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255648 PIECE 4 — WEIGHT,COUNTERBALANCE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

255648 PIECE 4: WEIGHT,COUNTERBALANCE.

The WEIGHT,COUNTERBALANCE is a the manufacturer industrial component. Key specifications include special_features: MATERIAL NICKEL ALUMINUM BRONZE; 5.969 IN. OVERALL LENGTH; 1.622 IN.

OUTSIDE DIA; MEDIA SEA WATER IN. This part is cataloged in the U.S. Government catalog under NSN 4820-01-197-7758, 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
255648 PIECE 4
NSN: 4820-01-197-7758
FSC: 4820 — Valves, Nonpowered
CAGE: 43689 — HUNTINGTON INGALLS INC DIV NEWPORT NEWS SHIPBUILDING (USA)
SPECIFICATIONS
special_featuresMATERIAL NICKEL ALUMINUM BRONZE; 5.969 IN. OVERALL LENGTH; 1.622 IN. OUTSIDE DIA; MEDIA SEA WATER IN
NSN4820-01-197-7758
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 255648 PIECE 4 · 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
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESMATERIAL NICKEL ALUMINUM BRONZE; 5.969 IN. OVERALL LENGTH; 1.622 IN. OUTSIDE DIA; MEDIA SEA WATER IN
SUBSTITUTES & CROSS-REFERENCES 1
255648Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 255648 PIECE 4?
255648 PIECE 4 is a WEIGHT,COUNTERBALANCE.
What parts can replace 255648 PIECE 4?
There is 1 known substitute for 255648 PIECE 4: 255648. Substitute compatibility should be verified for your specific system.
What is the NSN for 255648 PIECE 4?
255648 PIECE 4 is cataloged in the U.S. Government catalog under NSN 4820-01-197-7758. 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.