PartsTable
Technical Data Sheet

8843578/SHT40,357-358 — COCK,POPPET DRAIN

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

8843578/SHT40,357-358: COCK,POPPET DRAIN.

The COCK,POPPET DRAIN is a the manufacturer industrial component. Key specifications include part_name_assigned_by_controlling_agency: RETAINER, PACKING BA. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-733-0482, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
8843578/SHT40,357-358
NSN: 4820-01-733-0482
FSC: 4820 — Valves, Nonpowered
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
part_name_assigned_by_controlling_agencyRETAINER, PACKING BA
NSN4820-01-733-0482
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 8843578/SHT40,357-358 · OEM ⚠ VERIFY BEFORE ORDERING Gate valves = FULL OPEN or FULL CLOSE only — never throttle. Partial opening causes seat erosion and vibration. ✓ BROKER TIP Rising stem shows valve position visually — easier maintenance. Non-rising stem saves headroom. PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
OTHER ITEMS IN FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097 4820-00-001-0010 4820-00-001-0020 4820-00-001-0021 4820-00-001-0032 4820-00-001-0037 4820-00-001-0042 4820-00-001-1230
SUBSTITUTES & CROSS-REFERENCES 7
8843578Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
R6437002-A11L1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
512-8843578-A11Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LOA043286-A11L1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
512-8843578-A11L1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
R6437002-A11Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 8843578/SHT40,357-358?
8843578/SHT40,357-358 is a COCK,POPPET DRAIN.
What parts can replace 8843578/SHT40,357-358?
There are 7 known substitutes for 8843578/SHT40,357-358: 8843578, R6437002-A11L1, 512-8843578-A11 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 8843578/SHT40,357-358?
8843578/SHT40,357-358 is cataloged in the U.S. Government catalog under NSN 4820-01-733-0482. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.