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D6264251 — DIAPHRAGM,VALVE,FLAT

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

D6264251: DIAPHRAGM,VALVE,FLAT.

The DIAPHRAGM,VALVE,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, flange_shape: ROUND WITH HOLES FIRST END, overall_length: 6.800 INCHES NOMINAL IN, connection_type: FLANGE FIRST END, style_designator: STRAIGHT THRU, mounting_facility: BULKHEAD. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-332-2639, 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
D6264251
NSN: 4820-01-332-2639
NIINs: 013322639, 014508353, 014508355
FSC: 4820 — Valves, Nonpowered
CAGE: 6V279 — ANDERSON METAL INDUSTRIES INC (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
flange_shapeROUND WITH HOLES FIRST END
overall_length6.800 INCHES NOMINAL IN
connection_typeFLANGE FIRST END
style_designatorSTRAIGHT THRU
mounting_facilityBULKHEAD
bolt_hole_quantity6 FIRST END
flange_face_designPLAIN FIRST END
supplementary_featuresFLOW CONTROL DEVICE: DIAPHRAGM
valve_operation_methodAUTOMATIC
end_item_identificationWHIDBEY ISLAND CLASS LSD
stem_actuating_end_typeSLOTTED
NSN4820-01-332-2639
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: D6264251 · 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
•
FLANGE SHAPE: ROUND WITH HOLES FIRST END
•
FLANGE FACE DESIGN: PLAIN FIRST END
•
SUPPLEMENTARY FEATURES: FLOW CONTROL DEVICE: DIAPHRAGM
•
CONNECTION TYPE: FLANGE FIRST END
•
STYLE DESIGNATOR: STRAIGHT THRU
•
MOUNTING FACILITY: BULKHEAD
•
BOLT HOLE QUANTITY: 6 FIRST END
•
VALVE OPERATION METHOD: AUTOMATIC
TECHNICAL CHARACTERISTICS
FLANGE SHAPEROUND WITH HOLES FIRST END
FLANGE FACE DESIGNPLAIN FIRST END
SUPPLEMENTARY FEATURESFLOW CONTROL DEVICE: DIAPHRAGM
CONNECTION TYPEFLANGE FIRST END
STYLE DESIGNATORSTRAIGHT THRU
MOUNTING FACILITYBULKHEAD
BOLT HOLE QUANTITY6 FIRST END
VALVE OPERATION METHODAUTOMATIC
SUBSTITUTES & CROSS-REFERENCES 2
6264251 8INCH 0T1500 CFMReference document
Same NSN cross-reference
Reference document — Secondary reference
6264251Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is D6264251?
D6264251 is a DIAPHRAGM,VALVE,FLAT.
What parts can replace D6264251?
There are 2 known substitutes for D6264251: 6264251 8INCH 0T1500 CFM, 6264251. Substitute compatibility should be verified for your specific system.
What is the NSN for D6264251?
D6264251 is cataloged in the U.S. Government catalog under NSN 4820-01-332-2639. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.