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PartsTable / COMPONENT / 845-7284929-ITEM NO-11

845-7284929-ITEM NO-11 — Technical Data Sheet

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— · GATE VALVE
WHAT YOU NEED TO KNOW
Full open or full close only — never throttle Rising stem shows position visually
Throttling a gate valve erodes seats
PRODUCT OVERVIEW

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include criticality_code_justification: ZZZY. This part is cataloged in the Federal Logistics Information System under NSN 4820-01-058-1984, 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
845-7284929-ITEM NO-11
NSN: 4820-01-058-1984
FSC: 4820
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
criticality_code_justificationZZZY
NSN4820-01-058-1984
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 845-7284929-ITEM NO-11 · 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
•
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: ITEMS THAT SUPPORT A LEVEL I OR SUBSAFE CRITICAL SYSTEM/COMPONENT THAT HAS UNDERGONE QUALITY ASSURANCE DURING THE ACQUISITION PROCESS AND REQUIRES OBJECTIVE QUALITY EVIDENCE (OQE) TRACEABLE TO PERMANENT MARKING ON THE MATERIAL
•
CRITICALITY CODE JUSTIFICATION: ZZZY
TECHNICAL CHARACTERISTICS
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSITEMS THAT SUPPORT A LEVEL I OR SUBSAFE CRITICAL SYSTEM/COMPONENT THAT HAS UNDERGONE QUALITY ASSURANCE DURING THE ACQUISITION PROCESS AND REQUIRES OBJECTIVE QUALITY EVIDENCE (OQE) TRACEABLE TO PERMANENT MARKING ON THE MATERIAL
CRITICALITY CODE JUSTIFICATIONZZZY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
845-8616948-PIECE NO-12InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
2644-747-01-PIECE NO-12Q3InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
2640-801X1 PIECE 22InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
2643-820-88 ITEM 11InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
2640-801X01 PIECE 22InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
56-97-0727InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 845-7284929-ITEM NO-11?
845-7284929-ITEM NO-11 is a SEAT,VALVE.
What parts can replace 845-7284929-ITEM NO-11?
There are 14 known substitutes for 845-7284929-ITEM NO-11: 845-8616948-PIECE NO-12, 2644-747-01-PIECE NO-12Q3, 2640-801X1 PIECE 22 and 11 more. Substitute compatibility should be verified for your specific system.
Is 845-7284929-ITEM NO-11 still available?
845-7284929-ITEM NO-11 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: September 2026