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7550049 — DECK BOX OPERATOR,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

7550049: DECK BOX OPERATOR,VALVE.

The DECK BOX OPERATOR,VALVE is a the manufacturer industrial component. Key specifications include end_item_identification: OHIO CLASS SSBN (TRIDENT), mechanical_connection_type: RIGID SHAFT. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-526-4829, 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
7550049
NSN: 4820-01-526-4829
NIINs: 015264829, 015264831, 015264835, 015264843
FSC: 4820 — Valves, Nonpowered
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
end_item_identificationOHIO CLASS SSBN (TRIDENT)
mechanical_connection_typeRIGID SHAFT
NSN4820-01-526-4829
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 7550049 · 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
•
MECHANICAL CONNECTION TYPE: RIGID SHAFT
TECHNICAL CHARACTERISTICS
MECHANICAL CONNECTION TYPERIGID SHAFT
END ITEM IDENTIFICATIONOHIO CLASS SSBN (TRIDENT)
SUBSTITUTES & CROSS-REFERENCES 1
G766-1401-A1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)Demilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is 7550049?
7550049 is a DECK BOX OPERATOR,VALVE.
What parts can replace 7550049?
There is 1 known substitute for 7550049: G766-1401-A1. Substitute compatibility should be verified for your specific system.
What is the NSN for 7550049?
7550049 is cataloged in the U.S. Government catalog under NSN 4820-01-526-4829. 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.