Similar International Standards
A-A-55220AUS General Services Administration (GSA), USA
MediumCurrent
Commercial Item Description: Fastener, Rope and Cord (Adjuster, Plastic)
Specifies plastic rope adjusters that serve the exact same function as wooden discs for tents.
MIL-DTL-44103EUS Department of Defense (DoD), USA
LowCurrent
Detail Specification: Tents, General Purpose, Medium, and Large
Covers entire tent systems, specifying rope slips (functional equivalent) must be aluminum or plastic, not wood.
ISO 5912:2020International Organization for Standardization (ISO), International
LowCurrent
Camping tents
Specifies safety and performance for complete consumer tents, implicitly requiring functional guy line tensioners but not detailing them.
Key Differences
≠Material Specification: IS 6641 exclusively mandates the use of specific, seasoned timbers (like Haldu, Sissoo, Teak), whereas modern international counterparts (e.g., MIL-DTL-44103E, A-A-55220A) specify aluminum alloys or high-impact polymers (acetal, nylon).
≠Design Philosophy: The Indian Standard is prescriptive, providing detailed drawings and dimensions for two specific types of wooden discs. In contrast, many international standards are performance-based, defining functional requirements like slip resistance and breaking strength, allowing for varied designs (e.g., 3-hole tensioners, cam cleats).
≠Protective Treatment: IS 6641 requires a preservative treatment suitable for wood, such as two coats of boiled linseed oil. Standards for metal or plastic equivalents specify corrosion resistance (e.g., anodizing for aluminum) or UV stability (for polymers).
≠Scope: IS 6641 is a narrow-scope standard for a single, specific component. Functionally similar items in international systems are often included within broader tent system specifications (MIL-DTL-44103E) or as a generic component CID (A-A-55220A).
Key Similarities
≈Core Function: Both the IS standard and international equivalents define a component whose primary purpose is to create friction on a guy rope, allowing for adjustable and secure tensioning of a tent.
≈Rope Protection: IS 6641's requirement for a smooth finish and well-rounded holes directly corresponds to the requirement in international standards for metal/plastic adjusters to be free of burrs, flash, or sharp edges that could abrade or cut the rope.
≈Durability Requirement: All standards aim to ensure the component is durable and weather-resistant. IS 6641 achieves this via selection of durable timber and oil treatment, while international standards achieve it through the inherent properties of aluminum or engineering plastics.
≈Basic Principle of Operation: The common two-hole design specified in IS 6641 operates on the same friction principle as many basic two-hole and three-hole plastic or metal sliders found globally.