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6406593-MTPD-A11 — PLATE,RETAINING,SHAFT

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

6406593-MTPD-A11: PLATE,RETAINING,SHAFT.

The PLATE,RETAINING,SHAFT is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY, overall_length: 3.540 INCHES NOMINAL IN, end_item_identification: SEAWOLF CLASS SSN, stem_actuating_end_type: SQUARE, largest_outside_diameter: 0.861 INCHES NOMINAL IN, valve_type_for_which_designed: BALL. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-429-0340, 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
6406593-MTPD-A11
NSN: 4820-01-429-0340
FSC: 4820 — Valves, Nonpowered
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialCOPPER ALLOY
overall_length3.540 INCHES NOMINAL IN
end_item_identificationSEAWOLF CLASS SSN
stem_actuating_end_typeSQUARE
largest_outside_diameter0.861 INCHES NOMINAL IN
valve_type_for_which_designedBALL
NSN4820-01-429-0340
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 6406593-MTPD-A11 · 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: 0.861 INCHES NOMINAL IN
•
STEM ACTUATING END TYPE: SQUARE
•
MATERIAL: COPPER ALLOY
TECHNICAL CHARACTERISTICS
VALVE TYPE FOR WHICH DESIGNEDBALL
LARGEST OUTSIDE DIAMETER0.861 INCHES NOMINAL IN
STEM ACTUATING END TYPESQUARE
OVERALL LENGTH3.540 INCHES NOMINAL IN
END ITEM IDENTIFICATIONSEAWOLF CLASS SSN
MATERIALCOPPER ALLOY
SUBSTITUTES & CROSS-REFERENCES 3
6406593Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
C791-6301 FN MTPD-A11Reference document
Same NSN cross-reference
Reference document — Secondary reference
556-6406593-MTPD-A11Same 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 6406593-MTPD-A11?
6406593-MTPD-A11 is a PLATE,RETAINING,SHAFT.
What parts can replace 6406593-MTPD-A11?
There are 3 known substitutes for 6406593-MTPD-A11: 6406593, C791-6301 FN MTPD-A11, 556-6406593-MTPD-A11. Substitute compatibility should be verified for your specific system.
What is the NSN for 6406593-MTPD-A11?
6406593-MTPD-A11 is cataloged in the U.S. Government catalog under NSN 4820-01-429-0340. 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.