PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet
MRO / Instruments and Laboratory Equipment / 6680-01-196-7642

D749-033Indicator,sight,liquid

Clark-Reliance Llc · NSN 6680-01-196-7642 · FSC 6680 · No Item Name Available
Verified by PartsTable
NSN 6680-01-196-7642 — this item is cataloged by the U.S. Government under National Stock Number 6680-01-196-7642. Primary manufacturer part number: D749-033.
MRO FSG 66 NO ITEM NAME AVAILABLE Technical Drawing
6680-01-196-7642 — No Item Name Available illustration
Features
  • Indicator,sight,liquid — FSC 6680
  • Features Provided: DRAIN COCK
  • Furnished Data: LIQUID LEVEL
  • Data Furnishing Method: CLEAR WINDOW
  • Maximum Working Pressure: 150.0 POUNDS PER SQUARE INCH (PSI) LBS
  • Material: COPPER ALLOY
  • Style Designator: GAGE VALVE
  • End Connection Type: UNABLE TO DECODE
Applications
  • Applications requiring Copper Alloy construction
General Description

The Indicator,sight,liquid, cataloged under National Stock Number 6680-01-196-7642, is classified within Federal Supply Class 6680 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Clark-Reliance Llc. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6680-01-196-7642
Primary Part NumberD749-033
Item NameIndicator,sight,liquid
FSC / FSG6680 / 66 — No Item Name Available
ManufacturerClark-Reliance Llc
StatusACTIVE
Features ProvidedDRAIN COCK
Furnished DataLIQUID LEVEL
Data Furnishing MethodCLEAR WINDOW
Maximum Working Pressure150.0 POUNDS PER SQUARE INCH (PSI) LBS
MaterialCOPPER ALLOY
Style DesignatorGAGE VALVE
End Connection TypeUNABLE TO DECODE
Media for Which DesignedANY ACCEPTABLE
Distance Between Mounting Facility Centers33.000 INCHES NOMINAL IN
Sight Height30.750 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
⇄ Verified Substitutes 12
4920-00-015-92097494 INTERCHANGEABLE
Filter,tank Pneumat
Honeywell Limited Dba Honeywell Aerospace Toronto Div Aerospace-Toronto
6625-00-063-0896 INTERCHANGEABLE
Multimeter
5905-00-072-85312324954 INTERCHANGEABLE
Resistor,variable,wire Wound,pre
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
3110-00-100-0683749 INTERCHANGEABLE
Cone and Rollers,tapered Roller
The Timken Corporation
2815-00-146-7483 INTERCHANGEABLE
Rod,push
5330-00-171-6120122SB11 INTERCHANGEABLE
Gasket
Mack Trucks, Inc. Dba Macungie Operations Div Lehigh Valley Operations
5330-00-247-356711510G INTERCHANGEABLE
Gasket
Cummins Inc.
3810-00-410-0109707049 INTERCHANGEABLE
Chain,special
Seats Inc Div Seats Incorporated
4730-00-595-0083 INTERCHANGEABLE
Coupling Half,quick Disconnect
5330-00-599-5433RW092436WP INTERCHANGEABLE
Gasket
R-Way Gasket & Supply Co Inc
Cross-Reference Index
Part NumberManufacturer
D749-033 PRIMARY Clark-Reliance Llc (USA)
749 Clark-Reliance Llc Dba Jacoby-Tarbox (USA)
D749-033 Clark-Reliance Llc Dba Jacoby-Tarbox (USA)
749-4 Clark-Reliance Llc Dba Jacoby-Tarbox (USA)
Related Parts
4920-00-015-9209INTERCHANGEABLE
FILTER,TANK PNEUMAT
7494
6625-00-063-0896INTERCHANGEABLE
MULTIMETER
5905-00-072-8531INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,PRE
2324954
3110-00-100-0683INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
749
2815-00-146-7483INTERCHANGEABLE
ROD,PUSH
5330-00-171-6120INTERCHANGEABLE
GASKET
122SB11
5330-00-247-3567INTERCHANGEABLE
GASKET
11510G
3810-00-410-0109INTERCHANGEABLE
CHAIN,SPECIAL
707049
4730-00-595-0083INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
5330-00-599-5433INTERCHANGEABLE
GASKET
RW092436WP
2990-00-778-0031INTERCHANGEABLE
MUFFLER,EXHAUST
3866266
6680-00-868-5004INTERCHANGEABLE
METER,FLOW RATE INDICATING
7494

Frequently Asked Questions

What is NSN 6680-01-196-7642?

NSN 6680-01-196-7642 is a Indicator,sight,liquid, manufactured by Clark-Reliance Llc, classified under FSC 6680 (No Item Name Available). Status: active.

What are the part numbers for NSN 6680-01-196-7642?

NSN 6680-01-196-7642 has 4 cross-referenced part numbers: D749-033 (Clark-Reliance Llc), 749 (Clark-Reliance Llc Dba Jacoby-Tarbox), D749-033 (Clark-Reliance Llc Dba Jacoby-Tarbox), 749-4 (Clark-Reliance Llc Dba Jacoby-Tarbox).

What NSN replaces 6680-01-196-7642?

There are 12 known substitutes for 6680-01-196-7642: 4920-00-015-9209, 6625-00-063-0896, 5905-00-072-8531 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of D749-033?

Key specifications for D749-033: Features Provided: DRAIN COCK; Furnished Data: LIQUID LEVEL; Data Furnishing Method: CLEAR WINDOW; Maximum Working Pressure: 150.0 POUNDS PER SQUARE INCH (PSI) LBS. 10 total characteristics are documented in the Federal Logistics Information System.

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