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Technical Data Sheet
40405A2 R 21 ITEM 15 ✓ 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 STEM,FLUID VALVE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 316, features_provided: THREADED, end_item_identification: VALVE, GATE 1., valve_size_for_which_designed: 1.000 INCHES IN, valve_type_for_which_designed: GATE, material_document_and_classification: A182 F316 ASSN STD SINGLE MATERIAL RESPONSE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-510-9411, 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 15
NSN: 4820-01-510-9411
FSC: 4820
CAGE: 63220 — FLOWSERVE INC (USA)
SPECIFICATIONS
materialSTEEL COMP 316
features_providedTHREADED
end_item_identificationVALVE, GATE 1.
valve_size_for_which_designed1.000 INCHES IN
valve_type_for_which_designedGATE
material_document_and_classificationA182 F316 ASSN STD SINGLE MATERIAL RESPONSE
NSN4820-01-510-9411
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: 40405A2 R 21 ITEM 15 · 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
MATERIAL: STEEL COMP 316
VALVE TYPE FOR WHICH DESIGNED: GATE
MATERIAL DOCUMENT AND CLASSIFICATION: A182 F316 ASSN STD SINGLE MATERIAL RESPONSE
FEATURES PROVIDED: THREADED
VALVE SIZE FOR WHICH DESIGNED: 1.000 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL COMP 316
VALVE TYPE FOR WHICH DESIGNEDGATE
SPECIAL FEATURESTHIS STEM 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 NHA IS NSN 4820-01-510-9230: VALVE, GATE.
MATERIAL DOCUMENT AND CLASSIFICATIONA182 F316 ASSN STD SINGLE MATERIAL RESPONSE
FEATURES PROVIDEDTHREADED
VALVE SIZE FOR WHICH DESIGNED1.000 INCHES IN
END ITEM IDENTIFICATIONVALVE, GATE 1.
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
32797Interchangeable
interchangeable cross-reference
interchangeable
32625Interchangeable
interchangeable cross-reference
interchangeable
40405A2 R 21Interchangeable
interchangeable cross-reference
interchangeable
40405A2 R 21 ITEM 6Interchangeable
interchangeable cross-reference
interchangeable
SW12401-06Interchangeable
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 15?
40405A2 R 21 ITEM 15 is a STEM,FLUID VALVE.
What parts can replace 40405A2 R 21 ITEM 15?
There are 5 known substitutes for 40405A2 R 21 ITEM 15: 32797, 32625, 40405A2 R 21 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 40405A2 R 21 ITEM 15?
40405A2 R 21 ITEM 15 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-510-9411. This indicates validated use in U.S. government and defense supply chains.
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