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4057718 — COVER PLATE,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

4057718: COVER PLATE,VALVE.

The COVER PLATE,VALVE is a the manufacturer industrial component. Key specifications include special_features: LIPPED EXHALATION VALVE COVER NOTCHED FOR BACOMM, general_characteristics_item_description: CBRN COVER. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-571-8746, 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
4057718
NSN: 4820-01-571-8746
FSC: 4820 — Valves, Nonpowered
CAGE: 6L622 — DRAEGER INC (USA)
SPECIFICATIONS
special_featuresLIPPED EXHALATION VALVE COVER NOTCHED FOR BACOMM
general_characteristics_item_descriptionCBRN COVER
NSN4820-01-571-8746
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 4057718 · 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
KEY FEATURES
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: CBRN COVER
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONCBRN COVER
SPECIAL FEATURESLIPPED EXHALATION VALVE COVER NOTCHED FOR BACOMM
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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Demilitarization required — mutilation
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FREQUENTLY ASKED QUESTIONS
What is 4057718?
4057718 is a COVER PLATE,VALVE.
What is the NSN for 4057718?
4057718 is cataloged in the U.S. Government catalog under NSN 4820-01-571-8746. 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.