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PartsTable / COMPONENT / 21509N GRP3 PC12
21509N GRP3 PC12 ✓ 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

ROD,PISTON,LINEAR ACTUATING CYLI. Key specifications include overall_width: 0.500 INCHES MINIMUM AND 0.565 INCHES MAXIMUM IN, overall_length: 0.600 INCHES MINIMUM AND 0.650 INCHES MAXIMUM IN, terminal_length: 1.000 INCHES NOMINAL IN, style_designator: OVAL BODY, PIN TERMINALS, circuit_resonance: ANTIRESONANCE, overall_thickness: 0.238 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-466-7132, 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
21509N GRP3 PC12
NSN: 4820-01-466-7132
FSC: 4820
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
overall_width0.500 INCHES MINIMUM AND 0.565 INCHES MAXIMUM IN
overall_length0.600 INCHES MINIMUM AND 0.650 INCHES MAXIMUM IN
terminal_length1.000 INCHES NOMINAL IN
style_designatorOVAL BODY, PIN TERMINALS
circuit_resonanceANTIRESONANCE
overall_thickness0.238 INCHES MAXIMUM IN
terminal_diameter0.015 INCHES MINIMUM AND 0.032 INCHES MAXIMUM IN
mode_of_oscillationFUNDAMENTAL
specified_frequency2.458 MEGAHERTZ
operating_temp_range+0.0 TO 70.0 CELSIUS DEGC
end_item_identificationSTRATEGIC SEALIFT CONVERSION SHIPS CLASS
load_capacitance_in_picofarads32.0 NOMINAL AND 31.5 MINIMUM AND 32.5 MAXIMUM
NSN4820-01-466-7132
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 21509N GRP3 PC12 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
053-01530-0001Interchangeable
interchangeable cross-reference
interchangeable
34702Interchangeable
interchangeable cross-reference
interchangeable
0031593Interchangeable
interchangeable cross-reference
interchangeable
21509NInterchangeable
interchangeable cross-reference
interchangeable
30254Interchangeable
interchangeable cross-reference
interchangeable
21509N GROUP 3 PIECE 11Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 21509N GRP3 PC12?
21509N GRP3 PC12 is a ROD,PISTON,LINEAR ACTUATING CYLI.
What parts can replace 21509N GRP3 PC12?
There are 22 known substitutes for 21509N GRP3 PC12: 053-01530-0001, 34702, 0031593 and 19 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 21509N GRP3 PC12?
21509N GRP3 PC12 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-466-7132. 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