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255770 PIECE 6 — STEM,FLUID VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

255770 PIECE 6: STEM,FLUID VALVE.

The STEM,FLUID VALVE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY, overall_length: 5.562 INCHES NOMINAL IN, features_provided: SPLINED, stem_actuating_end_type: SLOTTED, largest_outside_diameter: 2.872 INCHES NOMINAL IN, valve_type_for_which_designed: BALL. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-237-2849, 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
255770 PIECE 6
NSN: 4820-01-237-2849
FSC: 4820 — Valves, Nonpowered
CAGE: 43689 — HUNTINGTON INGALLS INC DIV NEWPORT NEWS SHIPBUILDING (USA)
SPECIFICATIONS
materialCOPPER ALLOY
overall_length5.562 INCHES NOMINAL IN
features_providedSPLINED
stem_actuating_end_typeSLOTTED
largest_outside_diameter2.872 INCHES NOMINAL IN
valve_type_for_which_designedBALL
NSN4820-01-237-2849
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 255770 PIECE 6 · 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
•
VALVE TYPE FOR WHICH DESIGNED: BALL
•
LARGEST OUTSIDE DIAMETER: 2.872 INCHES NOMINAL IN
•
STEM ACTUATING END TYPE: SLOTTED
•
FEATURES PROVIDED: SPLINED
•
MATERIAL: COPPER ALLOY
TECHNICAL CHARACTERISTICS
VALVE TYPE FOR WHICH DESIGNEDBALL
LARGEST OUTSIDE DIAMETER2.872 INCHES NOMINAL IN
STEM ACTUATING END TYPESLOTTED
OVERALL LENGTH5.562 INCHES NOMINAL IN
FEATURES PROVIDEDSPLINED
MATERIALCOPPER ALLOY
SUBSTITUTES & CROSS-REFERENCES 1
255770Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 255770 PIECE 6?
255770 PIECE 6 is a STEM,FLUID VALVE.
What parts can replace 255770 PIECE 6?
There is 1 known substitute for 255770 PIECE 6: 255770. Substitute compatibility should be verified for your specific system.
What is the NSN for 255770 PIECE 6?
255770 PIECE 6 is cataloged in the U.S. Government catalog under NSN 4820-01-237-2849. 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.