203579940M — VALVE,SAFETY RELIEF

✓ Government record, cited

— · GATE VALVE

PRODUCT OVERVIEW

203579940M: 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

203579940M

NSN: 4820-01-256-8527
NIINs: 012568527, 012706204
FSC: 4820 — Valves, Nonpowered
CAGE: 15187 — EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP DIV NAVY PRODUCT TEAM (USA)

SPECIFICATIONS

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
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
reference_number_differentiating_characteristics	QUALITY CONTROLLED IAW NAVY LEVEL 1 ASSURANCE GUILDE,CLEANED IAW MIL-C-52211
NSN	4820-01-256-8527

COMPONENT DIAGRAM

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 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
SPECIAL FEATURES	REQUIRES SPECIAL CLEANING AND PACKAGING IAW MIL-C-52211,FOR OXYGEN/NITROGEN/HYDROGEN SERVICE
MEDIA FOR WHICH DESIGNED	OXYGEN, GASEOUS SINGLE RESPONSE
MATERIAL	NICKEL ALLOY 400 OR NICKEL ALLOY R-405 BODY

SUBSTITUTES & CROSS-REFERENCES 1

203579940MCPSame NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

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 203579940M?

203579940M is a VALVE,SAFETY RELIEF.

What parts can replace 203579940M?

There is 1 known substitute for 203579940M: 203579940MCP. Substitute compatibility should be verified for your specific system.

What is the NSN for 203579940M?

203579940M 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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203579940M — VALVE,SAFETY RELIEF

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