D841-4052 — VALVE,SAFETY RELIEF

✓ Government record, cited

— · GATE VALVE

PRODUCT OVERVIEW

D841-4052: VALVE,SAFETY RELIEF.

The VALVE,SAFETY RELIEF is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING STEM, style_designator: ANGLE, operating_pressure: 460.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS, disk_loading_method: SPRING, flow_control_device: DISK, maximum_operating_temp: 165.0 FAHRENHEIT SINGLE RESPONSE DEGF. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-256-8745, 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

D841-4052

NSN: 4820-01-256-8745
FSC: 4820 — Valves, Nonpowered
CAGE: 96101 — GAS EQUIPMENT ENGINEERING CORPORATION, THE DBA GEECO (USA)

SPECIFICATIONS

material	STEEL CORROSION RESISTING STEM
style_designator	ANGLE
operating_pressure	460.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
disk_loading_method	SPRING
flow_control_device	DISK
maximum_operating_temp	165.0 FAHRENHEIT SINGLE RESPONSE DEGF
media_for_which_designed	OXYGEN, LIQUID SINGLE RESPONSE
furnished_items_and_quantity	2 TAILPIECE
criticality_code_justification	ZZZY
material_document_and_classification	ASTM B61 ASSN STD SINGLE MATERIAL RESPONSE BODY
reference_number_differentiating_characteristics	CLEANING, PACKAGING, AND MARKING IAW THE LATEST REVISION OF MIL-STD-1330
NSN	4820-01-256-8745

COMPONENT DIAGRAM

KEY FEATURES

•

FLOW CONTROL DEVICE: DISK

•

FURNISHED ITEMS AND QUANTITY: 2 TAILPIECE

•

CRITICALITY CODE JUSTIFICATION: ZZZY

•

STYLE DESIGNATOR: ANGLE

•

MATERIAL DOCUMENT AND CLASSIFICATION: ASTM B61 ASSN STD SINGLE MATERIAL RESPONSE BODY

TECHNICAL CHARACTERISTICS

FLOW CONTROL DEVICE	DISK
FURNISHED ITEMS AND QUANTITY	2 TAILPIECE
CRITICALITY CODE JUSTIFICATION	ZZZY
STYLE DESIGNATOR	ANGLE
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM B61 ASSN STD SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM B16 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
MATERIAL DOCUMENT AND CLASSIFICATION	AISI 303 ASSN STD SINGLE MATERIAL RESPONSE SEAT
MATERIAL DOCUMENT AND CLASSIFICATION	AISI 303 ASSN STD SINGLE MATERIAL RESPONSE STEM
OPERATING PRESSURE	460.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
MAXIMUM OPERATING TEMP	165.0 FAHRENHEIT SINGLE RESPONSE DEGF

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 2

D841-4952Reference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

D841-4052CPSame 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 D841-4052?

D841-4052 is a VALVE,SAFETY RELIEF.

What parts can replace D841-4052?

There are 2 known substitutes for D841-4052: D841-4952, D841-4052CP. Substitute compatibility should be verified for your specific system.

What is the NSN for D841-4052?

D841-4052 is cataloged in the U.S. Government catalog under NSN 4820-01-256-8745. This indicates validated use in U.S. government and defense supply chains.

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