PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

900-1638Guard,roller Tube

Cole-Parmer Instrument Co Dba Barnant Co · NSN 6665-01-688-0878 · FSC 6665 · No Item Name Available
Verified by PartsTable
NSN 6665-01-688-0878 — this item is cataloged by the U.S. Government under National Stock Number 6665-01-688-0878. Primary manufacturer part number: 900-1638.
Features
  • Guard,roller Tube — FSC 6665
  • Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVSUP-WSS ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS
  • Criticality Code Justification: ZZZY
  • 1 verified cross-reference
  • Primary manufacturer: Cole-Parmer Instrument Co Dba Barnant Co
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Guard,roller Tube, cataloged under National Stock Number 6665-01-688-0878, is classified within Federal Supply Class 6665 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Cole-Parmer Instrument Co Dba Barnant Co. 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6665-01-688-0878
Primary Part Number900-1638
Item NameGuard,roller Tube
FSC / FSG6665 / 66 — No Item Name Available
ManufacturerCole-Parmer Instrument Co Dba Barnant Co
StatusACTIVE
Reference Number Differentiating CharacteristicsMATERIAL WILL BE IN ACCORDANCE WITH NAVSUP-WSS ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS
Criticality Code JustificationZZZY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5961-00-103-3981 INTERCHANGEABLE
Transistor
6665-01-538-2853900-1638 INTERCHANGEABLE
Guard,roller Tube
Cole-Parmer Instrument Co Dba Barnant Co
Cross-Reference Index
Part NumberManufacturer
900-1638 Cole-Parmer Instrument Co Dba Barnant Co (USA)
Related Parts
5961-00-103-3981INTERCHANGEABLE
TRANSISTOR
6665-01-538-2853INTERCHANGEABLE
GUARD,ROLLER TUBE
900-1638

Frequently Asked Questions

What is NSN 6665-01-688-0878?

NSN 6665-01-688-0878 is a Guard,roller Tube, manufactured by Cole-Parmer Instrument Co Dba Barnant Co, classified under FSC 6665 (No Item Name Available). Status: active.

What are the part numbers for NSN 6665-01-688-0878?

NSN 6665-01-688-0878 has 1 cross-referenced part number: 900-1638 (Cole-Parmer Instrument Co Dba Barnant Co).

What NSN replaces 6665-01-688-0878?

There are 2 known substitutes for 6665-01-688-0878: 5961-00-103-3981, 6665-01-538-2853. Verify interchangeability with system specifications before substitution.

What are the specifications of 900-1638?

Key specifications for 900-1638: Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVSUP-WSS ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS; Criticality Code Justification: ZZZY. 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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