PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

X218-3Clamp,loop

Smiths Tubular Systems-Laconia, Inc. · NSN 5340-00-664-3774 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-664-3774 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-664-3774. Primary manufacturer part number: X218-3.
Features
  • Clamp,loop — FSC 5340
  • Material: STEEL CORROSION RESISTING CUSHION
  • Material Thickness: 0.026 INCHES MINIMUM AND 0.036 INCHES MAXIMUM IN
  • Center to Center Distance Between Loop and Mounting Hole: 0.493 INCHES MINIMUM AND 0.503 INCHES MAXIMUM IN
  • Distance From Loop Center to Tongue End: 0.706 INCHES MINIMUM AND 0.726 INCHES MAXIMUM IN
  • Material: STEEL COMP 321 BAND
  • Loop Inside Diameter: 0.188 INCHES NOMINAL IN
  • Diameter: 0.199 INCHES MINIMUM AND 0.209 INCHES MAXIMUM IN
Applications
  • Applications requiring Steel Corrosion Resisting Cushion construction
General Description

The Clamp,loop, cataloged under National Stock Number 5340-00-664-3774, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Smiths Tubular Systems-Laconia, Inc.. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-00-664-3774
Primary Part NumberX218-3
Item NameClamp,loop
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerSmiths Tubular Systems-Laconia, Inc.
StatusCANCELLED
MaterialSTEEL CORROSION RESISTING CUSHION
Material Thickness0.026 INCHES MINIMUM AND 0.036 INCHES MAXIMUM IN
Center to Center Distance Between Loop and Mounting Hole0.493 INCHES MINIMUM AND 0.503 INCHES MAXIMUM IN
Distance From Loop Center to Tongue End0.706 INCHES MINIMUM AND 0.726 INCHES MAXIMUM IN
MaterialSTEEL COMP 321 BAND
Loop Inside Diameter0.188 INCHES NOMINAL IN
Diameter0.199 INCHES MINIMUM AND 0.209 INCHES MAXIMUM IN
Material Document and ClassificationAMS 5510 ASSN STD SINGLE MATERIAL RESPONSE BAND
Tongue Hole TypeROUND, UNTHREADED
Style DesignatorSINGLE LOOP
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Unit of IssueEA
Verified Substitutes 4
5985-00-245-2657 INTERCHANGEABLE
Attenuator,fixed
5110-00-555-4985X218 INTERCHANGEABLE
Blade,knife
Elmers Products Inc Dba Elmers Adhesives and Office Products
9390-00-612-3272 INTERCHANGEABLE
Nonmetallic Channel
9390-01-239-2310 INTERCHANGEABLE
Nonmetallic Channel
Cross-Reference Index
Part NumberManufacturer
X218-3 PRIMARY Smiths Tubular Systems-Laconia, Inc. (USA)
X218 Smiths Tubular Systems-Laconia, Inc. (USA)
X218-3 General Electric Company Dba Ge Structured Services Div General Electric Structured Services, Lp (USA)
Related Parts
5985-00-245-2657INTERCHANGEABLE
ATTENUATOR,FIXED
5110-00-555-4985INTERCHANGEABLE
BLADE,KNIFE
X218
9390-00-612-3272INTERCHANGEABLE
NONMETALLIC CHANNEL
9390-01-239-2310INTERCHANGEABLE
NONMETALLIC CHANNEL

Frequently Asked Questions

What is NSN 5340-00-664-3774?

NSN 5340-00-664-3774 is a Clamp,loop, manufactured by Smiths Tubular Systems-Laconia, Inc., classified under FSC 5340 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5340-00-664-3774?

NSN 5340-00-664-3774 has 3 cross-referenced part numbers: X218-3 (Smiths Tubular Systems-Laconia, Inc.), X218 (Smiths Tubular Systems-Laconia, Inc.), X218-3 (General Electric Company Dba Ge Structured Services Div General Electric Structured Services, Lp).

What NSN replaces 5340-00-664-3774?

There are 4 known substitutes for 5340-00-664-3774: 5985-00-245-2657, 5110-00-555-4985, 9390-00-612-3272 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of X218-3?

Key specifications for X218-3: Material: STEEL CORROSION RESISTING CUSHION; Material Thickness: 0.026 INCHES MINIMUM AND 0.036 INCHES MAXIMUM IN; Center to Center Distance Between Loop and Mounting Hole: 0.493 INCHES MINIMUM AND 0.503 INCHES MAXIMUM IN; Distance From Loop Center to Tongue End: 0.706 INCHES MINIMUM AND 0.726 INCHES MAXIMUM IN. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5340-00-664-3774 still in active supply?

NSN 5340-00-664-3774 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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