PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

Q-56636Gage Rod-Cap,liquid Level

Cummins Filtration Inc. · NSN 6680-01-339-8291 · FSC 6680 · No Item Name Available
Verified by PartsTable
NSN 6680-01-339-8291 — this item is cataloged by the U.S. Government under National Stock Number 6680-01-339-8291. Primary manufacturer part number: Q-56636.
Features
  • Gage Rod-Cap,liquid Level — FSC 6680
  • 8 verified cross-references
  • Primary manufacturer: Cummins Filtration Inc.
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Gage Rod-Cap,liquid Level, cataloged under National Stock Number 6680-01-339-8291, is classified within Federal Supply Class 6680 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Cummins Filtration Inc.. This item has 8 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameGage Rod-Cap,liquid Level
FSC / FSG6680 — No Item Name Available (FSG 66)
ManufacturersCummins Filtration Inc. (CAGE 76700); Oshkosh Corp (CAGE 45152); Moeller Mfg Co Inc (CAGE 01943); Oshkosh Defense Llc (CAGE 75Q65); Moeller Instrument Company, Inc. Dba Moeller Instrument Co (CAGE 76526)
Technical Specifications
ParameterValue
NSN6680-01-339-8291
Primary Part NumberQ-56636
Item NameGage Rod-Cap,liquid Level
FSC / FSG6680 / 66 — No Item Name Available
ManufacturerCummins Filtration Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
4520-00-163-03054236.1 INTERCHANGEABLE
Heating Element,electrical,nonim
Bunn-O-Matic Corporation Div Government Sales
5306-00-207-5425 INTERCHANGEABLE
Bolt,eye
5310-00-724-607156979 INTERCHANGEABLE
Nut,plain,hexagon
Parker Hannifin Corporation Div Hydraulic Systems Division
2520-00-904-9254 INTERCHANGEABLE
Shaft,rear Axle
5330-01-025-1664042361 INTERCHANGEABLE
Gasket
Parker-Hannifin Corporation Dba Pneutronics Div Composite Sealing Systems Division
6680-01-112-144042361 INTERCHANGEABLE
Transmitter,liquid Quantity
Setra Systems, Inc. Dba Gems Sensors
5330-01-162-7794042361 INTERCHANGEABLE
Gasket
Tyco Fire Products Lp
2815-01-616-2465042361 INTERCHANGEABLE
Speed Sensor,diesel Engine
Tld Ace Corp Div Tld Ace
Cross-Reference Index
Part NumberManufacturer
Q-56636 Cummins Filtration Inc. (USA)
3541496 Oshkosh Corp (USA)
042579 Moeller Mfg Co Inc (USA)
3541496 Oshkosh Defense Llc (USA)
Q-56979 Cummins Filtration Inc. (USA)
56979 Cummins Filtration Inc. (USA)
042361 Moeller Mfg Co Inc (USA)
42361 Moeller Instrument Company, Inc. Dba Moeller Instrument Co (USA)
Related Parts
4520-00-163-0305INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,NONIM
4236.1
5306-00-207-5425INTERCHANGEABLE
BOLT,EYE
5310-00-724-6071INTERCHANGEABLE
NUT,PLAIN,HEXAGON
56979
2520-00-904-9254INTERCHANGEABLE
SHAFT,REAR AXLE
5330-01-025-1664INTERCHANGEABLE
GASKET
042361
6680-01-112-1440INTERCHANGEABLE
TRANSMITTER,LIQUID QUANTITY
42361
5330-01-162-7794INTERCHANGEABLE
GASKET
042361
2815-01-616-2465INTERCHANGEABLE
SPEED SENSOR,DIESEL ENGINE
042361

Frequently Asked Questions

What is NSN 6680-01-339-8291?

NSN 6680-01-339-8291 is a Gage Rod-Cap,liquid Level, manufactured by Cummins Filtration Inc., classified under FSC 6680 (No Item Name Available). Status: active.

What are the part numbers for NSN 6680-01-339-8291?

NSN 6680-01-339-8291 has 8 cross-referenced part numbers: Q-56636 (Cummins Filtration Inc.), 3541496 (Oshkosh Corp), 042579 (Moeller Mfg Co Inc), 3541496 (Oshkosh Defense Llc), Q-56979 (Cummins Filtration Inc.) and 3 more.

What NSN replaces 6680-01-339-8291?

There are 8 known substitutes for 6680-01-339-8291: 4520-00-163-0305, 5306-00-207-5425, 5310-00-724-6071 and 5 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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