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342-7067318-8 — VALVE,CHECK

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

342-7067318-8: VALVE,CHECK.

The VALVE,CHECK is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 670 BODY, special_features: SEE NOTES 26 AND 7009 ON DRWING 7067318 OR H643-6503, style_designator: STRAIGHT THRU, valve_operation_method: AUTOMATIC, end_item_identification: E/I:HOIST CYLINDER,SNORKEL INDUCTION MAST., material_document_and_classification: QQ-B-728 CL-A 1/2 HARD FED SPEC SINGLE MATERIAL RESPONSE BODY. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-499-1440, 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
342-7067318-8
NSN: 4820-01-499-1440
FSC: 4820 — Valves, Nonpowered
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialCOPPER ALLOY 670 BODY
special_featuresSEE NOTES 26 AND 7009 ON DRWING 7067318 OR H643-6503
style_designatorSTRAIGHT THRU
valve_operation_methodAUTOMATIC
end_item_identificationE/I:HOIST CYLINDER,SNORKEL INDUCTION MAST.
material_document_and_classificationQQ-B-728 CL-A 1/2 HARD FED SPEC SINGLE MATERIAL RESPONSE BODY
NSN4820-01-499-1440
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 342-7067318-8 · 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
•
STYLE DESIGNATOR: STRAIGHT THRU
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-B-728 CL-A 1/2 HARD FED SPEC SINGLE MATERIAL RESPONSE BODY
•
MATERIAL: COPPER ALLOY 670 BODY
•
VALVE OPERATION METHOD: AUTOMATIC
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORSTRAIGHT THRU
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-728 CL-A 1/2 HARD FED SPEC SINGLE MATERIAL RESPONSE BODY
SPECIAL FEATURESSEE NOTES 26 AND 7009 ON DRWING 7067318 OR H643-6503
END ITEM IDENTIFICATIONE/I:HOIST CYLINDER,SNORKEL INDUCTION MAST.
MATERIALCOPPER ALLOY 670 BODY
VALVE OPERATION METHODAUTOMATIC
SUBSTITUTES & CROSS-REFERENCES 2
7067318Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
H643-6503-8Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 342-7067318-8?
342-7067318-8 is a VALVE,CHECK.
What parts can replace 342-7067318-8?
There are 2 known substitutes for 342-7067318-8: 7067318, H643-6503-8. Substitute compatibility should be verified for your specific system.
What is the NSN for 342-7067318-8?
342-7067318-8 is cataloged in the U.S. Government catalog under NSN 4820-01-499-1440. 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.