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PartsTable / COMPONENT / 18500N PIECE 3B GROUP 3
18500N PIECE 3B GROUP 3 ✓ 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 TAPE,SOUND RECORDING is a the manufacturer tape media or drive component used in enterprise backup, archival, and disaster recovery environments. Key specifications include material: STEEL CORROSION RESISTING, overall_length: 14.109 INCHES NOMINAL IN, special_features: 500 DEG F MAX TEMP RATING DEGF, largest_outside_diameter: 2.000 INCHES NOMINAL IN, valve_model_number_for_which_designed: 18500N. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-196-1353, 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
18500N PIECE 3B GROUP 3
NSN: 4820-01-196-1353
FSC: 4820
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
overall_length14.109 INCHES NOMINAL IN
special_features500 DEG F MAX TEMP RATING DEGF
largest_outside_diameter2.000 INCHES NOMINAL IN
valve_model_number_for_which_designed18500N
NSN4820-01-196-1353
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 18500N PIECE 3B GROUP 3 · 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
•
LARGEST OUTSIDE DIAMETER: 2.000 INCHES NOMINAL IN
•
MATERIAL: STEEL CORROSION RESISTING
•
VALVE MODEL NUMBER FOR WHICH DESIGNED: 18500N
TYPICAL APPLICATIONS
  • Long-term data archival and compliance retention
  • Offsite backup and disaster recovery
  • Air-gapped ransomware protection
  • Cold storage tier for infrequently accessed data
TECHNICAL CHARACTERISTICS (FLIS)
LARGEST OUTSIDE DIAMETER2.000 INCHES NOMINAL IN
SPECIAL FEATURES500 DEG F MAX TEMP RATING DEGF
OVERALL LENGTH14.109 INCHES NOMINAL IN
MATERIALSTEEL CORROSION RESISTING
VALVE MODEL NUMBER FOR WHICH DESIGNED18500N
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
12500-4Interchangeable
interchangeable cross-reference
interchangeable
U1310CC15Interchangeable
interchangeable cross-reference
interchangeable
44-040Interchangeable
interchangeable cross-reference
interchangeable
N533910059Interchangeable
interchangeable cross-reference
interchangeable
18500N PIECE 3FInterchangeable
interchangeable cross-reference
interchangeable
18500NInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 18500N PIECE 3B GROUP 3?
18500N PIECE 3B GROUP 3 is a TAPE,SOUND RECORDING.
What parts can replace 18500N PIECE 3B GROUP 3?
There are 16 known substitutes for 18500N PIECE 3B GROUP 3: 12500-4, U1310CC15, 44-040 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 18500N PIECE 3B GROUP 3?
18500N PIECE 3B GROUP 3 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-196-1353. 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