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GB/T 42095-2022: Self-locking two lug anchor self-aligning floating nuts with MJ threads for aerospace
Status: Valid
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 42095-2022 | English | 149 |
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Self-locking two lug anchor self-aligning floating nuts with MJ threads for aerospace
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GB/T 42095-2022
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PDF similar to GB/T 42095-2022
Basic data | Standard ID | GB/T 42095-2022 (GB/T42095-2022) | | Description (Translated English) | Self-locking two lug anchor self-aligning floating nuts with MJ threads for aerospace | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | V20 | | Classification of International Standard | 49.030.30 | | Word Count Estimation | 6,685 | | Date of Issue | 2022-12-30 | | Date of Implementation | 2023-04-01 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 42095-2022: Self-locking two lug anchor self-aligning floating nuts with MJ threads 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 49.030.30
CCSV20
National Standards of People's Republic of China
Swimming MJ thread double lug support plate for aerospace
self-aligning self-locking nut
foraerospace
[ISO 12273.2010, Aerospace-Nuts, anchor, self-locking, floating, self-aligning,
Released on 2022-12-30 and implemented on 2023-04-01
State Administration for Market Regulation
Released by the National Standardization Management Committee
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 12273.2010 "Aerospace nuts, pallets, self-locking, swimming, self-aligning, double lugs, MJ thread,
900MPa (at ambient temperature)/235°C, 900MPa (at ambient temperature)/315°C and 900MPa (at ambient temperature)/425°C
size".
A chapter "Terms and Definitions" has been added to this document.
The technical differences between this document and ISO 12273.2010 and their reasons are as follows.
---Modified the representation form of the structural diagram (see Figure 1), which is more in line with the drawing habits of the domestic industry;
---Modify the representation of letters in the structural dimensions (see Figure 1 and Table 1) and the order of letters in the table (see Table 1), which is more in line with national
The labeling habits of the industry.
The following editorial changes have been made to this document.
--- In order to coordinate with the existing standard, change the name of the standard to "Swimming self-aligning and self-locking nut with MJ thread double lug support plate for aerospace";
--- Changed the "note" in the scope to "footnote";
--- Deleted footnote b in Table 1.
This document is proposed and managed by the National Aircraft Standardization Technical Committee (SAC/TC435).
This document is drafted by. China Aviation Comprehensive Technology Research Institute, AVIC South China Aircraft Industry Co., Ltd., China Helicopter Design and Research Institute
Institute.
The main drafters of this document. Wu Bo, Wang Yongmei, Yang Yujiao, Xu Ye, Hou Kun.
Swimming MJ thread double lug support plate for aerospace
self-aligning self-locking nut
1 Scope
This document specifies the structure and dimensions of the self-aligning self-aligning self-locking nuts (hereinafter referred to as "nuts") for MJ thread double lug brackets used in aerospace.
inch, and the strength grades are 900MPa1)/235℃2), 900MPa1)/315℃2) and 900MPa1)/425℃2).
This document is applicable to the design of self-aligning and self-locking nuts for MJ thread double lug brackets for aerospace.
2 Normative references
The contents of the following documents constitute the essential provisions of this document through normative references in the text. Among them, dated references
For documents, only the version corresponding to the date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to
this document.
ISO 5855-2 Aerospace MJ threads Part 2.Limiting dimensions of bolts and nuts (Aerospace-MJthreads-
ISO 8788 Aerospace nuts, metric form and position tolerances (Aerospace-Nuts, metric-Tolerancesofformand
3 Terms and Definitions
This document does not have terms and definitions that need to be defined.
4 Structure and dimensions
The structure and size of the nut shall comply with the regulations in Figure 1 and Table 1.
Dimensions and tolerances apply after any surface coating treatment and before any lubricant.
1) The minimum tensile strength load that a nut can withstand at ambient temperature without failure when tested with a bolt of the highest strength class.
destruction.
2) After the nut is subjected to the highest service temperature, it returns to room temperature without permanently changing its original characteristics. The maximum service temperature depends on the material or
State of surface preparation.
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