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810-4384539 PIECE 18 — ADAPTER,MALE,STEM,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

810-4384539 PIECE 18: ADAPTER,MALE,STEM,VALVE.

The ADAPTER,MALE,STEM,VALVE is a the manufacturer industrial component. Key specifications include end_item_identification: NAVAL SEA SYSTEMS COMMAND,12 IN. SEA WATER HULL AND BACK-UP VALVE,DWG NO.

810-4384539 IN, general_characteristics_item_description: BRONZE,QQ-C-390,ALLOY E7,TYPE 1. This part is cataloged in the U.S. Government catalog under NSN 4810-01-074-7977, 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
810-4384539 PIECE 18
NSN: 4810-01-074-7977
FSC: 4810 — Valves, Powered
CAGE: 96169 — ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT (USA)
SPECIFICATIONS
end_item_identificationNAVAL SEA SYSTEMS COMMAND,12 IN. SEA WATER HULL AND BACK-UP VALVE,DWG NO. 810-4384539 IN
general_characteristics_item_descriptionBRONZE,QQ-C-390,ALLOY E7,TYPE 1
NSN4810-01-074-7977
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 810-4384539 PIECE 18 · 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
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: BRONZE,QQ-C-390,ALLOY E7,TYPE 1
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONBRONZE,QQ-C-390,ALLOY E7,TYPE 1
END ITEM IDENTIFICATIONNAVAL SEA SYSTEMS COMMAND,12 IN. SEA WATER HULL AND BACK-UP VALVE,DWG NO. 810-4384539 IN
OTHER ITEMS IN FSC 4810 — Valves, Powered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4810-00-001-1247 4810-00-001-4499 4810-00-001-4531 4810-00-001-4532 4810-00-001-4554 4810-00-001-4555 4810-00-001-4556 4810-00-001-4611
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 810-4384539 PIECE 18?
810-4384539 PIECE 18 is a ADAPTER,MALE,STEM,VALVE.
What is the NSN for 810-4384539 PIECE 18?
810-4384539 PIECE 18 is cataloged in the U.S. Government catalog under NSN 4810-01-074-7977. 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.