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801-6405351-3 — TAILPIECE,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

801-6405351-3: TAILPIECE,VALVE.

The TAILPIECE,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL, design_type: STRAIGHT, special_features: CXCY - FLANGE JACKING; FIRST END UNTHREADED, SECOND END THREADED INTERNAL PIPE, 1/375-12UNF-2B; 6.750 X 6.750 X 1.000, end_item_identification: 1" IPS BALL VALVE P/N 11-NS-0405Z, valve_size_for_which_designed: 1.000 INCHES IN, valve_model_number_for_which_designed: 11-NS-0405Z. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-572-8010, 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
801-6405351-3
NSN: 4820-01-572-8010
FSC: 4820 — Valves, Nonpowered
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialSTEEL
design_typeSTRAIGHT
special_featuresCXCY - FLANGE JACKING; FIRST END UNTHREADED, SECOND END THREADED INTERNAL PIPE, 1/375-12UNF-2B; 6.750 X 6.750 X 1.000
end_item_identification1" IPS BALL VALVE P/N 11-NS-0405Z
valve_size_for_which_designed1.000 INCHES IN
valve_model_number_for_which_designed11-NS-0405Z
NSN4820-01-572-8010
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 801-6405351-3 · 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
•
DESIGN TYPE: STRAIGHT
•
VALVE MODEL NUMBER FOR WHICH DESIGNED: 11-NS-0405Z
•
VALVE SIZE FOR WHICH DESIGNED: 1.000 INCHES IN
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
DESIGN TYPESTRAIGHT
VALVE MODEL NUMBER FOR WHICH DESIGNED11-NS-0405Z
VALVE SIZE FOR WHICH DESIGNED1.000 INCHES IN
SPECIAL FEATURESCXCY - FLANGE JACKING; FIRST END UNTHREADED, SECOND END THREADED INTERNAL PIPE, 1/375-12UNF-2B; 6.750 X 6.750 X 1.000
END ITEM IDENTIFICATION1" IPS BALL VALVE P/N 11-NS-0405Z
MATERIALSTEEL
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
DF330718-3Same 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 801-6405351-3?
801-6405351-3 is a TAILPIECE,VALVE.
What parts can replace 801-6405351-3?
There is 1 known substitute for 801-6405351-3: DF330718-3. Substitute compatibility should be verified for your specific system.
What is the NSN for 801-6405351-3?
801-6405351-3 is cataloged in the U.S. Government catalog under NSN 4820-01-572-8010. 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.