3M Buckle FF-400-01, Accessory 30 EA/Case
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3M Buckle FF-400-01 - 30 EA/Case
Six head harness buckles for use on the 3M Ultimate FX Full Facepiece Reusable Respirators FF-401, 402 and 403.
Replacement headstrap buckles are available for some 3M Reusable Full Face Masks and can be fitted by the user or a service centre, if the original buckles become lost or damaged.
Details:
- Includes six head harness buckles
- Made of durable plastic
- Pack includes six head harness buckles
- Replaceable part can potentially result in respiratory equipment cost savings
- Replacement part to use with 3M Ultimate FX Full Facepiece Reusable Respirators FF-401, FF-402, and FF-403 (sold separately)
| Catalog Number | FF-400-01 |
| 3M ID | 7000052734 |
| Legacy SKU | 70071516846 |
| Accessories | Yes |
| Brand | 3M |
| Compatible Respirator | FF-800 Series |
| Compatible with 3M PAPR Systems | No |
| Compatible with 3M Supplied Air System | Yes |
| Cool Flow Exhalation Valve | Yes |
| Enhanced Comfort | Yes |
| Enhanced Durability | Yes |
| Eye Protection | Yes |
| Facepiece Type | Full Facepiece Reusable |
| Maintenance Free | No |
| Material | Plastic |
| Product Number | FF-400-01 |
| Product Series | FF-400 |
| Product Type | Replacement Parts & Accessories |
| Purpose | Parts and Accessories |
| Recommended Application | Assembly & Mechanical Cleaning Facility Maintenance Painting |
| Recommended Industry | Facility Sanitation Food Processing Food Safety Marine |
| Silicone Faceseal | Yes |
| Six-point Head Harness | Yes |
| Spare Part Type | Buckle |
| Spare Parts | Yes |
| Speaking Diaphragm | Yes |
| Trademark 1 | 3M |
3M ID: 7000052734
UPC: 50051135894731
Legacy SKU: 70071516846
Catalog Number: FF-400-01
Shipping
We Ship Internationally - We can ship to virtually any address in the world, with some restrictions on certain products.
Standard Delivery: Ground shipping typically delivers in approximately 5 business days from our Columbus, OH warehouse.
Expedited Options Available:
- Priority and Expedited handling speeds up processing
- Overnight shipping available (guaranteed) - must order by phone before 12pm EST M-F
- Some items ship "Manufacturer Direct" and cannot be expedited
Important: Inspect your delivery before signing! Note any damage on the shipping document.
Returns Policy
30-Day Return Window: Most new, unopened items can be returned within 30 days for a full refund.
Non-Returnable Items:
- Made-to-order fall protection products
- Used vacuums, respirators, gas monitors, or air scrubbers
- Calibration gas (hazardous material)
- PAPR and specialty respiratory items (non-stock)
Restocking Fee: 30% restocking fee or shipping costs apply if return is due to buyer error.
Refund Timeline: Expect refunds within 4 weeks, though many are processed faster.

