PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3501-8Float,switch,liquid Level

Martin Diesel, Inc. · NSN 6680-01-467-2729 · FSC 6680 · No Item Name Available
Verified by PartsTable
NSN 6680-01-467-2729 — this item is cataloged by the U.S. Government under National Stock Number 6680-01-467-2729. Primary manufacturer part number: 3501-8.
Features
  • Float,switch,liquid Level — FSC 6680
  • Thread Size and Series/type Designator: 1/2 UNIFIED NATIONAL COARSE (UNC)
  • Quantity: 1
  • Shape: CYLINDRICAL
  • System for Which Designed: OPEN
  • Thread Location: INTERNAL
  • Connection Type: THREADED
  • 1 verified cross-reference
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Float,switch,liquid Level, cataloged under National Stock Number 6680-01-467-2729, is classified within Federal Supply Class 6680 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Martin Diesel, Inc.. Government technical data includes 6 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6680-01-467-2729
Primary Part Number3501-8
Item NameFloat,switch,liquid Level
FSC / FSG6680 / 66 — No Item Name Available
ManufacturerMartin Diesel, Inc.
StatusACTIVE
Thread Size and Series/type Designator1/2 UNIFIED NATIONAL COARSE (UNC)
Quantity1
ShapeCYLINDRICAL
System for Which DesignedOPEN
Thread LocationINTERNAL
Connection TypeTHREADED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
3110-00-227-2438W307TTC3SS50381A INTERCHANGEABLE
Bearing,ball,annular
Timken Co Div the Timken Company
2805-00-321-2670 INTERCHANGEABLE
Housing,tachometer
5342-01-066-725935018 INTERCHANGEABLE
Latch,arm-Inlet
Williams International Co., L.l.c.
5315-01-268-551635018 INTERCHANGEABLE
Pin,straight,headless
Ingersoll-Rand Company Dba Ingersoll-Rand Div Tool & Hoist Division
3040-01-312-5682 INTERCHANGEABLE
Guide,chain,hoist
6240-01-474-088935018 INTERCHANGEABLE
Lamp,fluorescent
Technical Consumer Products, Inc.
6515-01-537-90139018 INTERCHANGEABLE
Needle Set,intraosseous Injectio
Vidacare Corporation
Cross-Reference Index
Part NumberManufacturer
3501-8 PRIMARY Martin Diesel, Inc. (USA)
Related Parts
3110-00-227-2438INTERCHANGEABLE
BEARING,BALL,ANNULAR
W307TTC3SS50381A
2805-00-321-2670INTERCHANGEABLE
HOUSING,TACHOMETER
5342-01-066-7259INTERCHANGEABLE
LATCH,ARM-INLET
35018
5315-01-268-5516INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
35018
3040-01-312-5682INTERCHANGEABLE
GUIDE,CHAIN,HOIST
6240-01-474-0889INTERCHANGEABLE
LAMP,FLUORESCENT
35018
6515-01-537-9013INTERCHANGEABLE
NEEDLE SET,INTRAOSSEOUS INJECTIO
9018

Frequently Asked Questions

What is NSN 6680-01-467-2729?

NSN 6680-01-467-2729 is a Float,switch,liquid Level, manufactured by Martin Diesel, Inc., classified under FSC 6680 (No Item Name Available). Status: active.

What are the part numbers for NSN 6680-01-467-2729?

NSN 6680-01-467-2729 has 1 cross-referenced part number: 3501-8 (Martin Diesel, Inc.).

What NSN replaces 6680-01-467-2729?

There are 7 known substitutes for 6680-01-467-2729: 3110-00-227-2438, 2805-00-321-2670, 5342-01-066-7259 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3501-8?

Key specifications for 3501-8: Thread Size and Series/type Designator: 1/2 UNIFIED NATIONAL COARSE (UNC); Quantity: 1; Shape: CYLINDRICAL; System for Which Designed: OPEN. 7 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com