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801-6404951-34 — PARTS KIT,BALL VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

801-6404951-34: PARTS KIT,BALL VALVE.

The PARTS KIT,BALL VALVE is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY 400 OVERALL, head_style: ROUND, head_height: 0.492 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN, thread_class: 3A A, head_diameter: 0.735 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN, thread_length: 3.000 INCHES MINIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-345-5707, 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
801-6404951-34
NSN: 4820-01-345-5707
NIINs: 013455707, 014438689
FSC: 4820 — Valves, Nonpowered
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialNICKEL ALLOY 400 OVERALL
head_styleROUND
head_height0.492 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
thread_class3A A
head_diameter0.735 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
thread_length3.000 INCHES MINIMUM IN
fastener_length4.500 INCHES NOMINAL IN
thread_directionRIGHT-HAND
width_across_flats0.375 INCHES NOMINAL IN
internal_drive_styleHEXAGON
nominal_thread_diameter0.500 INCHES IN
thread_quantity_per_inch13
NSN4820-01-345-5707
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 801-6404951-34 · 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
•
COMPONENT QUANTITY: 2
•
END ITEM SOURCE: 53711
•
CRITICALITY CODE JUSTIFICATION: ZZZY
•
END ITEM NAME: VALVE
•
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: QUALITY ASSURANCE TESTED FOR SURFFACE OR SUBMARINE APPLICATION
TECHNICAL CHARACTERISTICS
COMPONENT QUANTITY2
END ITEM SOURCE53711
CRITICALITY CODE JUSTIFICATIONZZZY
END ITEM NAMEVALVE
END ITEM IDENTIFICATIONVALVE BALL
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSQUALITY ASSURANCE TESTED FOR SURFFACE OR SUBMARINE APPLICATION
SUBSTITUTES & CROSS-REFERENCES 2
801-6404951-3,4QASame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
211036574 AND 211036577Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 801-6404951-34?
801-6404951-34 is a PARTS KIT,BALL VALVE.
What parts can replace 801-6404951-34?
There are 2 known substitutes for 801-6404951-34: 801-6404951-3,4QA, 211036574 AND 211036577. Substitute compatibility should be verified for your specific system.
What is the NSN for 801-6404951-34?
801-6404951-34 is cataloged in the U.S. Government catalog under NSN 4820-01-345-5707. 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.