PartsTable
Technical Data Sheet
Download PDF

6406593-MTPD-A1 — PLATE,RETAINING,SHAFT

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

6406593-MTPD-A1: PLATE,RETAINING,SHAFT.

The PLATE,RETAINING,SHAFT is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYAMIDE NYLON OVERALL, seat_radius: 0.470 INCHES NOMINAL IN, overall_height: 0.375 INCHES NOMINAL IN, style_designator: PLAIN, body_inside_diameter: 1.250 INCHES NOMINAL IN, body_outside_diameter: 2.123 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-429-0168, 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-A1
NSN: 4820-01-429-0168
FSC: 4820 — Valves, Nonpowered
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialPLASTIC POLYAMIDE NYLON OVERALL
seat_radius0.470 INCHES NOMINAL IN
overall_height0.375 INCHES NOMINAL IN
style_designatorPLAIN
body_inside_diameter1.250 INCHES NOMINAL IN
body_outside_diameter2.123 INCHES NOMINAL IN
seating_surface_shapeRADIAL
end_item_identificationSEAWOLF CLASS SSN
NSN4820-01-429-0168
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 6406593-MTPD-A1 · 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
•
BODY OUTSIDE DIAMETER: 2.123 INCHES NOMINAL IN
•
STYLE DESIGNATOR: PLAIN
•
BODY INSIDE DIAMETER: 1.250 INCHES NOMINAL IN
•
SEAT RADIUS: 0.470 INCHES NOMINAL IN
•
MATERIAL: PLASTIC POLYAMIDE NYLON OVERALL
•
SEATING SURFACE SHAPE: RADIAL
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.375 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER2.123 INCHES NOMINAL IN
STYLE DESIGNATORPLAIN
BODY INSIDE DIAMETER1.250 INCHES NOMINAL IN
SEAT RADIUS0.470 INCHES NOMINAL IN
END ITEM IDENTIFICATIONSEAWOLF CLASS SSN
MATERIALPLASTIC POLYAMIDE NYLON OVERALL
SEATING SURFACE SHAPERADIAL
SUBSTITUTES & CROSS-REFERENCES 3
556-6406593-MTPD-A10Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
C791-6301 FN MTPD-A10Reference document
Same NSN cross-reference
Reference document — Secondary reference
6406593Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy 6406593-MTPD-A1?
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 6406593-MTPD-A1?
6406593-MTPD-A1 is a PLATE,RETAINING,SHAFT.
What parts can replace 6406593-MTPD-A1?
There are 3 known substitutes for 6406593-MTPD-A1: 556-6406593-MTPD-A10, C791-6301 FN MTPD-A10, 6406593. Substitute compatibility should be verified for your specific system.
What is the NSN for 6406593-MTPD-A1?
6406593-MTPD-A1 is cataloged in the U.S. Government catalog under NSN 4820-01-429-0168. 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 — 6406593-MTPD-A1

✓ 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.