N-Ferno 6840 Winter Hard Hat Liner - 2-Layer, Fleece-Lined, Polyester Shell, Short
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Product Description
The N-Ferno 6840 Winter Hard Hat Liner features two layers of insulation, with a water-resistant shell and soft polyester fleece lining for comfortable warmth. This lightweight chin-length thermal liner keeps head and ears covered while fitting comfortably under helmets or hard hats without bulk. The PU-coated polyester shell is water-resistant with a durable finish that resists corrosion and abrasion. The 100% polyester fleece lining is incredibly soft for comfortable all-day wear.</
Technical Specifications
- Manufacturer part number (MPN)
- 6840
- Brand
- Ergodyne
- Category
- Tools
- Attachment Type
- Hook & Loop Straps
- Closure
- Hook and Loop
- Construction
- Fleece Lined, Hard Hat Attachment Straps, Insulated, PU Coating
- Fit
- Unisex
- Liner Length
- Short
- Material Layers
- 2-Layer
- Pockets/Holders
- No Pockets
- Product Features
- Hard Hat Compatible, Lightweight, Machine Washable
- Product Type
- Thermal Liner
- Protection
- Cold Temperature Protection, Water Resistant
- Risk/Injury
- Cold Stress
Standards & Compliance
- HS Code
- 6507.00
Cross References
- OEM-URL https://www.ergodyne.com/nferno-6840-winter-hard-hat-liner-2-layer-fleece-poly-chin-length
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Catalogue entry last verified: 2026-10-03.
Frequently asked questions
- Where can I buy 6840?
- 6840 can be ordered from cballast.com as a Ergodyne catalogue item: request a quotation on this page or email sales@cballast.com, and the order ships worldwide.
- What is the manufacturer part number for this Ergodyne product?
- The manufacturer part number is 6840.
- What is the HS code for 6840?
- The customs tariff (HS) code for 6840 is 6507.00.
- Who manufactures 6840?
- 6840 is a Ergodyne product in the Safety & Detection range.
- What is the minimum order quantity for 6840?
- The minimum order quantity is 1.
- Is 6840 available?
- Yes — 6840 is available to order: fulfilment is from supplier stock in cBallast's European network, dispatched directly from the warehouse to the customer, with the exact lead time stated in the quotation (reply within 24 hours).
- How do I get a price for 6840?
- Request a quotation with the quote button on this page or by email to sales@cballast.com — we reply within 24 hours with price, availability and lead time.