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D841-4050CP — VALVE,SAFETY RELIEF

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

D841-4050CP: VALVE,SAFETY RELIEF.

The VALVE,SAFETY RELIEF is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY 400 FLOW CONTROL DEVICE, style_designator: ANGLE, operating_pressure: 400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS, disk_loading_method: SPRING, flow_control_device: DISK, media_for_which_designed: OXYGEN, LIQUID SINGLE RESPONSE. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-256-8744, 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
D841-4050CP
NSN: 4820-01-256-8744
FSC: 4820 — Valves, Nonpowered
CAGE: 03950 — NAVAL INVENTORY CONTROL POINT MECHANICSBURG (USA)
SPECIFICATIONS
materialNICKEL ALLOY 400 FLOW CONTROL DEVICE
style_designatorANGLE
operating_pressure400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
disk_loading_methodSPRING
flow_control_deviceDISK
media_for_which_designedOXYGEN, LIQUID SINGLE RESPONSE
opening_pressure_setting80.0 POUNDS PER SQUARE INCH LBS
valve_discharge_flow_rate128.0 CUBIC FEET PER MINUTE
criticality_code_justificationZZZY
material_document_and_classificationQQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE STEM
reference_number_differentiating_characteristicsCLEANING, PACKAGING, AND MARKING IAW THE LATEST REVISION OF MIL-STD-1330
NSN4820-01-256-8744
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: D841-4050CP · 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
•
FLOW CONTROL DEVICE: DISK
•
CRITICALITY CODE JUSTIFICATION: ZZZY
•
STYLE DESIGNATOR: ANGLE
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM B61 ASSN STD SINGLE MATERIAL RESPONSE BODY
•
OPERATING PRESSURE: 400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEDISK
CRITICALITY CODE JUSTIFICATIONZZZY
STYLE DESIGNATORANGLE
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B61 ASSN STD SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE STEM
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE SEAT
OPERATING PRESSURE400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
DISK LOADING METHODSPRING
MEDIA FOR WHICH DESIGNEDOXYGEN, LIQUID SINGLE RESPONSE
SUBSTITUTES & CROSS-REFERENCES 4
UU-1551-TCPReference document
Same NSN cross-reference
Reference document — Design control — primary reference
UU-1551-TSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
D841-4050Reference document
Same NSN cross-reference
Reference document — Secondary reference
9955.K 5IM,TYPEReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 D841-4050CP?
D841-4050CP is a VALVE,SAFETY RELIEF.
What parts can replace D841-4050CP?
There are 4 known substitutes for D841-4050CP: UU-1551-TCP, UU-1551-T, D841-4050 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for D841-4050CP?
D841-4050CP is cataloged in the U.S. Government catalog under NSN 4820-01-256-8744. This indicates validated use in U.S. government and defense supply chains.
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