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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. VALVE,SAFETY RELIEF NSN 4820-01-201-7472 P/N LL3120B 3-4INCH 401T458PSI STEAM · LL3120B 3-4INCH · NMP-415 LL3120B 3-4INCH STEAM · LL3120B 3-4INCH 401T458PSI STEAM · +3 more
  2. CLAMP,BONNET NSN 4820-01-201-6733 P/N 2620-922X1AY GS2 1/2 PIECE 50 · 5295PS PIECE 9 · 0605453 · 845-1889550 · +3 more
  3. STEM,FLUID VALVE NSN 4820-01-201-2793 P/N A6790.008.132 · 8512 · 8512-4 · 8512 PIECE 4 · +3 more
  4. VALVE,SUB-RELIEF NSN 4820-01-201-0691 P/N 260980 · 736488K · 736488 · 736488 · +3 more
  5. GUIDE,VALVE STEM NSN 4820-01-200-9474 P/N 051350 · 051601ZZ · PL-1444 · 05160-1-ZZ · +3 more
  6. PLATE,SEAL,MANIFOLD VALVE NSN 4820-01-200-8886 P/N 2CD406 · 2CD406 · 75127-03 · P-75127-03 · +3 more
  7. DISK,VALVE NSN 4820-01-200-6615 P/N 3119982 PC 3 · S4824-F-3119982PC3(0.50IN) · N-10552PC3(0.50IN) · S4824-F-3119982 PC 3 · +3 more
  8. VALVE,BALL NSN 4820-01-200-5004 P/N 12421420 · 2050120 · 70-603-01 · 70-603 · +3 more
  9. TAILPIECE,VALVE NSN 4820-01-200-3014 P/N 845-1889793 · 845-1889793ASSY A PIECE 2 · 2640-044PC2 · 2640-044ASSY A PIECE 2 · +3 more
  10. VALVE,DIAPHRAGM,STOP NSN 4820-01-199-5699 P/N N442810058 · 21463N · 21463N PIECE 18E 3IN · 44281-00-58 · +3 more
  11. VALVE,BUTTERFLY NSN 4820-01-199-4477 P/N 911J430 · 6IN R2030-64AA-2KM · 911-430-911J430 · 911-430-911J430 · +3 more
  12. DISK,VALVE NSN 4820-01-199-3147 P/N 4335-JP-180 · 1146-M · 1146-M-6 · 86161-J2-940 · +3 more
  13. VALVE,SAFETY RELIEF NSN 4820-01-198-8610 P/N SD121-3X4IN160T186PSI · D20K3X4IN160T186PSI · SD121 · SD-121-3/4IN160T186PSI · +3 more
  14. VALVE,BUTTERFLY NSN 4820-01-198-4043 P/N 2772012-106 · 2772012-106 · 2772012-105 · 2772012-106 · +3 more
  15. VALVE,REGULATING,FLUID PRESSURE NSN 4820-01-197-3718 P/N ND-5201 · NH-7394 PIECE 22A · 22AND5201 · NH-7394 · +3 more
  16. SEAT,VALVE NSN 4820-01-197-2010 P/N 003103J97-1 · 003103J97-1 · 3103J97 · 3103J97-001 · +3 more
  17. SEAT,VALVE NSN 4820-01-196-7495 P/N 20092-003 PIECE 10 · 20091-003 PIECE 10 · 1369B4-1 · 20092-001 PC10 · +3 more
  18. SEAT,VALVE NSN 4820-01-195-6340 P/N 41079-3 · 452279 · 845-1889501 PIECE 1-1 1/2IN · 845-1889501 · +3 more
  19. SEAT,VALVE NSN 4820-01-195-3863 P/N NB-0102-H-0300 PART 18 · NB-0102-H-0300 PIECE 18 · NB-0102-H-0300 · NB0102-HSC-0000-SL PART 18 3IN · +3 more
  20. VALVE,SAFETY RELIEF NSN 4820-01-195-0315 P/N 567670 · 567670-5 · 567670 · 567670-5 · +3 more
  21. VALVE,REGULATING,FLUID PRESSURE NSN 4820-01-193-7715 P/N N5301 · 8-60-FA-T596 · N-5385-173 TO 191 · 8-60FAT640 · +3 more
  22. VALVE,SAFETY RELIEF NSN 4820-01-193-4646 P/N R10BF1F120 · R10BF1F116-BM1 · D48669 R10B 133T163PSI · D48669 · +3 more
  23. RING,REGULATING,VALVE NSN 4820-01-193-3462 P/N A11771-001-119 · 20251 PIECE 5 · A11771-00-119 · 20251 · +3 more
  24. VALVE ASSEMBLY,BOO NSN 4820-01-193-1762 P/N 2CD125 · 4189899 · 2CD125 · 85570-06-PAAG24 · +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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