{"product_id":"spi-14-654-8-0-25in-0-001in-flat-lug-back-dial-drop-indicator","title":"SPI 14-654-8 0.25in 0.001in Flat \u0026 Lug Back Dial Drop Indicator","description":"\u003cp\u003eThe SPI 14-654-8 is a new balanced-dial drop (plunger) indicator with a 0.25 in (6.35 mm) total measuring range and 0.001 in graduation, displaying 0–100 on a white dial face with a revolution counter tracking full 0.1 in per revolution cycles. The indicator ships with a centre lug back and flat back mounting, a tungsten carbide ball contact point anvil, and a certificate of calibration traceable to national standards (ASME B89.1.10M), as confirmed by the included inspection certificate visible in the product photos. The body is manufactured in India and housed in a molded red plastic case; the 8 mm stem shank is compatible with standard AGD-style indicator holders, magnetic bases, and transfer-fixture arms. Calibration data on the certificate shows uncertainty of 0.18 thou with one-revolution error within ±1.0 thou spec and hysteresis within 0.33 thou spec, confirming production conformance for layout, inspection, and surface-plate work. Product Specifications Brand SPI MPN 14-654-8 Indicator Type Drop (Plunger) Dial Indicator Measuring Range 0–0.25 in (0–6.35 mm) Graduation (Resolution) 0.001 in Dial Reading 0–100 (balanced white dial) Travel per Revolution 0.1 in Revolution Counter Yes Back Type Flat \u0026amp; Centre Lug Back (both included) Contact Point Tungsten carbide ball anvil Calibration Standard ASME B89.1.10M Certificate of Calibration Included (traceable to national standard) Stem Shank Diameter 3\/8 in (9.5 mm) Dial Face Color White Country of Origin India Case Molded red plastic storage case\u003c\/p\u003e\u003ctable style=\"width:100%;border-collapse:collapse;margin-top:16px;\"\u003e\n\u003ctr style=\"background:#56555b;\"\u003e\u003cth style=\"text-align:left;padding:8px 12px;color:#fff;font-size:13px;\" colspan=\"2\"\u003eProduct Specifications\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:6px 12px;font-size:13px;font-weight:600;color:#333;border-bottom:1px solid #eee;width:40%;\"\u003eBrand\u003c\/td\u003e\n\u003ctd style=\"padding:6px 12px;font-size:13px;color:#555;border-bottom:1px solid #eee;\"\u003eSPI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#ffffff;\"\u003e\n\u003ctd style=\"padding:6px 12px;font-size:13px;font-weight:600;color:#333;border-bottom:1px solid #eee;width:40%;\"\u003eMPN\u003c\/td\u003e\n\u003ctd style=\"padding:6px 12px;font-size:13px;color:#555;border-bottom:1px solid #eee;\"\u003e14-654-8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:6px 12px;font-size:13px;font-weight:600;color:#333;border-bottom:1px solid #eee;width:40%;\"\u003eIndicator Type\u003c\/td\u003e\n\u003ctd style=\"padding:6px 12px;font-size:13px;color:#555;border-bottom:1px solid #eee;\"\u003eDrop (Plunger) Dial Indicator\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#ffffff;\"\u003e\n\u003ctd style=\"padding:6px 12px;font-size:13px;font-weight:600;color:#333;border-bottom:1px solid #eee;width:40%;\"\u003eMeasuring Range\u003c\/td\u003e\n\u003ctd style=\"padding:6px 12px;font-size:13px;color:#555;border-bottom:1px solid #eee;\"\u003e0–0.25 in (0–6.35 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:6px 12px;font-size:13px;font-weight:600;color:#333;border-bottom:1px solid #eee;width:40%;\"\u003eGraduation (Resolution)\u003c\/td\u003e\n\u003ctd style=\"padding:6px 12px;font-size:13px;color:#555;border-bottom:1px solid #eee;\"\u003e0.001 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#ffffff;\"\u003e\n\u003ctd style=\"padding:6px 12px;font-size:13px;font-weight:600;color:#333;border-bottom:1px solid #eee;width:40%;\"\u003eDial Reading\u003c\/td\u003e\n\u003ctd style=\"padding:6px 12px;font-size:13px;color:#555;border-bottom:1px solid #eee;\"\u003e0–100 (balanced white dial)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:6px 12px;font-size:13px;font-weight:600;color:#333;border-bottom:1px solid #eee;width:40%;\"\u003eTravel per Revolution\u003c\/td\u003e\n\u003ctd style=\"padding:6px 12px;font-size:13px;color:#555;border-bottom:1px solid #eee;\"\u003e0.1 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#ffffff;\"\u003e\n\u003ctd style=\"padding:6px 12px;font-size:13px;font-weight:600;color:#333;border-bottom:1px solid #eee;width:40%;\"\u003eRevolution Counter\u003c\/td\u003e\n\u003ctd style=\"padding:6px 12px;font-size:13px;color:#555;border-bottom:1px solid #eee;\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:6px 12px;font-size:13px;font-weight:600;color:#333;border-bottom:1px solid #eee;width:40%;\"\u003eBack Type\u003c\/td\u003e\n\u003ctd style=\"padding:6px 12px;font-size:13px;color:#555;border-bottom:1px solid #eee;\"\u003eFlat \u0026amp; Centre Lug Back (both included)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#ffffff;\"\u003e\n\u003ctd style=\"padding:6px 12px;font-size:13px;font-weight:600;color:#333;border-bottom:1px solid #eee;width:40%;\"\u003eContact Point\u003c\/td\u003e\n\u003ctd style=\"padding:6px 12px;font-size:13px;color:#555;border-bottom:1px solid #eee;\"\u003eTungsten carbide ball anvil\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:6px 12px;font-size:13px;font-weight:600;color:#333;border-bottom:1px solid #eee;width:40%;\"\u003eCalibration Standard\u003c\/td\u003e\n\u003ctd style=\"padding:6px 12px;font-size:13px;color:#555;border-bottom:1px solid #eee;\"\u003eASME B89.1.10M\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#ffffff;\"\u003e\n\u003ctd style=\"padding:6px 12px;font-size:13px;font-weight:600;color:#333;border-bottom:1px solid #eee;width:40%;\"\u003eCertificate of Calibration\u003c\/td\u003e\n\u003ctd style=\"padding:6px 12px;font-size:13px;color:#555;border-bottom:1px solid #eee;\"\u003eIncluded (traceable to national standard)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:6px 12px;font-size:13px;font-weight:600;color:#333;border-bottom:1px solid #eee;width:40%;\"\u003eStem Shank Diameter\u003c\/td\u003e\n\u003ctd style=\"padding:6px 12px;font-size:13px;color:#555;border-bottom:1px solid #eee;\"\u003e3\/8 in (9.5 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#ffffff;\"\u003e\n\u003ctd style=\"padding:6px 12px;font-size:13px;font-weight:600;color:#333;border-bottom:1px solid #eee;width:40%;\"\u003eDial Face Color\u003c\/td\u003e\n\u003ctd style=\"padding:6px 12px;font-size:13px;color:#555;border-bottom:1px solid #eee;\"\u003eWhite\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:6px 12px;font-size:13px;font-weight:600;color:#333;border-bottom:1px solid #eee;width:40%;\"\u003eCountry of Origin\u003c\/td\u003e\n\u003ctd style=\"padding:6px 12px;font-size:13px;color:#555;border-bottom:1px solid #eee;\"\u003eIndia\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#ffffff;\"\u003e\n\u003ctd style=\"padding:6px 12px;font-size:13px;font-weight:600;color:#333;border-bottom:1px solid #eee;width:40%;\"\u003eCase\u003c\/td\u003e\n\u003ctd style=\"padding:6px 12px;font-size:13px;color:#555;border-bottom:1px solid #eee;\"\u003eMolded red plastic storage case\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"DDT and More","offers":[{"title":"Default Title","offer_id":49751579951319,"sku":"4998t27C","price":35.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/0626\/7095\/files\/1788871321206-va1t40.jpg?v=1788871330","url":"https:\/\/dansdiscounttools.com\/products\/spi-14-654-8-0-25in-0-001in-flat-lug-back-dial-drop-indicator","provider":"Dan's Discount Tools","version":"1.0","type":"link"}