Crosby A-1343 Welded Alloy Master Link

The Crosby A-1343 welded alloy master link is the primary connection point at the top of multi-leg chain sling assemblies. Forged from alloy steel and precisely welded, it provides a single attachment point for crane hooks while distributing load across multiple sling legs. Essential hardware for any overhead chain sling system.

Key Features

• Forged and welded alloy steel construction
• Designed as the top fitting for multi-leg chain slings
• Accommodates crane hooks of various sizes
• Proof tested at 2x WLL
• 5:1 design factor per ASME B30.26

Common Applications

• Top fitting for 2, 3, and 4-leg chain sling assemblies
• Crane hook connection point
• Multi-leg wire rope sling assemblies
• Heavy industrial overhead lifting

Standards & Compliance

Meets ASME B30.26 and ASME B30.9. Made in the USA by Crosby.

Product Specifications

Every product includes Working Load Limit (WLL), manufacturer traceability code, and country of origin. For per-variant dimensions and detailed spec charts, see the Related Items tab (if this product has multiple sizes) or the Spec Sheet PDF linked in the Description tab.

Available on request

• Test certificate — proof-test certificate tied to manufacturer traceability code (rigging hardware, chain, wire rope; slings ship with a capacity tag).
• Mill certificate — raw material chemistry and mechanical properties (hardware / chain / wire rope only).
• DNV / ABS / NORSOK documentation for offshore or subsea applications.
• Custom configurations — non-standard lengths, colors, hardware combinations.

Email sales@slingcenter.com with your SKU or order number.

Standards & Compliance

Every product we carry is individually marked with Working Load Limit (WLL), manufacturer traceability code, and country of origin. Inspection and mill certificates are available on request — email sales@slingcenter.com with your order number.

Governing Standards

• ASME B30.9 — slings (web, round, wire rope, chain) inspection and use
• ASME B30.26 — rigging hardware (shackles, eye bolts, links, turnbuckles)
• ASME B30.10 — hooks
• OSHA 1910.184 and 1926.251 — general industry and construction sling safety
• WSTDA WS-2 and RS-1 — web and round sling design
• 49 CFR 393.102 to 393.130 — DOT cargo tie-down
• NACM — welded steel chain grade specs

Inspection & Safety

Before every use: visual check for cracks, corrosion, distortion, wear, and illegible markings. Annually (minimum): documented periodic inspection by a trained inspector. Remove from service at first sign of damage. Never repair rigging hardware by welding, heating, or bending.

WARNING: Improper use of rigging can cause death or serious injury. Never exceed the rated Working Load Limit. Apply derating for side-loading, elevated temperature, or chemical exposure. Final application decisions must be made by a Qualified Person per OSHA 1926.32(m).

Chat with our AI rigging specialist

Fastest: click the Ask SlingCenter chat widget in the bottom-right of any page. Our AI specialist is available 24/7 and trained on ASME B30.9, B30.26, OSHA rigging standards, and our full catalog. It can help you size a sling, pick the right shackle, explain inspection criteria, and look up your order.

Prefer to email?

Send to: sales@slingcenter.com

Include:

• What you are lifting (shape, material, fragility)
• Load weight (lb)
• Length / reach needed
• Pick points — smooth lugs, sharp edges, or a hook?
• Environment — indoor, outdoor, heat, saltwater, chemicals?
• Quantity and timeline
• Your phone number if you want a callback

Response: AI chat instant. Email within 1 business day. Urgent orders same-day on standard configurations.