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NSN Search

Look up National Stock Numbers with real DIBBS award history and verified suppliers — winners and MCRL-approved manufacturers on each part page. 1,308 NSNs with DIBBS awards in FSC 4820.

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NSNItem nameFSCDLA awardsLast award
4820-01-531-6679RETAINER,SEAT,VALVE48201Feb 23, 2010
4820-01-536-2702VALVE,SAFETY RELIEF48201Oct 11, 2018
4820-01-547-5785VALVE,SAFETY RELIEF48201Feb 20, 2015
4820-01-560-2871SEAT,VALVE48201Jun 12, 2015
4820-01-578-6806VALVE,SAFETY RELIEF48201Aug 1, 2024
4820-01-581-0054VALVE,SAFETY RELIEF48201May 22, 2018
4820-01-582-3375VALVE,BALL48201May 18, 2026
4820-01-592-6668VALVE,VENT-CHECK48201Sep 17, 2015
4820-01-592-8730FLOAT,VALVE48201Aug 7, 2015
4820-01-593-9571VALVE,CHECK48201Sep 13, 2017
4820-01-611-8212BUSHING BONNET48201Jan 17, 2024
4820-01-640-7612SEAT,VALVE48201Feb 25, 2022
4820-01-647-1597SEAT,VALVE48201May 22, 2024
4820-01-648-3976SLEEVE,DIRECTIONAL CONTROL LINEA48201Jan 31, 2018
4820-01-662-4786BALL,VALVE,PORTED48201Apr 16, 2020
4820-01-669-2027VALVE,RELIEF,PRESSURE AND TEMPER48201Mar 24, 2021
4820-01-669-3198VALVE,GLOBE48201Mar 24, 2020
4820-01-683-2692ADAPTER,SPECIAL48201Aug 15, 2025
4820-01-689-8303PARTS KIT,BALL VALVE48201Mar 3, 2021
4820-01-691-2481VALVE,HOLD,BOOM HOIST CYLINDER48201Jan 28, 2022
4820-01-691-4106VALVE,SAFETY RELIEF48201Jul 14, 2026
4820-01-691-4654VALVE,CHECK48201Jul 28, 2026
4820-01-696-0964VALVE,EXPANSION48201Jun 15, 2026
4820-01-697-2973VALVE,FLOW CONTROL48201Jun 18, 2026
4820-01-708-1301VALVE,CHECK48201Jan 22, 2026
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