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AS33514 is a historical SAE International aerospace standard defining design and dimensional requirements for flareless tube connection fitting ends and gasket seals. Inactive for new designs since July 2008, it formerly superseded MS33514 for high-pressure hydraulic and fluid system applications. For more details, visit SAE International AS33514 Flareless Tube Fitting Specs | PDF - Scribd
The AS33514 standard refers to a specific aerospace fitting end design used for flareless tube connections and gasket seals. It is widely used in high-pressure hydraulic and fluid systems where a secure, leak-proof, and vibration-resistant connection is critical. Core Technical Specifications
Design Type: Flareless fitting end with a standard gasket seal interface.
Mating Compatibility: Designed to mate with fittings following SAE-AS33514 or SAE-AS4395 standards.
Materials: Commonly manufactured from Stainless Steel (CRES) or Aluminum Alloy. Aluminum variants are often anodized per MIL-A-8625 Type II for corrosion resistance. as33514
Pressure Ratings: Used in systems with operating pressures typically ranging from 1,000 psig to 5,000 psig.
Performance: Requires proof pressure testing (often at 2x rated working pressure) and must withstand repeated assembly and disassembly without deformation or leakage. Typical Feature Development Workflow
To "develop" a complete feature using AS33514 (such as a custom manifold or hose assembly), you would follow these standard aerospace engineering steps:
| Community | Action | |-----------|--------| | 33514:100 | Prepend once to all upstreams | | 33514:200 | Do not advertise to peer X | | 33514:666 | Blackhole traffic (DDoS mitigation) | AS33514 is a historical SAE International aerospace standard
If your network (ASN) has a presence at any of these IXPs and you meet M247’s peering requirements (typically a minimum of 1 Gbps of traffic or public IP space), you can peer with them for free. This reduces latency and improves redundancy for mutual customers.
AS33514 is an Autonomous System registered to Netease Network, a major Chinese internet technology company. The ASN is primarily used to support Netease’s core online services, including gaming, e-commerce, music streaming (NetEase Cloud Music), and enterprise cloud infrastructure. The network operates primarily within China and peers with major domestic carriers.
AS33514 is a multi-homed network with direct connections to major Chinese tier-1 ISPs.
| Peer ASN | Name | Type | | :--- | :--- | :--- | | AS4134 | China Telecom (CHINANET) | Upstream / Transit | | AS4837 | China Unicom (CHINA169) | Upstream / Transit | | AS9808 | China Mobile (CMNET) | Upstream / Transit | | AS58466 | NetEase (internal/prod) | Private Peering | Example of M247 BGP Communities (internal use): |
Routing Policy: Prefers domestic routes via direct ISP connections; no international transit observed.
AS33514 is registered under the name M247 Ltd (formerly known as M247 Europe SRL). While the legal registration points to a United Kingdom address (Manchester), the operational heart of this ASN is deeply embedded in Romania, with significant points of presence (PoPs) across Central and Eastern Europe (CEE).
Who actually uses AS33514? The answer ranges from individual developers to large-scale enterprises.
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