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2. Go/no-go gauge - Wikipedia

   en.wikipedia.org/wiki/Go/no-go_gauge

   A pair of go and no-go gauges. A go/no-go gauge is an inspection tool used to check a workpiece against its allowed tolerances via a go/no-go test. Its name is derived from two tests: the check involves the workpiece having to pass one test (go) and fail the other (no-go). For example, ISO 1502 sets a standard for screw threads and gauging to ...

3. Snap gauge - Wikipedia

   en.wikipedia.org/wiki/Snap_gauge

   Snap go/no go gauge and indicator snap gauge. A snap gauge is a form of go/no go gauge.It is a limit gauge with permanently or temporarily fixed measurement aperture(s) (gaps) which is used to quickly verify whether an outside dimension of a part matches a preset dimension or falls within predefined tolerances.

4. Go/no-go - Wikipedia

   en.wikipedia.org/wiki/Go/no-go

   Go and no-go gauges. Go/no-go gauges are encountered in all types of manufacturing. [1] They may measure a physical dimension, e.g. (50 ± 0.01 mm), or a value such as the value of a resistor (100 Ω ± 1%). A typical example is a plug gauge. [2]

5. Ring gauge - Wikipedia

   en.wikipedia.org/wiki/Ring_gauge

   No-go or not-go gauges provide a precision tool for production comparative gauging based on a fixed limit. No-go gauges consist of a fixed limit gauge with a gauging limit based on the minimum or maximum tolerances of the inspected part. A no-go ring gauge's dimensions are based on the minimum OD tolerance of the round bar or part being gauged.

6. Headspace (firearms) - Wikipedia

   en.wikipedia.org/wiki/Headspace_(firearms)

   A third gauge, the "Field" gauge (slightly longer than "no-go"), is used in the field to indicate the absolute maximum safe headspace. This gauge is used because, over time, the bolt and receiver will wear, the bolt and lugs compress, and the receiver may stretch, all causing the headspace to gradually increase from the factory specifications ...

7. Unified Thread Standard - Wikipedia

   en.wikipedia.org/wiki/Unified_Thread_Standard

   Thread class refers to the acceptable range of pitch diameter for any given thread. The pitch diameter is indicated as Dp in the figure shown above. There are several methods that are used to measure the pitch diameter. The most common method used in production is by way of a go/no-go gauge.

8. Gauge (instrument) - Wikipedia

   en.wikipedia.org/wiki/Gauge_(instrument)

   It is a precision ground cylindrical bar for use in Go/no go gauges or similar applications. Go/no go gauge: an inspection tool used to check a workpiece against its allowed tolerances. Its name derives from its use: the gauge has two tests; the check involves the workpiece having to pass one test (Go) and fail the other (No Go). Grind gage

9. Gauge block - Wikipedia

   en.wikipedia.org/wiki/Gauge_block

   Gauge blocks (also known as gage blocks, Johansson gauges, slip gauges, or Jo blocks) are a system for producing precision lengths. The individual gauge block is a metal or ceramic block that has been precision ground and lapped to a specific thickness. Gauge blocks come in sets of blocks with a range of standard lengths.