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IS 11680 : 2025

IS 11680 : 2025 — AEROSPACE - NUTS, HEXAGONAL, SLOTTED (CASTELLATED), NORMAL HEIGHT, NORMAL ACROSS FLATS, WITH MJ THREADS, CLASSIFICATIONS: 600 MPA (AT AMBIENT TEMPERATURE)/120 DEGREES C, 600 MPA (AT AMBIENT TEMPERATURE)/235 DEGREES C, 900 MPA (AT AMBIENT TEMPERATURE)/425 DEGREES C, 1 100 MPA (AT AMBIENT TEMPERATURE)/235 DEGREES C, 1 100 MPA (AT AMBIENT TEMPERATURE)/315 DEGREES C, 1 100 MPA (AT AMBIENT TEMPERATURE)/650 DEGREES C, 1 210 MPA (AT AMBIENT TEMPERATURE)/730 DEGREES C, 1 250 MPA (AT AMBIENT TEMPERATURE)/235 DEGREES C AND 1 550 MPA (AT AMBIENT TEMPERATURE)/600 DEGREES C - DIMENSIONS (First Revision)

IS 11680 : 2025 is an Indian Standard titled AEROSPACE - NUTS, HEXAGONAL, SLOTTED (CASTELLATED), NORMAL HEIGHT, NORMAL ACROSS FLATS, WITH MJ THREADS, CLASSIFICATIONS: 600 MPA (AT AMBIENT TEMPERATURE)/120 DEGREES C, 600 MPA (AT AMBIENT TEMPERATURE)/235 DEGREES C, 900 MPA (AT AMBIENT TEMPERATURE)/425 DEGREES C, 1 100 MPA (AT AMBIENT TEMPERATURE)/235 DEGREES C, 1 100 MPA (AT AMBIENT TEMPERATURE)/315 DEGREES C, 1 100 MPA (AT AMBIENT TEMPERATURE)/650 DEGREES C, 1 210 MPA (AT AMBIENT TEMPERATURE)/730 DEGREES C, 1 250 MPA (AT AMBIENT TEMPERATURE)/235 DEGREES C AND 1 550 MPA (AT AMBIENT TEMPERATURE)/600 DEGREES C - DIMENSIONS (First Revision), classified under Transport and Related Products. Certification is voluntary.

IS Number
IS 11680 : 2025
Year
2025
Status
0
Certification
Voluntary
Committee
Air and Space Vehicles Sectional Committee
Type
Product Specification

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What is IS 11680 : 2025?

IS 11680 : 2025 is an Indian Standard published by the Bureau of Indian Standards (BIS) under the title AEROSPACE - NUTS, HEXAGONAL, SLOTTED (CASTELLATED), NORMAL HEIGHT, NORMAL ACROSS FLATS, WITH MJ THREADS, CLASSIFICATIONS: 600 MPA (AT AMBIENT TEMPERATURE)/120 DEGREES C, 600 MPA (AT AMBIENT TEMPERATURE)/235 DEGREES C, 900 MPA (AT AMBIENT TEMPERATURE)/425 DEGREES C, 1 100 MPA (AT AMBIENT TEMPERATURE)/235 DEGREES C, 1 100 MPA (AT AMBIENT TEMPERATURE)/315 DEGREES C, 1 100 MPA (AT AMBIENT TEMPERATURE)/650 DEGREES C, 1 210 MPA (AT AMBIENT TEMPERATURE)/730 DEGREES C, 1 250 MPA (AT AMBIENT TEMPERATURE)/235 DEGREES C AND 1 550 MPA (AT AMBIENT TEMPERATURE)/600 DEGREES C - DIMENSIONS (First Revision). It falls under the <strong>Transport and Related Products</strong> group. Certification under this standard is voluntary.

How to get certified for IS 11680 : 2025

  1. 1
    Apply online — Submit the BIS portal application with product details, factory information, and test reports.
  2. 2
    Lab testing — Submit product samples to a BIS-recognised testing laboratory for evaluation against the standard.
  3. 3
    Factory inspection — A BIS officer visits your manufacturing facility to verify quality control systems.
  4. 4
    Licence grant — On approval, BIS issues the licence. You may then affix the ISI Mark on compliant products.
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