Other
Measuring or checking instruments, appliances and machines, not specified or included elsewhere in this chapter; profile projectors; parts and accessories thereof: > Parts and accessories: > Other: > Other
Duty Rate (from China)
Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Except as provided in headings 9903.88.05, 9903.88.06, 9903.88.07, 9903.88.08, 9903.88.10, 9903.88.11, 9903.88.14, 9903.88.19, 9903.88.50, 9903.88.52, 9903.88.58, 9903.88.60, 9903.88.62, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(a) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(b) [to this subchapter]
Subheadings
Products classified under HTS 9031.90.91
Test Indicator Contact Point Set
Carbide contact point set for test indicators measuring perpendicularity and alignment. Under HTS 9031.90.91 for other measuring instrument parts.
Radius Gauge Set
Precision fillet and radius gauge set (1/32" to 1") for contour inspection. HTS 9031.90.91 as accessories for profile checking.
Gage Block Accessory Wringing Rack
Stainless steel wringing rack for organizing and cleaning gage blocks in calibration labs. Classified HTS 9031.90.91 as measuring instrument accessories.
Feeler Gauge Strip Assortment
Metric feeler gauge strip set (0.02-1.00mm) for clearance and gap measurements. Classified HTS 9031.90.91 as checking instrument accessories.
Bore Gauge Extension Rod Set
Precision ground extension rods for inside bore micrometers and gauges up to 12 inches. HTS 9031.90.91 covers such measuring instrument accessories.
Mitutoyo Digital Caliper Sensor Assembly
This sensor assembly is a replacement part for Mitutoyo digital calipers used in precision measurement of lengths and diameters. It falls under HTS 9031.90.91 as a part of measuring instruments not specified elsewhere in Chapter 90, specifically for other parts and accessories of checking appliances.
Starrett Micrometer Thimble Replacement
Precision-ground thimble replacement part for Starrett outside micrometers, essential for accurate readings in dimensional measurement. Classified under HTS 9031.90.91 as an accessory for other measuring or checking instruments in this chapter.
Optical Comparator Stage Fixture
Adjustable fixture for securing workpieces on optical comparator stages used in profile projection and inspection. HTS 9031.90.91 covers it as an accessory for profile projectors and other checking machines.
Brown & Sharpe CMM Probe Tip Set
Ruby-tipped probe stylus set for coordinate measuring machines (CMMs) used in 3D dimensional verification. Falls under HTS 9031.90.91 as parts for other measuring machines not elsewhere specified.
Fowler Surface Roughness Tester Stylus
Diamond-tipped stylus replacement for Fowler surface roughness testers measuring Ra, Rz parameters. Classified in HTS 9031.90.91 as an accessory for other checking instruments.
Thread Pitch Gauge Leaf Set
Steel leaf set for verifying thread pitch and profile in manufacturing quality control. HTS 9031.90.91 applies as accessories for other measuring or checking appliances.
Dial Indicator Back Plunger Assembly
Replacement back plunger mechanism for dial indicators used in runout and alignment checks. Falls under HTS 9031.90.91 for parts of unspecified measuring instruments.
Profile Projector Overlay Template Kit
Customizable transparent template overlays for profile projectors in part contour verification. Classified under HTS 9031.90.91 as accessories for profile projectors.
Laser Scan Micrometer Sensor Head
Non-contact sensor head for laser scan micrometers measuring diameter and width. HTS 9031.90.91 for parts of other optical measuring instruments.
Height Gauge Scribe Replacement Kit
Carbide-tipped scriber kit for Vernier and digital height gauges in layout work. Under HTS 9031.90.91 as accessories for linear measuring instruments.