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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. RETAINER,DISK,VALVE NSN 4820-01-398-4869 P/N NC403360 · 2498-00-313-13 4,A I · 31427N ITEM 13 · 403360 · +3 more
  2. VALVE,SAFETY RELIEF NSN 4820-01-398-2080 P/N D48664-14 · D48664 · D48664 ASSEMBLY D48664-14 · D48664-14-BM1 · +3 more
  3. VALVE,SAFETY RELIEF NSN 4820-01-398-2079 P/N D48662 · D48662-12-BM1 · D48662 ASSEMBLY D48662-12 · D48662-12 · +3 more
  4. VALVE,SAFETY RELIEF NSN 4820-01-398-2067 P/N 20332A02S0220 · CD-16338 · 16338 · 20332A02S0220 C · +3 more
  5. GUIDE,VALVE STEM NSN 4820-01-397-1209 P/N 20350 REV 8 FIND NO.6 · A7463.001.119 · 20350 REV B FIND N0.6 · 07463001119 · +3 more
  6. SEAT,VALVE NSN 4820-01-395-7363 P/N B-102-A-0400-18 · B-102-A PIECE 18 4IN · B-102-A PC18 4I · B-102-A-0400 PIECE 18 · +3 more
  7. VALVE,REGULATING,TEMPERATURE NSN 4820-01-395-7276 P/N W1X-8611328-25 · 8611328-25 · 8611328-25 · 8611328-25 · +3 more
  8. VALVE,REGULATING,FLUID PRESSURE NSN 4820-01-395-5268 P/N 40445-4 · 40445-407 CDS-40686 · ASTM F1370-1HU2G · ASTM F1370 · +3 more
  9. VALVE,SAFETY RELIEF NSN 4820-01-394-8172 P/N D50UU-01-.50-.50 · D1200 ASSEMBLY D50UU-01-1/2-1/2 · D50UU-01-1/2-1/2 · D50UU-01-.50-.50 · +3 more
  10. STEM,FLUID VALVE NSN 4820-01-394-7357 P/N MH104 FIND 15 · 814534.003.102 · B14534.003.102 · 814534.003.102VM · +3 more
  11. DIAPHRAGM,VALVE,FLAT NSN 4820-01-393-5286 P/N X8698G · 113 · 113E-0 · 113V-0 · +3 more
  12. RETAINER,SEAT,VALVE NSN 4820-01-392-9908 P/N 31433N ITEM 2 · 31426N ITEM 2 · 396648 · 31432N ITEM 2 · +3 more
  13. VALVE,REGULATING,FLUID PRESSURE NSN 4820-01-392-8657 P/N F3C10089-113 · F3C10089-113 AND S1E10129 IT 20 · S1E10129 ITEM 20 · S1E10129 IT 20 AND F3C10089-113 · +3 more
  14. VALVE,REGULATING,FLUID PRESSURE NSN 4820-01-391-6430 P/N 30-1/2IN-60T100PSI SBU · N-524 X N-618 1/2 60 T 100 PSI · N-524 X N-633 60T100PSI · YB2319C225 · +3 more
  15. RETAINER,SEAT,VALVE NSN 4820-01-391-6427 P/N 31432N ITEM 23 · 395756 · NC395756 · 2498-00-313-23 · +3 more
  16. RETAINER,SEAT,VALVE NSN 4820-01-391-6424 P/N 31432N ITEM 13 · 2498-00-313-13 · 395731 · NC395731 · +3 more
  17. RING,VALVE ADJUSTI NSN 4820-01-391-3842 P/N B3428-1.25 · B3428-1-1/4 · D11400 ITEM 11 · B3428-1-1/4 · +3 more
  18. RETAINER,DISK,VALVE NSN 4820-01-390-9562 P/N 2498-00-300 · 2498-00-313PN23 · 2498-00-300 PART 23 10IN · 2498-00-313PN23,10.00INCH · +3 more
  19. TAILPIECE,VALVE NSN 4820-01-390-5421 P/N SS845-2050597 PC 4 · 845-2050597 PC 4 · 2050597 PC 4 · 2050597 PC 4L1 · +3 more
  20. STEM,FLUID VALVE NSN 4820-01-390-2172 P/N 582-6408329 FIND 4 · 6408329 FN 4 · 211069659 · 211069659SS · +3 more
  21. STEM,FLUID VALVE NSN 4820-01-390-2157 P/N SS845-2445483 ASSY CG · SS845-2109891 PIECE 8 · 2641-747 ITEM 17 · 2641-474 ITEM 17L1 · +3 more
  22. VALVE,RELIEF,PRESSURE AND TEMPER NSN 4820-01-388-9314 P/N 211030117 · SW123 · SW123-01E0085 · SW1034 · +3 more
  23. VALVE,CHECK NSN 4820-01-388-4631 P/N 25017 · 25017-1 · STYLE710X6 · 25017-1 · +3 more
  24. VALVE,BALL NSN 4820-01-387-4052 P/N 83-101-01 · BA-370 .25IPS · SP-E-12.25-S-B0-2 · 1/4-444BSE · +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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