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DF330687-AY78 — VALVE,BALL

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

DF330687-AY78: VALVE,BALL.

The VALVE,BALL is a the manufacturer industrial component. Key specifications include material: BRONZE STEM, bonnet_type: PACKING RETAINING, connection_type: UNTHREADED INTERNAL PIPE ALL ENDS, connection_style: SOCKET ALL ENDS, special_features: MATERIAL: STEEL CORROSION RESISTING BODY STEEL CORROSION RESISTING FLOW CONTROL DEVICE, style_designator: STRAIGHT THRU. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-352-1773, 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
DF330687-AY78
NSN: 4820-01-352-1773
FSC: 4820 — Valves, Nonpowered
CAGE: 43689 — HUNTINGTON INGALLS INC DIV NEWPORT NEWS SHIPBUILDING (USA)
SPECIFICATIONS
materialBRONZE STEM
bonnet_typePACKING RETAINING
connection_typeUNTHREADED INTERNAL PIPE ALL ENDS
connection_styleSOCKET ALL ENDS
special_featuresMATERIAL: STEEL CORROSION RESISTING BODY STEEL CORROSION RESISTING FLOW CONTROL DEVICE
style_designatorSTRAIGHT THRU
valve_operation_methodMANUAL
furnished_items_and_quantity1 LEVER
nominal_pipe_size_accommodated2.000 INCHES ALL ENDS IN
NSN4820-01-352-1773
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: DF330687-AY78 · 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
•
FURNISHED ITEMS AND QUANTITY: 1 LEVER
•
NOMINAL PIPE SIZE ACCOMMODATED: 2.000 INCHES ALL ENDS IN
•
CONNECTION STYLE: SOCKET ALL ENDS
•
CONNECTION TYPE: UNTHREADED INTERNAL PIPE ALL ENDS
•
STYLE DESIGNATOR: STRAIGHT THRU
•
BONNET TYPE: PACKING RETAINING
•
MATERIAL: STEEL CORROSION RESISTING FLOW CONTROL DEVICE
TECHNICAL CHARACTERISTICS
FURNISHED ITEMS AND QUANTITY1 LEVER
NOMINAL PIPE SIZE ACCOMMODATED2.000 INCHES ALL ENDS IN
CONNECTION STYLESOCKET ALL ENDS
CONNECTION TYPEUNTHREADED INTERNAL PIPE ALL ENDS
STYLE DESIGNATORSTRAIGHT THRU
BONNET TYPEPACKING RETAINING
SPECIAL FEATURESMATERIAL: STEEL CORROSION RESISTING BODY STEEL CORROSION RESISTING FLOW CONTROL DEVICE
MATERIALSTEEL CORROSION RESISTING FLOW CONTROL DEVICE
MATERIALBRONZE STEM
MATERIALSTEEL CORROSION RESISTING BODY
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 1
211030917Same 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 DF330687-AY78?
DF330687-AY78 is a VALVE,BALL.
What parts can replace DF330687-AY78?
There is 1 known substitute for DF330687-AY78: 211030917. Substitute compatibility should be verified for your specific system.
What is the NSN for DF330687-AY78?
DF330687-AY78 is cataloged in the U.S. Government catalog under NSN 4820-01-352-1773. This indicates validated use in U.S. government and defense supply chains.
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