PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

25961Tube,special

Mettler-Toledo Llc · NSN 6630-01-479-0850 · FSC 6630 · No Item Name Available
Verified by PartsTable
NSN 6630-01-479-0850 — this item is cataloged by the U.S. Government under National Stock Number 6630-01-479-0850. Primary manufacturer part number: 25961.
Features
  • Tube,special — FSC 6630
  • Criticality Code Justification: ZZZY
  • Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP 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,special, cataloged under National Stock Number 6630-01-479-0850, is classified within Federal Supply Class 6630 (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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6630-01-479-0850
Primary Part Number25961
Item NameTube,special
FSC / FSG6630 / 66 — No Item Name Available
ManufacturerMettler-Toledo Llc
StatusACTIVE
Criticality Code JustificationZZZY
Reference Number Differentiating CharacteristicsMATERIAL WILL BE IN ACCORDANCE WITH NAVICP ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5340-00-409-4697 INTERCHANGEABLE
Clip,spring Tension
5950-00-988-79590082E-3711-1 INTERCHANGEABLE
Transformer,radio Frequency
L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications
7690-01-007-60557916844-4 INTERCHANGEABLE
Decal,metr-Calbr
Us Army Aviation and Missile Command
2895-01-229-2690 INTERCHANGEABLE
Rotor
4730-01-273-584025961 INTERCHANGEABLE
Strainer,sediment
Clayton Manufacturing Company
5905-01-631-0500 INTERCHANGEABLE
Resistor,fixed,wire Wound
5325-01-691-267825961 INTERCHANGEABLE
Ring,retaining
Tulsa Winch, Inc.
1560-01-715-91302-5961-5 INTERCHANGEABLE
Web,structural Component,aircraf
The Boeing Company Div Defense
1560-01-718-62462-5961-6 INTERCHANGEABLE
Web,structural Component,aircraf
The Boeing Company Div Defense
Cross-Reference Index
Part NumberManufacturer
25961 Mettler-Toledo Llc (USA)
Related Parts
5340-00-409-4697INTERCHANGEABLE
CLIP,SPRING TENSION
5950-00-988-7959INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
0082E-3711-1
7690-01-007-6055INTERCHANGEABLE
DECAL,METR-CALBR
7916844-4
2895-01-229-2690INTERCHANGEABLE
ROTOR
4730-01-273-5840INTERCHANGEABLE
STRAINER,SEDIMENT
25961
5905-01-631-0500INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
5325-01-691-2678INTERCHANGEABLE
RING,RETAINING
25961
1560-01-715-9130INTERCHANGEABLE
WEB,STRUCTURAL COMPONENT,AIRCRAF
2-5961-5
1560-01-718-6246INTERCHANGEABLE
WEB,STRUCTURAL COMPONENT,AIRCRAF
2-5961-6

Frequently Asked Questions

What is NSN 6630-01-479-0850?

NSN 6630-01-479-0850 is a Tube,special, manufactured by Mettler-Toledo Llc, classified under FSC 6630 (No Item Name Available). Status: active.

What are the part numbers for NSN 6630-01-479-0850?

NSN 6630-01-479-0850 has 1 cross-referenced part number: 25961 (Mettler-Toledo Llc).

What NSN replaces 6630-01-479-0850?

There are 9 known substitutes for 6630-01-479-0850: 5340-00-409-4697, 5950-00-988-7959, 7690-01-007-6055 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 25961?

Key specifications for 25961: Criticality Code Justification: ZZZY; Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP 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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