National Stock Number
5210-00-790-2521
National Stock Number (NSN) 5210-00-790-2521, or NIIN 007902521, (caliper,micrometer,outside) was assigned May 8, 1974 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There is only one manufacturer part number associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Oct 25, 2012, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. This part is a commercial/non-developmental/off-the-shelf-item. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 15278. [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.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 5210007902521 does not contain precious metals.
This NSN is associated to Schedule B 9017304000: micrometers and calipers. The Schedule B End Use is listed as measuring, testing, control instruments.
This information was last updated on Jul 01, 2025.