1631M

View detailed technical data, stock status, and sourcing information for: 1631M
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Federal Supply Group

Measuring Tools

Federal Supply Classification

5210 Craftsmen's Measuring Tools

National Stock Number

5210-00-221-1929

Item Name Code

15278

Assigment Date

01/01/1963 (63 years ago)

A precision measuring instrument with a micrometer screw attachment used for making exact external linear measurements of thickness, outside diameters, or distances over two parallel planes. It consists of a u-frame and a micrometer, the spindle of which is aligned with an opposite anvil. It may incldue a dial indicator, digital display, and/or a push-button mechanism which activates a retractable anvil to assure uniformity of contact pressure, and permits use as a visual comparator. Graduations may be in inches and/or millimeters.

+0.000 to 25.000 millimeters gaging range, hundredths of a millimeter graduation unit, included ratchet stop, not included pushbutton pressure control, included locknut

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Locknut: included
Gaging Range: +0.000 to 25.000 millimeters
Ratchet Stop: included
Pushbutton Pressure Control: not included
Graduation Unit: hundredths of a millimeter

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5210-00-221-1937	No Name Available	01/01/1963

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
1631M	Outside Micrometer Caliper
37940	Outside Micrometer Caliper
436.1MXRL-25	Outside Micrometer Caliper
436.2MXRL-25	Outside Micrometer Caliper
436MR-25	Outside Micrometer Caliper
436MRL-25	Outside Micrometer Caliper
51576	Outside Micrometer Caliper
68049	Outside Micrometer Caliper

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5210-00-221-1929?

The FSCG of the NSN 5210-00-221-1929 is 5210

Does the NSN 5210-00-221-1929 have a Schedule B code assigned?

Yes, the Schedule B code is 9017304000

Does NSN 5210-00-221-1929 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 5210-00-221-1929 contain precious materials?

Item does not contain precious metal.

Does NSN 5210-00-221-1929 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 5210-00-221-1929 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963