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PartsTable / COMPONENT / D-522-0B1 PIECE 13L1
D-522-0B1 PIECE 13L1 ✓ Verified by PartsTable
— · 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 RELAY,ELECTROMAGNETIC is a the manufacturer industrial component. Key specifications include criticality_code_justification: ZZZY, reference_number_differentiating_characteristics: QUALITY CONTROL IAW NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-208-5587, 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
D-522-0B1 PIECE 13L1
NSN: 4820-01-208-5587
FSC: 4820
CAGE: 03950 — NAVAL INVENTORY CONTROL POINT MECHANICSBURG (USA)
SPECIFICATIONS
criticality_code_justificationZZZY
reference_number_differentiating_characteristicsQUALITY CONTROL IAW NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS
NSN4820-01-208-5587
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: D-522-0B1 PIECE 13L1 · 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: QUALITY CONTROL IAW NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS
TECHNICAL CHARACTERISTICS (FLIS)
CRITICALITY CODE JUSTIFICATIONZZZY
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSQUALITY CONTROL IAW NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
500015Interchangeable
interchangeable cross-reference
interchangeable
00044Interchangeable
interchangeable cross-reference
interchangeable
480032Interchangeable
interchangeable cross-reference
interchangeable
61416000Interchangeable
interchangeable cross-reference
interchangeable
SN74128N00Interchangeable
interchangeable cross-reference
interchangeable
852722-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is D-522-0B1 PIECE 13L1?
D-522-0B1 PIECE 13L1 is a RELAY,ELECTROMAGNETIC.
What parts can replace D-522-0B1 PIECE 13L1?
There are 18 known substitutes for D-522-0B1 PIECE 13L1: 500015, 00044, 480032 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for D-522-0B1 PIECE 13L1?
D-522-0B1 PIECE 13L1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-208-5587. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026