PartsTable
Technical Data Sheet
Download PDF

556-6405334-51 — PARTS KIT,BALL VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

556-6405334-51: PARTS KIT,BALL VALVE.

The PARTS KIT,BALL VALVE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY, overall_length: 3.910 INCHES NOMINAL IN, stem_actuating_end_type: THREADED EXTERNALLY, largest_outside_diameter: 0.873 INCHES NOMINAL IN, valve_size_for_which_designed: 0.500 INCHES IN, valve_type_for_which_designed: BALL. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-349-7905, 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
556-6405334-51
NSN: 4820-01-349-7905
FSC: 4820 — Valves, Nonpowered
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialCOPPER ALLOY
overall_length3.910 INCHES NOMINAL IN
stem_actuating_end_typeTHREADED EXTERNALLY
largest_outside_diameter0.873 INCHES NOMINAL IN
valve_size_for_which_designed0.500 INCHES IN
valve_type_for_which_designedBALL
NSN4820-01-349-7905
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 556-6405334-51 · 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
•
VALVE TYPE FOR WHICH DESIGNED: BALL
•
LARGEST OUTSIDE DIAMETER: 0.873 INCHES NOMINAL IN
•
STEM ACTUATING END TYPE: THREADED EXTERNALLY
•
VALVE SIZE FOR WHICH DESIGNED: 0.500 INCHES IN
•
MATERIAL: COPPER ALLOY
TECHNICAL CHARACTERISTICS
VALVE TYPE FOR WHICH DESIGNEDBALL
LARGEST OUTSIDE DIAMETER0.873 INCHES NOMINAL IN
STEM ACTUATING END TYPETHREADED EXTERNALLY
OVERALL LENGTH3.910 INCHES NOMINAL IN
VALVE SIZE FOR WHICH DESIGNED0.500 INCHES IN
MATERIALCOPPER ALLOY
SUBSTITUTES & CROSS-REFERENCES 3
6405334Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
211036175Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
15107730Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy 556-6405334-51?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 556-6405334-51?
556-6405334-51 is a PARTS KIT,BALL VALVE.
What parts can replace 556-6405334-51?
There are 3 known substitutes for 556-6405334-51: 6405334, 211036175, 15107730. Substitute compatibility should be verified for your specific system.
What is the NSN for 556-6405334-51?
556-6405334-51 is cataloged in the U.S. Government catalog under NSN 4820-01-349-7905. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 556-6405334-51

✓ 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.