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PartsTable / COMPONENT / 40405A2 R 21 ITEM 6
40405A2 R 21 ITEM 6 ✓ 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

ROTOR,COMPRESSOR,AIRCRAFT GAS TU. Key specifications include material: STEEL, pressure_rating: 800.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS, end_item_identification: VALVE, GATE 1.. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-510-9171, 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
40405A2 R 21 ITEM 6
NSN: 4820-01-510-9171
FSC: 4820
CAGE: 63220 — FLOWSERVE INC (USA)
SPECIFICATIONS
materialSTEEL
pressure_rating800.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
end_item_identificationVALVE, GATE 1.
NSN4820-01-510-9171
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 40405A2 R 21 ITEM 6 · 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
•
PRESSURE RATING: 800.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESTHIS GATE IS PART OF A 1 GATE VALVE, SOCKET WELD ENDS FORGED STEEL, OS&Y, BOLTED BONNET, 5 DEGREE RENEWABLE SEATS, BOLTED GLAND LOOSE SLOTTED GATE CLASS 800. SERIES NUMBER SW12401-06. THE MATERIAL CLASSIFICATION FOR THE GATE IS A182 F316. THE NHA FOR THE GATE IS NSN 4820-01-510-9230: VALVE, GATE.
PRESSURE RATING800.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
END ITEM IDENTIFICATIONVALVE, GATE 1.
MATERIALSTEEL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
200SL64Interchangeable
interchangeable cross-reference
interchangeable
4435Interchangeable
interchangeable cross-reference
interchangeable
32625Interchangeable
interchangeable cross-reference
interchangeable
45559Interchangeable
interchangeable cross-reference
interchangeable
SW12401-06Interchangeable
interchangeable cross-reference
interchangeable
40405A2 R 21Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 40405A2 R 21 ITEM 6?
40405A2 R 21 ITEM 6 is a ROTOR,COMPRESSOR,AIRCRAFT GAS TU.
What parts can replace 40405A2 R 21 ITEM 6?
There are 8 known substitutes for 40405A2 R 21 ITEM 6: 200SL64, 4435, 32625 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 40405A2 R 21 ITEM 6?
40405A2 R 21 ITEM 6 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-510-9171. 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