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203579940MCP — VALVE,SAFETY RELIEF

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

203579940MCP: VALVE,SAFETY RELIEF.

The VALVE,SAFETY RELIEF is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY 400 OR NICKEL ALLOY R-405 BODY, special_features: REQUIRES SPECIAL CLEANING AND PACKAGING IAW MIL-C-52211,FOR OXYGEN/NITROGEN/HYDROGEN SERVICE, style_designator: ANGLE, operating_pressure: 6800.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS, media_for_which_designed: OXYGEN, GASEOUS SINGLE RESPONSE, criticality_code_justification: FEAT. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-256-8527, 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
203579940MCP
NSN: 4820-01-256-8527
FSC: 4820 — Valves, Nonpowered
CAGE: 03950 — NAVAL INVENTORY CONTROL POINT MECHANICSBURG (USA)
SPECIFICATIONS
materialNICKEL ALLOY 400 OR NICKEL ALLOY R-405 BODY
special_featuresREQUIRES SPECIAL CLEANING AND PACKAGING IAW MIL-C-52211,FOR OXYGEN/NITROGEN/HYDROGEN SERVICE
style_designatorANGLE
operating_pressure6800.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
media_for_which_designedOXYGEN, GASEOUS SINGLE RESPONSE
criticality_code_justificationFEAT
material_document_and_classificationQQ-N-281,CLASS A FED SPEC 1ST MATERIAL RESPONSE OR QQ-N-281 CLASS B FED SPEC 2ND MATERIAL RESPONSE BODY
NSN4820-01-256-8527
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 203579940MCP · 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
•
CRITICALITY CODE JUSTIFICATION: FEAT
•
STYLE DESIGNATOR: ANGLE
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-N-281,CLASS A FED SPEC 1ST MATERIAL RESPONSE OR QQ-N-281 CLASS B FED SPEC 2ND MATERIAL RESPONSE BODY
•
OPERATING PRESSURE: 6800.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
MEDIA FOR WHICH DESIGNED: OXYGEN, GASEOUS SINGLE RESPONSE
•
MATERIAL: NICKEL ALLOY 400 OR NICKEL ALLOY R-405 BODY
TECHNICAL CHARACTERISTICS
CRITICALITY CODE JUSTIFICATIONFEAT
STYLE DESIGNATORANGLE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281,CLASS A FED SPEC 1ST MATERIAL RESPONSE OR QQ-N-281 CLASS B FED SPEC 2ND MATERIAL RESPONSE BODY
OPERATING PRESSURE6800.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
SPECIAL FEATURESREQUIRES SPECIAL CLEANING AND PACKAGING IAW MIL-C-52211,FOR OXYGEN/NITROGEN/HYDROGEN SERVICE
MEDIA FOR WHICH DESIGNEDOXYGEN, GASEOUS SINGLE RESPONSE
MATERIALNICKEL ALLOY 400 OR NICKEL ALLOY R-405 BODY
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 203579940MCP?
203579940MCP is a VALVE,SAFETY RELIEF.
What is the NSN for 203579940MCP?
203579940MCP is cataloged in the U.S. Government catalog under NSN 4820-01-256-8527. This indicates validated use in U.S. government and defense supply chains.
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