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556-6408040-AY97 — VALVE,BALL

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

556-6408040-AY97: VALVE,BALL.

The VALVE,BALL is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING BODY, connection_type: BUTT WELD PIPE ALL ENDS, connection_style: BEVELED (PIPE) ALL ENDS, style_designator: STRAIGHT THRU, operating_pressure: 3300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS, maximum_operating_temp: 160.0 FAHRENHEIT SINGLE RESPONSE DEGF. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-348-5815, 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
556-6408040-AY97
NSN: 4820-01-348-5815
FSC: 4820 — Valves, Nonpowered
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING BODY
connection_typeBUTT WELD PIPE ALL ENDS
connection_styleBEVELED (PIPE) ALL ENDS
style_designatorSTRAIGHT THRU
operating_pressure3300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
maximum_operating_temp160.0 FAHRENHEIT SINGLE RESPONSE DEGF
valve_operation_methodMANUAL
furnished_items_and_quantity1 HANDLE
nominal_pipe_size_accommodated2.500 INCHES ALL ENDS IN
NSN4820-01-348-5815
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 556-6408040-AY97 · 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 HANDLE
•
NOMINAL PIPE SIZE ACCOMMODATED: 2.500 INCHES ALL ENDS IN
•
CONNECTION STYLE: BEVELED (PIPE) ALL ENDS
•
CONNECTION TYPE: BUTT WELD PIPE ALL ENDS
•
STYLE DESIGNATOR: STRAIGHT THRU
•
OPERATING PRESSURE: 3300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
MAXIMUM OPERATING TEMP: 160.0 FAHRENHEIT SINGLE RESPONSE DEGF
•
MATERIAL: ALUMINUM ALLOY STEM
TECHNICAL CHARACTERISTICS
FURNISHED ITEMS AND QUANTITY1 HANDLE
NOMINAL PIPE SIZE ACCOMMODATED2.500 INCHES ALL ENDS IN
CONNECTION STYLEBEVELED (PIPE) ALL ENDS
CONNECTION TYPEBUTT WELD PIPE ALL ENDS
STYLE DESIGNATORSTRAIGHT THRU
OPERATING PRESSURE3300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
MAXIMUM OPERATING TEMP160.0 FAHRENHEIT SINGLE RESPONSE DEGF
MATERIALALUMINUM ALLOY STEM
MATERIALSTEEL CORROSION RESISTING FLOW CONTROL DEVICE
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 2
DF330688Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
211030920Same 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 556-6408040-AY97?
556-6408040-AY97 is a VALVE,BALL.
What parts can replace 556-6408040-AY97?
There are 2 known substitutes for 556-6408040-AY97: DF330688, 211030920. Substitute compatibility should be verified for your specific system.
What is the NSN for 556-6408040-AY97?
556-6408040-AY97 is cataloged in the U.S. Government catalog under NSN 4820-01-348-5815. 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.