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343B4A — VALVE,PLUG

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

343B4A: VALVE,PLUG.

The VALVE,PLUG is a the manufacturer industrial component. Key specifications include end_item_identification: TEST STAND MK-3A-1 A. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-242-7522, 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
343B4A
NSN: 4820-01-242-7522
NIINs: 012427522, 013099935
FSC: 4820 — Valves, Nonpowered
CAGE: 19267 — GOULD INC DISTRIBUTIONS AND CONTROLS DIV
SPECIFICATIONS
end_item_identificationTEST STAND MK-3A-1 A
NSN4820-01-242-7522
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 343B4A · 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
•
CONNECTION STYLE: PLAIN,OPTIONAL END(PIPE) ALL ENDS
•
CONNECTION TYPE: THREADED INTERNAL PIPE ALL ENDS
•
STYLE DESIGNATOR: CROSS
•
OPERATING PRESSURE: 500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
THREAD DIRECTION: RIGHT-HAND ALL ENDS
•
NOMINAL THREAD SIZE: 0.250 INCHES ALL ENDS IN
•
MATERIAL: COPPER ALLOY BODY
TECHNICAL CHARACTERISTICS
CONNECTION STYLEPLAIN,OPTIONAL END(PIPE) ALL ENDS
CONNECTION TYPETHREADED INTERNAL PIPE ALL ENDS
STYLE DESIGNATORCROSS
OPERATING PRESSURE500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
THREAD DIRECTIONRIGHT-HAND ALL ENDS
NOMINAL THREAD SIZE0.250 INCHES ALL ENDS IN
MATERIALCOPPER ALLOY BODY
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE SEAT
THREAD SERIES DESIGNATORNPTF ALL ENDS
VALVE OPERATION METHODMANUAL
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 343B4A?
343B4A is a VALVE,PLUG.
What is the NSN for 343B4A?
343B4A is cataloged in the U.S. Government catalog under NSN 4820-01-242-7522. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.