PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

25688Tube,metering

Mettler-Toledo Llc · NSN 6680-01-671-8400 · FSC 6680 · No Item Name Available
Verified by PartsTable
NSN 6680-01-671-8400 — this item is cataloged by the U.S. Government under National Stock Number 6680-01-671-8400. Primary manufacturer part number: 25688.
Features
  • Tube,metering — FSC 6680
  • Criticality Code Justification: ZZZY
  • Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVSUP-WSS ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS
  • 1 verified cross-reference
  • Primary manufacturer: Mettler-Toledo Llc
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Tube,metering, cataloged under National Stock Number 6680-01-671-8400, is classified within Federal Supply Class 6680 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Mettler-Toledo Llc. Government technical data includes 2 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6680-01-671-8400
Primary Part Number25688
Item NameTube,metering
FSC / FSG6680 / 66 — No Item Name Available
ManufacturerMettler-Toledo Llc
StatusACTIVE
Criticality Code JustificationZZZY
Reference Number Differentiating CharacteristicsMATERIAL WILL BE IN ACCORDANCE WITH NAVSUP-WSS ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
4730-00-651-8565 INTERCHANGEABLE
Strainer Element,sediment
5360-01-038-5123410017-001 INTERCHANGEABLE
Spring,helical,extension
Gardner Denver Water Jetting Systems, Inc. Div Engineered Package Group
5355-01-126-077439897 INTERCHANGEABLE
Knob
Alliance Laundry Systems Llc
6680-01-479-231925688 INTERCHANGEABLE
Tube,metering
Mettler-Toledo Llc
5340-01-507-504525688 INTERCHANGEABLE
Clamp,synchro
Unison Industries Llc
6680-01-657-3744 INTERCHANGEABLE
Tube,metering
Cross-Reference Index
Part NumberManufacturer
25688 Mettler-Toledo Llc (USA)
Related Parts
4730-00-651-8565INTERCHANGEABLE
STRAINER ELEMENT,SEDIMENT
5360-01-038-5123INTERCHANGEABLE
SPRING,HELICAL,EXTENSION
410017-001
5355-01-126-0774INTERCHANGEABLE
KNOB
39897
6680-01-479-2319INTERCHANGEABLE
TUBE,METERING
25688
5340-01-507-5045INTERCHANGEABLE
CLAMP,SYNCHRO
25688
6680-01-657-3744INTERCHANGEABLE
TUBE,METERING

Frequently Asked Questions

What is NSN 6680-01-671-8400?

NSN 6680-01-671-8400 is a Tube,metering, manufactured by Mettler-Toledo Llc, classified under FSC 6680 (No Item Name Available). Status: active.

What are the part numbers for NSN 6680-01-671-8400?

NSN 6680-01-671-8400 has 1 cross-referenced part number: 25688 (Mettler-Toledo Llc).

What NSN replaces 6680-01-671-8400?

There are 6 known substitutes for 6680-01-671-8400: 4730-00-651-8565, 5360-01-038-5123, 5355-01-126-0774 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 25688?

Key specifications for 25688: Criticality Code Justification: ZZZY; Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVSUP-WSS ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS. 2 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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