Labeled Snap-On Lockout Hasp
1-3/4 x 2-1/8 inch inside jaw opening
- Item #:
- C3508, C3509, C3510, C3511, C3512
- Lockout Hasp Reads:
- Danger Do Not Operate. This Lockout Device May Only Be Removed By: Name: Dept: Expected Completion:
- Compliance:
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- OSHA
Other configurations of this product

Master Lock Part# 427 427YLW, 427BLU, 427BLK, 427GRN. This labeled snap-on lockout hasp is made from anodized aluminum and stainless steel, giving it corrosion resistance and strength. The spring-loaded locking arm provides it with its easy-to-apply snap-on advantage over standard scissor-action hasps. The inside jaw opening measures 1-3/4" x 2-1/8" (45 x 54 mm) and the overall dimensions are 2-7/8" x 7" (73 x 178 mm). Up to 5 safety padlocks can be used on this hasp. It also includes write-on safety labels to identify the person responsible for performing the lockout procedure.
Danger Do Not Operate. This Lockout Device May Only Be Removed By: Name: Dept: Expected Completion:
1¾ × 2⅛″ Jaw
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Material | Sku | Quantity/Price | |||
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Red Anodized Aluminum Body with Stainless Steel | C3508-427 | $14.95 | $14.35 | $13.80 | |
Yellow Anodized Aluminum Body with Stainless Steel | C3509-427YLW | $14.95 | $14.35 | $13.80 | |
Blue Anodized Aluminum Body with Stainless Steel | C3510-427BLU | $14.95 | $14.35 | $13.80 | |
Green Anodized Aluminum Body with Stainless Steel | C3511-427GRN | $14.95 | $14.35 | $13.80 | |
Black Anodized Aluminum Body with Stainless Steel | C3512-427BLK | $14.95 | $14.35 | $13.80 |
Special Freight Arrangement:
Due to the size of this product, freight shipping will be required. You may contact our customer service team for a quote or you can place your order and a customer service representative will contact you about freight shipping charges.
If you would like to use your own freight carrier, please include your freight carrier account in the special instructions box at the bottom of the checkout page before placing your order. A customer service representative will be in contact with you if there are any questions.
Phone: 800-274-6271
Fax: 800-279-6897
Phone: 800-274-6271
Fax: 800-279-6897
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Product Image | ![]() |
SafetySign Part#: | C3508-427 Red, C3509-427YLW, C3512-427BLK, C3510-427BLU, C3511-427GRN |
Master Lock Part#: | 427 Red, 427YLW, 427BLU, 427BLK, 427GRN |
Colors: | Red, Yellow, Black, Blue, Green |
Hasp Jaw Size: | 1¾″ × 2⅛″ (44mm × 54mm) |
Hasp Dimensions: | 2⅞″ × 7″ (73mm × 178mm) |
Max. Number of Padlocks: | 5 padlocks |
Max. Padlock Shackle Diameter: | 9/32″ (7mm) |
Weight: | 0.35 lb |
Material: | Anodized aluminum and stainless steel construction for combined corrosion-resistance and strength |
Benefits: | Easy to apply ‘snap-on’ advantage with its spring-loaded locking arm |
Fits more lockout points than alternative rivet-hinge labeled lockout hasps | |
Contains high visibility, write-on safety labels | |
Keeps equipment inoperative while repairs or adjustments are being made | |
Lockout by multiple workers at each lockout point | |
Lockout Function: | Control cannot be turned on until last worker's safety padlock is removed from hasp |
OSHA 1910.147(b) Compliance: | Capable of being locked out. An energy isolating device is capable of being locked out if it has a hasp or other means of attachment to which, or through which, a lock can be affixed, or it has a locking mechanism built into it. Other energy isolating devices are capable of being locked out, if lockout can be achieved without the need to dismantle, rebuild, or replace the energy isolating device or permanently alter its energy control capability. |
Application: | ![]() |