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NMFC 177940 - Springs, NOI | Class 55–92.5

Article ID
177940
NMFC 177940 entry for misc. springs
Freight Group
SPRINGS
Purpose-built Springs group for shippers
Class Range
55-92.5 4 classifications
Classes vary from 55 to 92.5
Hazardous
No
Non-hazardous—no special permits needed

Classification Details

NMFC Description Class
177940.00 Springs, NOI:
177950.00 Brass, bronze or copper, in boxes or drums 92.5
177960.00 Steel, other than wire:
177970.00 Coiled, made of steel less than 5/16 inch thick:
177970.01 In bundles 85
177970.02 In bags, boxes, crates or drums 70
177980.00 Coiled, made of steel 5/16 inch or over in thickness 55
178000.00 Elliptic or semi-elliptic, vehicle or tractor 55
178010.00 Other than coiled, elliptic or semi-elliptic:
178010.01 In bundles 85
178010.02 In bags, boxes, crates or drums 70
178020.00 Wire, steel, see Note, item 178022, in packages 70

How to Determine Your Class

To find the correct freight class for your shipment:

  1. Match your spring type to the correct NMFC subrating. Identify compression, extension, torsion, or formed wire springs and select from the four classes within 55–92.5.
  2. Prevent coil movement and tangling. Compress or bundle springs, cap sharp ends, and use sleeves or zip ties; example: band torsion pairs with spacers to stop unwinding.
  3. Choose packaging by size and rigidity. Small runs go in heavy-duty boxes with dividers, while long or dense coils ride best in braced wood crates to protect against puncture.
  4. Document clearly on the BOL: spring type, count, and packaging (boxes/crates/packages). Density entry isn’t required here, which speeds up rating and reduces inspection delays.

Note: All classifications are subject to Item 170. Verify with official NMFC publications for the most current requirements.

Business Value

  • Accurate class selection within 55–92.5 reduces reclass fees and dispute cycles, yielding more precise LTL quotes and fewer invoice surprises.
  • Damage prevention steps (bundling, end caps, dividers) cut OS&D claims, protecting margins for equipment builders, door installers, and MRO suppliers.
  • Optimizing package type can qualify shipments for lower subratings, improving freight rates on recurring lanes for high-volume spring programs.
  • Non-hazardous status broadens carrier options and simplifies booking, often improving transit reliability during tight capacity periods.