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2743-3660891 — VALVE,PRESSURE RELIEF

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

2743-3660891: VALVE,PRESSURE RELIEF.

The VALVE,PRESSURE RELIEF is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 4820-01-126-4914, 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
2743-3660891
NSN: 4820-01-126-4914
FSC: 4820 — Valves, Nonpowered
CAGE: 57953 — MOSELEY ASSOCIATES, INC (USA)
SPECIFICATIONS
Part Number2743-3660891
NSN4820-01-126-4914
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 2743-3660891 · 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
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GENERAL CHARACTERISTICS ITEM DESCRIPTION: STEEL,PROBE INSERT THREADED 0.875-14 UNF 3A BY 0.625 INCH LONG.DESIGNEDFOR GASKET SEALING ABOVE THD AND FOR PACKING,PREFORMED TO SEAL AND SEPARATETWO CHAMBERS.SPRING LOADED WITH SCREW ADJUSTMENT EXTERNALLY.HEX DRIVE FOR INSTALLATION WITH TWO SAFETY WIRE HOLES DRILLED ON HEX.USED ON ROCKWELL INT-ERNATIONAL JET COMMANDER MODEL 1121C AIRPLANE A
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONSTEEL,PROBE INSERT THREADED 0.875-14 UNF 3A BY 0.625 INCH LONG.DESIGNEDFOR GASKET SEALING ABOVE THD AND FOR PACKING,PREFORMED TO SEAL AND SEPARATETWO CHAMBERS.SPRING LOADED WITH SCREW ADJUSTMENT EXTERNALLY.HEX DRIVE FOR INSTALLATION WITH TWO SAFETY WIRE HOLES DRILLED ON HEX.USED ON ROCKWELL INT-ERNATIONAL JET COMMANDER MODEL 1121C AIRPLANE A
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 2743-3660891?
2743-3660891 is a VALVE,PRESSURE RELIEF.
What is the NSN for 2743-3660891?
2743-3660891 is cataloged in the U.S. Government catalog under NSN 4820-01-126-4914. 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.