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218012887 — PLATE,RETAINING,SHAFT

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

218012887: PLATE,RETAINING,SHAFT.

The PLATE,RETAINING,SHAFT is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY, special_features: CONSISTS OF 6406593-MPTD-A8 AND 6406593-MPTD-B8,INSIDE DIAMETER IS 1.250 IN. NOMINAL IN, end_item_identification: SEAWOLF CLASS SSN, valve_design_control_activity: 53711, material_document_and_classification: ASTM B15 ALLOY C632000 ASSN STD SINGLE MATERIAL RESPONSE.

This part is cataloged in the U.S. Government catalog under NSN 4820-01-428-8798, 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
218012887
NSN: 4820-01-428-8798
FSC: 4820 — Valves, Nonpowered
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialCOPPER ALLOY
special_featuresCONSISTS OF 6406593-MPTD-A8 AND 6406593-MPTD-B8,INSIDE DIAMETER IS 1.250 IN. NOMINAL IN
end_item_identificationSEAWOLF CLASS SSN
valve_design_control_activity53711
material_document_and_classificationASTM B15 ALLOY C632000 ASSN STD SINGLE MATERIAL RESPONSE
NSN4820-01-428-8798
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 218012887 · 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
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM B15 ALLOY C632000 ASSN STD SINGLE MATERIAL RESPONSE
•
VALVE DESIGN CONTROL ACTIVITY: 53711
•
MATERIAL: COPPER ALLOY
TECHNICAL CHARACTERISTICS
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B15 ALLOY C632000 ASSN STD SINGLE MATERIAL RESPONSE
SPECIAL FEATURESCONSISTS OF 6406593-MPTD-A8 AND 6406593-MPTD-B8,INSIDE DIAMETER IS 1.250 IN. NOMINAL IN
VALVE DESIGN CONTROL ACTIVITY53711
END ITEM IDENTIFICATIONSEAWOLF CLASS SSN
MATERIALCOPPER ALLOY
SUBSTITUTES & CROSS-REFERENCES 5
6406593Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
C791-6301 FN MTPD-A8Reference document
Same NSN cross-reference
Reference document — Secondary reference
6406593-MPTD-A8, -B8Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
6406593-MTPD-A8Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
556-6406593-MTPD-A8Same 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 218012887?
218012887 is a PLATE,RETAINING,SHAFT.
What parts can replace 218012887?
There are 5 known substitutes for 218012887: 6406593, C791-6301 FN MTPD-A8, 6406593-MPTD-A8, -B8 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 218012887?
218012887 is cataloged in the U.S. Government catalog under NSN 4820-01-428-8798. This indicates validated use in U.S. government and defense supply chains.
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