS BOROSILICATE. 19 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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