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21587-400-1Q5 — SUBPLATE ASSEMBLY,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

21587-400-1Q5: SUBPLATE ASSEMBLY,VALVE.

The SUBPLATE ASSEMBLY,VALVE is a the manufacturer industrial component. Key specifications include end_item_identification: SUBPLATE ASSEMBLY,VALVE, criticality_code_justification: ZZZY, part_name_assigned_by_controlling_agency: SUBPLATE ASSEMBLY. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-716-4653, 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
21587-400-1Q5
NSN: 4820-01-716-4653
FSC: 4820 — Valves, Nonpowered
CAGE: 03950 — NAVAL INVENTORY CONTROL POINT MECHANICSBURG (USA)
SPECIFICATIONS
end_item_identificationSUBPLATE ASSEMBLY,VALVE
criticality_code_justificationZZZY
part_name_assigned_by_controlling_agencySUBPLATE ASSEMBLY
NSN4820-01-716-4653
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 21587-400-1Q5 · 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
•
CRITICALITY CODE JUSTIFICATION: ZZZY
•
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: AN ITEM THAT SUPPORTS SUBSAFE CRITICAL SYSTEMS AND REQUIRES OBJECTIVE QUALITY EVIDENCE THAT QUALITY ASSURANCE REQUIREMENTS HAVE BEEN MET, INCLUDING CERTIFICATION OF TESTS FOR HYDROSTATIC AND/OR OPERATIONAL TESTING AND ITEM SERIALIZATION TRACEABLE TO THE CERTIFICATIONS DURING INITIAL PROCUREMENT AND ANY SUBSEQUENT REPAIRS. GOVERNMENT SOURCE INSPECTION IS INVOLVED
TECHNICAL CHARACTERISTICS
CRITICALITY CODE JUSTIFICATIONZZZY
PART NAME ASSIGNED BY CONTROLLING AGENCYSUBPLATE ASSEMBLY
END ITEM IDENTIFICATIONSUBPLATE ASSEMBLY,VALVE
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSAN ITEM THAT SUPPORTS SUBSAFE CRITICAL SYSTEMS AND REQUIRES OBJECTIVE QUALITY EVIDENCE THAT QUALITY ASSURANCE REQUIREMENTS HAVE BEEN MET, INCLUDING CERTIFICATION OF TESTS FOR HYDROSTATIC AND/OR OPERATIONAL TESTING AND ITEM SERIALIZATION TRACEABLE TO THE CERTIFICATIONS DURING INITIAL PROCUREMENT AND ANY SUBSEQUENT REPAIRS. GOVERNMENT SOURCE INSPECTION IS INVOLVED
SUBSTITUTES & CROSS-REFERENCES 1
21587-400-1Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)Demilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is 21587-400-1Q5?
21587-400-1Q5 is a SUBPLATE ASSEMBLY,VALVE.
What parts can replace 21587-400-1Q5?
There is 1 known substitute for 21587-400-1Q5: 21587-400-1. Substitute compatibility should be verified for your specific system.
What is the NSN for 21587-400-1Q5?
21587-400-1Q5 is cataloged in the U.S. Government catalog under NSN 4820-01-716-4653. This indicates validated use in U.S. government and defense supply chains.
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