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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,VALVE,FLAT NSN 4820-01-191-6009 P/N LB91088 · 121301-4.10 · 121301-4.10 · LB91088 · +4 more
  2. DIAPHRAGM,VALVE,FLAT NSN 4820-01-191-3860 P/N LA91084 · 121301-4.31 · LA91084 · 121301-4.31 · +4 more
  3. DIAPHRAGM,FIFTH STAG NSN 4820-01-191-3859 P/N 121301-4.26 · LB91112 · 121301-4.26 · LB91112 · +4 more
  4. DIAPHRAGM,VALVE,FLAT NSN 4820-01-191-3858 P/N LB91091 · 121301-4.22 · 121301-4.22 · LB91091 · +4 more
  5. CAP,VALVE NSN 4820-01-191-3854 P/N 121301-7.23 · LD91172 · 121301-7.23 · LD91172 · +4 more
  6. DISK,VALVE NSN 4820-01-190-7132 P/N A1944 PIECE 27 PART 0051020099 · A1944 · 0051020099 · A1944 · +4 more
  7. STEM,FLUID VALVE NSN 4820-01-188-3738 P/N 4820PL0793844 · 06792-019-127 · 20302 FIND 8 · A6792.019.127 · +4 more
  8. VALVE,CHECK NSN 4820-01-187-9457 P/N 2CF486 · 2CF632 · 2CF486 · 4820PL2090958 · +4 more
  9. VALVE,SAFETY RELIEF NSN 4820-01-187-6818 P/N LL-3210-B 3IN. · NMP-909 3IN · NMP-421 · LL3210B3IN141T190PSI · +4 more
  10. VALVE,SAFETY RELIEF NSN 4820-01-187-1976 P/N E8558H41M · 20200 · 8558 · 20200JM41M · +4 more
  11. VALVE,SAFETY RELIEF NSN 4820-01-187-1972 P/N BAMAASPSCC · D50UU-04 1/2" · BAMAASPSCC · DL0-40C-B-2 NMP-1107 18T29PSI · +4 more
  12. DISK,VALVE NSN 4820-01-187-1467 P/N N-11264 · N-1126 PIECE 32 5IN · 7878-7-Y · 845-1889553 PIECE 32 5IN · +4 more
  13. PLATE,RETAINER,VALVE NSN 4820-01-186-9493 P/N NMP1136 · 025-304-0009 · NMP1136 PIECE 34 · NMP1136 · +4 more
  14. NOZZLE,VALVE NSN 4820-01-186-9492 P/N NMP1136 PIECE 31 · NMP1136 · 010-304-0118 · NMP1136 · +4 more
  15. VALVE,BUTTERFLY NSN 4820-01-185-3161 P/N 0320268 · 320268 · 320268 · 0320268 · +4 more
  16. DISK,VALVE NSN 4820-01-184-4722 P/N B10536.001.128 · 9871 · B10536.001.127 · 9871 PIECE 10 · +4 more
  17. VALVE,SAFETY RELIEF NSN 4820-01-184-2732 P/N NMP-857 · NMP-857 PART V113-1 98T116PSI · V113-1 AND NMP-857 98T116PSI · NMP-857 PART V113-1 98T116PSI · +4 more
  18. VALVE,BALL NSN 4820-01-183-2263 P/N 3/4IN-M502-S6-T-S6 · 5001003-A431 · 803-5001003 · 803-5001003-A431 · +4 more
  19. STEM,FLUID VALVE NSN 4820-01-183-0718 P/N 06792079156 · A6792.079.116 · 9601 PIECE 15 · A672.079.156 · +4 more
  20. EXHAUST AND RELIEF VALVE NSN 4820-01-182-4510 P/N 253342 ASSY 99 · 2652051 · D253342ASSY99 · 253342ASSY99 · +4 more
  21. STEM,FLUID VALVE NSN 4820-01-181-6720 P/N SRV-178-1 · 12-3-315 AND NM · 004-307-0349 AND NMP-857 · 004-307-0349 · +4 more
  22. STEM,FLUID VALVE NSN 4820-01-180-3032 P/N 3197783 · 3197783 PIECE 5 · 101A718AB1 · 101A718AB1 · +4 more
  23. VALVE,GLOBE NSN 4820-01-179-5339 P/N 59081C-2 1/2IN FLGE · 2475-21/2IN BM82044 · 2.5 2475FM0TXXX · 59081C · +4 more
  24. DISK,VALVE NSN 4820-01-178-7107 P/N 2888335 · 2888335 · 2888335 · 2888335 · +4 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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