DD4904 — VALVE,CHECK

✓ Government record, cited

— · GATE VALVE

PRODUCT OVERVIEW

DD4904: VALVE,CHECK.

The VALVE,CHECK is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY BODY, valve_size: 2.500 INCHES IN, flange_shape: ROUND WITH HOLES FIRST END, connection_type: FLANGE FIRST END, style_designator: STRAIGHT THRU FLANGED ENDS, mounting_position: HORIZONTAL OR VERTICAL. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-266-9519, 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

DD4904

NSN: 4820-00-266-9519
FSC: 4820 — Valves, Nonpowered
CAGE: 95321 — CLOW CORP MARINE VALVE PRODUCTS DIV (USA)

SPECIFICATIONS

material	COPPER ALLOY BODY
valve_size	2.500 INCHES IN
flange_shape	ROUND WITH HOLES FIRST END
connection_type	FLANGE FIRST END
style_designator	STRAIGHT THRU FLANGED ENDS
mounting_position	HORIZONTAL OR VERTICAL
nominal_thickness	0.500 INCHES FIRST END IN
bolt_hole_quantity	6 FIRST END
flange_face_design	PLAIN FIRST END
flow_control_device	DISK
face_to_face_distance	8.312 INCHES IN
valve_operation_method	AUTOMATIC
NSN	4820-00-266-9519

COMPONENT DIAGRAM

KEY FEATURES

•

FLOW CONTROL DEVICE: DISK

•

FLANGE SHAPE: ROUND WITH HOLES FIRST END

•

FURNISHED ITEMS AND QUANTITY: 1 LEVER

•

FLANGE FACE DESIGN: PLAIN FIRST END

•

BOLT CIRCLE NOMINAL DIAMETER: 5.000 INCHES FIRST END IN

•

MOUNTING POSITION: HORIZONTAL OR VERTICAL

•

CONNECTION TYPE: FLANGE FIRST END

•

STYLE DESIGNATOR: STRAIGHT THRU FLANGED ENDS

TECHNICAL CHARACTERISTICS

FLOW CONTROL DEVICE	DISK
FLANGE SHAPE	ROUND WITH HOLES FIRST END
FURNISHED ITEMS AND QUANTITY	1 LEVER
FLANGE FACE DESIGN	PLAIN FIRST END
BOLT CIRCLE NOMINAL DIAMETER	5.000 INCHES FIRST END IN
MOUNTING POSITION	HORIZONTAL OR VERTICAL
CONNECTION TYPE	FLANGE FIRST END
STYLE DESIGNATOR	STRAIGHT THRU FLANGED ENDS
BOLT HOLE NOMINAL DIAMETER	0.562 INCHES FIRST END IN
VALVE SIZE	2.500 INCHES IN

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 4

1281N 2 1-2INReference document

Same NSN cross-reference

Reference document — Design control — primary reference

MIL-V-17547 TYPEA CLASS 1Reference document

Same NSN cross-reference

Reference document — Secondary reference

MILV17547Reference document

Same NSN cross-reference

Reference document — Secondary reference

N8742-70Reference document

Same NSN cross-reference

Reference document — Secondary reference

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 DD4904?

DD4904 is a VALVE,CHECK.

What parts can replace DD4904?

There are 4 known substitutes for DD4904: 1281N 2 1-2IN, MIL-V-17547 TYPEA CLASS 1, MILV17547 and 1 more. Substitute compatibility should be verified for your specific system.

What is the NSN for DD4904?

DD4904 is cataloged in the U.S. Government catalog under NSN 4820-00-266-9519. This indicates validated use in U.S. government and defense supply chains.

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