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ARP1311D - Landing Gear Structures and Mechanisms
November 16, 2023 - SAE International

This SAE Aerospace Recommended Practice (ARP) applies to landing gear structures and mechanisms (excluding wheels, tires, and brakes and other landing gear systems) for all types and models of civil and military aircraft. All axles, wheel forks, links, arms, mechanical and gas/oil shock struts,...

ASTM D2996-23 - Standard Specification for Filament-Wound "Fiberglass" (Glass-Fiber-Reinforced Thermosetting-Resin) Pipe
October 1, 2023 - ASTM International

This specification covers machine-made reinforced thermosetting resin pressure pipe (RTRP) manufactured by the filament winding process. This specification does not include reinforced polymer mortar pipe (RPMP), which is another type of fiberglass pipe. The pipes are generally classified by type,...

ASTM A788/A788M-23 - Standard Specification for Steel Forgings, General Requirements
September 1, 2023 - ASTM International

This specification covers a group of common requirements that, unless covered by the individual product specification in another ASTM document, applies to steel forgings for general use. Materials shall be produced primarily by either electric-furnace, basic oxygen, vacuum-induction (VIM), or...

ASTM D6660-01(2023) - Standard Test Method for Freezing Point of Aqueous Ethylene Glycol Base Engine Coolants by Automatic Phase Transition Method
September 1, 2023 - ASTM International

1.1 This test method covers the determination of the freezing point of an aqueous engine coolant solution. 1.2 This test method is designed to cover ethylene glycol base coolants up to a maximum concentration of 60?% (v/v) in water; however, the ASTM interlaboratory study mentioned in 12.2 has only...

ASTM D8173-23 - Standard Guide for Site Preparation, Layout, Installation, and Hydration of Geosynthetic Cementitious Composite Mats
July 15, 2023 - ASTM International

4.1 This guide identifies proper layout, installation, and hydration procedures along with equipment for use by GCCM designers, inspectors, and installers. 4.2 Applications-Typical GCCM applications may include but are not limited to: 4.2.1 Hydraulic structure armoring or protection, including but...

AS58091B - Circuit Breakers, Trip Free, Aircraft, General Specification for
July 24, 2023 - SAE International

The primary function of this specification is to cover the general requirements of one-, two-, and three-phase (often referred to as poles) trip-free circuit breakers for use in aircraft electric systems conforming to MIL-STD-704. As a secondary function, this specification may possibly...

UL 962A - Furniture Power Distribution Units
July 13, 2023 - ULSE

00962a-000000-000000 1 Scope 1.1 These requirements cover indoor use cord and plug connected of permanently connected, furniture power distribution units (FPDU) rated 250 V AC or less and 20 Amperes or less. An FPDU may provide one or more receptacle outlets, inclusive of one current tap integral...

ASTM E956-83(2023) - Standard Classification for Municipal Mixed Nonferrous Metals (MNM)
June 1, 2023 - ASTM International

4.1 This classification is intended for use in the marketing of mixed nonferrous metals. 4.2 Mixed nonferrous metals covered by this classification are suitable for use by one or more of the following industries: 4.2.1 Secondary aluminum smelters, 4.2.2 Primary aluminum producers, 4.2.3...

UL 1363 - Relocatable Power Taps
July 13, 2023 - ULSE

013630-000000-000000 1 Scope 1.1 These requirements cover indoor use cord and plug connected, relocatable power taps (RPT) rated 250 V AC or less and 20 Amperes or less. A RPT may include an integral Class 2 power supply with an integral lead and/or connector(s) output. In accordance with the...

ASTM D6891-23 - Standard Test Method for Evaluation of Automotive Engine Oils in the Sequence IVA Spark-Ignition Engine
July 1, 2023 - ASTM International

1.1 This test method measures the ability of crankcase oil to control camshaft lobe wear for spark-ignition engines equipped with an overhead valve-train and sliding cam followers. This test method is designed to simulate extended engine idling vehicle operation. The Sequence IVA Test Method uses a...

ASTM E894-23 - Standard Test Method for Anchorage of Permanent Metal Railing Systems and Rails for Buildings
July 1, 2023 - ASTM International

1.1 This test method covers procedures to be followed in testing the performance of the anchorage of all types of new and existing permanent metal railing systems (guard, stair, and ramp-rail systems), and rails (hand, grab, and transfer rails) installed in and for agricultural, assembly,...

J2388_202208 - Secondary Control Modifications
August 17, 2022 - SAE International

This SAE Recommended Practice establishes a uniform procedure for assuring the manufactured quality, installed utility and performance of automotive products to the relocation, alteration, replacement, and/or extension of secondary controls and systems other than those provided by the...

ASTM C1249-18(2023) - Standard Guide for Secondary Seal for Sealed Insulating Glass Units for Structural Sealant Glazing Applications
February 1, 2023 - ASTM International

4.1 It should be realized that the design of an IG unit edge seal for use in SSG systems is a collaborative effort of at least the IG unit fabricator, sealant manufacturer, and design professional, among others. 4.2 This guide provides information on silicone sealants that are used for the...

ASTM C1648-12(2023) - Standard Guide for Choosing a Method for Determining the Index of Refraction and Dispersion of Glass
July 1, 2023 - ASTM International

4.1 Measurement-The refractive index at any wavelength of a piece of homogeneous glass is a function, primarily, of its composition, and secondarily, of its state of annealing. The index of a glass can be altered over a range of up to 1×10-4?(that is, 1 in the fourth decimal place) by the...

ASTM E222-23 - Standard Test Methods for Hydroxyl Groups Using Acetic Anhydride Acetylation
April 1, 2023 - ASTM International

4.1 Hydroxyl is an important functional group, and knowledge of its content is required in many intermediate and end use applications. The test methods described herein are for the determination of primary and secondary hydroxyl groups and can be used for the assay of compounds containing...

ASTM A961/A961M-23 - Standard Specification for Common Requirements for Steel Flanges, Forged Fittings, Valves, and Parts for Piping Applications
May 1, 2023 - ASTM International

This specification covers a group of common requirements that shall apply to steel flanges, forged fittings, valves, and parts for piping applications. If the primary melting is required it shall incorporate separate degassing or refining and may be followed by secondary melting, such as...

ASTM E1366-23 - Standard Practice for Standardized Aquatic Microcosms: Fresh Water
June 1, 2023 - ASTM International

5.1 A microcosm test is conducted to obtain information concerning toxicity or other effects of a test material on the interactions among three trophic levels (primary, secondary, and detrital) and the competitive interactions within each trophic level. As with most natural aquatic...

ASTM E1899-23 - Standard Test Method for Hydroxyl Groups Using Reaction with p-Toluenesulfonyl Isocyanate (TSI) and Potentiometric Titration with Tetrabutylammonium Hydroxide
April 1, 2023 - ASTM International

1.1 This test method covers the determination of hydroxyl groups attached to primary and secondary carbon atoms in aliphatic and cyclic compounds and phenols from 0.5 to 367 hydroxyl number. It is not suitable for determination of hydroxyl groups attached to tertiary carbon atoms. This test...

ASTM E816-15(2023) - Standard Test Method for Calibration of Pyrheliometers by Comparison to Reference Pyrheliometers
March 15, 2023 - ASTM International

1.1 This test method has been harmonized with, and is technically equivalent to, ISO 9059. 1.2 Two types of calibrations are covered by this test method. One is the calibration of a secondary reference pyrheliometer using an absolute cavity pyrheliometer as the primary standard...

ASTM D7574-23 - Standard Test Method for Determination of Bisphenol A in Environmental Waters by Liquid Chromatography/Tandem Mass Spectrometry
April 15, 2023 - ASTM International

5.1 The first reported synthesis of BPA was by the reaction of phenol with acetone by Zincke.4 BPA has become an important high volume industrial chemical used in the manufacture of polycarbonate plastic and epoxy resins. Polycarbonate plastic and resins are used in numerous products including...

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