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Home/Military Standard parts/Seals & Fittings/FSC 4820
Category // FSC 4820 · 153,247 items

Valves, Nonpowered

Valves operated by hand or by the fluid itself, including drain cocks, safety relief valves, and angle valves.

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153,247 items

  1. DIAPHRAGM,ACTUATOR VALVE,SPECIAL NSN 4820-01-142-9067 P/N 58670 · 58670 · 58670 · 58670 · +3 more
  2. STEM,FLUID VALVE NSN 4820-01-142-8945 P/N 803-5184193-2C-20 · 803-5184193-1C-20 · 803-5184193-1D-20 · 803-5184193-2X-20L1 · +3 more
  3. VALVE,PLUG NSN 4820-01-142-7933 P/N 68A4-D1157-1 · 68A4-D1157 · 22231-100 · 22231 · +3 more
  4. STEM,SCREW NSN 4820-01-142-5454 P/N V3D10077 ITEM 4 · V2C11791-4MF · 3VD10077 REV F ITEM 4 · 3VD10077 REV F ITEM 4CP · +3 more
  5. SEAT,VALVE NSN 4820-01-142-5375 P/N PLC-10564 P/N-041547DC · 028697DC · B-4154 · PL-139 ITEM 4 · +3 more
  6. STEM,FLUID VALVE NSN 4820-01-142-1654 P/N 803-2177525 · 803-2177525-C7XX-35 · 810-2177525-C7XX-35 · 810-2177525 · +3 more
  7. VALVE,GLOBE NSN 4820-01-141-2563 P/N 10220-3 · 845-2110225 ASSY BV · 845-2110225 · 845-2110225 ASSY BV · +3 more
  8. VALVE,RESTRICTOR CHECK NSN 4820-01-140-7475 P/N A51H9088-3 · A51H9088-5 · A51H9088-3 · A51H9088-5 · +3 more
  9. SEAT,VALVE NSN 4820-01-140-4770 P/N 9641REVBPC4 · A7410.102.156 · A6119 · A6119 · +3 more
  10. VALVE,REGULATING,FLUID PRESSURE NSN 4820-01-140-0530 P/N N-498 · N-498 55T120PSI · YB2310F223X1 · 30 1 1-4IN 250P · +3 more
  11. VALVE,RELIEF,PRESSURE AND TEMPER NSN 4820-01-139-2713 P/N CDS16109 DWG 20325 · 20325 CD 16109 · 20325 PART 20325E41SS · 20325E41SS · +3 more
  12. VALVE,CHECK NSN 4820-01-139-1832 P/N 1552B · VAL-01552B · VAL-1552B · 4590N · +3 more
  13. DISK,VALVE NSN 4820-01-138-7189 P/N NMP-1169-PC-24 · 005-304-0282 · 005.304.0282 · NMP-1169-PC-24 · +3 more
  14. VALVE,ANGLE NSN 4820-01-138-6402 P/N 1029-1 1/2 IN · 1029-1 1/2 · 1029 1 1-2 IN · H180J001 ITEM 25 · +3 more
  15. VALVE,GATE NSN 4820-01-138-2982 P/N C-35819-MLS · C35819M-1-2IN · 803-1385714-31AF · 803-1385714 · +3 more
  16. PARTS KIT,SAFETY RELIEF VALVE NSN 4820-01-137-9750 P/N V1D10228 · V1D10228 ITEM 13 · V1D10228 REV D ITEM 13 · V3C10219-KA · +3 more
  17. SEAT,VALVE NSN 4820-01-137-8227 P/N 509-4325672 PC 10 · 2350-823 · 2350-823 PC 10 · 4325672 PC 10 · +3 more
  18. VALVE,BALL NSN 4820-01-137-8180 P/N 255948 ASSY-AT-2IN · 255948ASSEMBLYAT2IN · 255948 · 255948 ASSY-AT-2IN. · +3 more
  19. VALVE,SAFETY RELIEF NSN 4820-01-137-5295 P/N D1400 · D1400 · D53UU-06 1/4IN. · E8610J51M · +3 more
  20. DISK,VALVE NSN 4820-01-137-1018 P/N 2621-908-05 ITE · 845-2110231 PIECE 11 1-2IN · 845-2110231 · 2621-908-05 ITEM 23 1-2IN · +3 more
  21. DIAPHRAGM,VALVE,FLAT NSN 4820-01-137-0408 P/N NB32266179 · 229-710-79 · N-508-79 · N-734 PC 7 · +3 more
  22. VALVE,VENT NSN 4820-01-136-7761 P/N 2621-166-03ASSYA37 · 2621-166-03ASSYA37 · 845-4687601 · 516-4684589 ITE · +3 more
  23. VALVE,SAFETY RELIEF NSN 4820-01-136-2014 P/N 20197BS51SS · 20197 · 20497BS51 · 20197326 · +3 more
  24. VALVE,LINEAR,DIRECTIONAL CONTROL NSN 4820-01-135-7636 P/N AT101661 · AT101661 · AT79269 · AT176926 · +3 more

Ranked by how many manufacturer cross-references are on file. Every item is quote-only — the federal record carries no price and no stock, and Atlas publishes neither. Browsing stops at page 500 of this class — past that, search by number. Send a whole list →

Questions about Valves, Nonpowered

What does federal supply class 4820 cover?

Federal supply class 4820 covers nonpowered valves, valves operated by hand or by the fluid itself rather than by a motor or actuator. Items filed here include drain cocks, safety relief valves, and angle valves.

How is a part in federal supply class 4820 identified?

A valve is identified by its NSN and item name, and the record carries the characteristics on file and the manufacturer cross-references for it. Each item in the class has its own National Stock Number (NSN) record, listed above.

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