Home Cart Quotation About-Us
www.ChineseStandard.net
SEARCH

GB/T 45739-2025 English PDF

Q: How long will the true-PDF of English version of GB/T 45739-2025 be delivered?

Upon your order, we will start to translate GB/T 45739-2025_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.

Q: Can I share the purchased PDF of GB/T 45739-2025_English with my colleagues?

Yes. The purchased PDF of GB/T 45739-2025_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Q: Does the price include tax/VAT?

Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries). Avoidance of Double Taxation Agreements (DTAs) between Singapore and 100+ Countries: https://www.iras.gov.sg/taxes/international-tax

Q: Do you accept my currency other than USD?

Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.

US$219.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 45739-2025: Dimensions of gaseous oxygen charging connector for aerospace
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 45739-2025	219	Add to Cart	3 days	Dimensions of gaseous oxygen charging connector for aerospace	Valid

Similar standards

GB/T 45847 GB/T 44911

Basic data

Standard ID: GB/T 45739-2025 (GB/T45739-2025)
Description (Translated English): Dimensions of gaseous oxygen charging connector for aerospace
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: V44
Classification of International Standard: 49.090
Word Count Estimation: 10,190
Date of Issue: 2025-05-30
Date of Implementation: 2025-12-01
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 45739-2025: Dimensions of gaseous oxygen charging connector for aerospace

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
ICS 49.090 CCSV44 National Standard of the People's Republic of China Dimensions of gaseous oxygen filling connectors for aerospace use Released on 2025-05-30 2025-12-01 Implementation State Administration for Market Regulation The National Standardization Administration issued

Foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents" Drafting. This document is modified to adopt ISO 8775.1988 "Gaseous oxygen filling connectors for aerospace fluid systems (new type) Dimensions (inches)" series)". A new chapter “Terms and Definitions” has been added to this document. The technical differences between this document and ISO 8775.1988 and their reasons are as follows. --- The normative references GB/T 131 replaced ISO 1302 and GB/T 1182 replaced ISO 1101 (see Table 1) to adapt to our The technical conditions of the country and improve operability; --- Added the matching dimensions of the British threaded oxygen filling joint (see Figure 2) to meet the actual situation in my country; --- Added the thread requirements for British standard threaded oxygen-filled joints (see 4.2) to meet the actual situation in my country. The following editorial changes were made to this document. --- Change the name of the standard to "Dimensions of Gaseous Oxygen Filling Connectors for Aerospace Use" to coordinate with the existing standards; ---Adapt illustrations according to national drawing standards. Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents. This document is proposed and coordinated by the National Aircraft Standardization Technical Committee (SAC/TC435). This document was drafted by. Hefei Jianghang Aircraft Equipment Co., Ltd., Xi'an Aircraft Design and Research Institute of China Aviation Industry Corporation, Civil Aviation Administration of China Shanghai Aircraft Airworthiness Certification Center, Shenyang Aircraft Industry (Group) Co., Ltd., China Aviation Technology Research Institute, AVIC General Aviation South China Aircraft Industry Co., Ltd. and Chengdu Aircraft Industry (Group) Co., Ltd. The main drafters of this document are. Cui Huabao, Yang Bao, Liu Wenbiao, He Wang, Wang Bing, Shen Jiele, Pan Xin, Ren Xiujun, Hou Lihua, Dai Ying, Wei Weidong, Li Xiaofeng, Wu Houtian, Ren Haitao, Zhao Lanlan, Tian Hong, Wan Dabo, Li Weihan, Liu Hui, and Zhu Jun. Dimensions of gaseous oxygen filling connectors for aerospace use

1 Scope

This document specifies the general requirements for the fitting dimensions and operating space dimensions of gaseous oxygen filling connectors for aerospace applications. This document applies to gaseous oxygen filling connectors for aerospace use.

2 Normative references

The contents of the following documents constitute essential clauses of this document through normative references in this document. For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to This document. GB/T 131 Product Geometry Specification (GPS) - Method of representation of surface structure in technical product documents (GB/T 131-2006, ISO 1302.2002, IDT) GB/T 1182 Product Geometry Technical Specification (GPS) Geometric Tolerances Shape, Orientation, Position and Runout Tolerances (GB/T 1182- 2018,ISO 1101.2017,MOD) GB/T 7307 55° non-sealed pipe thread ISO 725 ISO inch screw threads-Basic dimensions ISO 3161 Aerospace UNJ threads general requirements and limit sizes (Aerospace-UNJthreads-Generalre-

3 Terms and definitions

There are no terms or definitions that require definition in this document.

4 Requirements

4.1 Oxygen filling connector matching dimensions The dimensions of the mating end of the American threaded oxygen-filled joint shall comply with the requirements of Figure 1 and Table 1. ......

Image

Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 45739-2025_English be delivered?

Answer: Upon your order, we will start to translate GB/T 45739-2025_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 45739-2025_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 45739-2025_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.