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L8831304 — PISTON,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

L8831304: PISTON,VALVE.

The PISTON,VALVE is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY AND COPPER ALLOY AND NICKEL ALLOY, overall_length: 3.440 INCHES NOMINAL IN, outside_diameter: 1.614 INCHES NOMINAL IN, special_features: WEAPON SYSTEM ESSENTIAL, features_provided: THREADED, end_item_identification: HOIST ASSEMBLY PERISCOPE. This part is cataloged in the U.S.

Government catalog under NSN 4810-01-515-9510, 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
L8831304
NSN: 4810-01-515-9510
FSC: 4810 — Valves, Powered
CAGE: 25658 — SJE INC. DBA SAN JUAN ENGINEERING & MFG CO (USA)
SPECIFICATIONS
materialALUMINUM ALLOY AND COPPER ALLOY AND NICKEL ALLOY
overall_length3.440 INCHES NOMINAL IN
outside_diameter1.614 INCHES NOMINAL IN
special_featuresWEAPON SYSTEM ESSENTIAL
features_providedTHREADED
end_item_identificationHOIST ASSEMBLY PERISCOPE
valve_design_control_activity53711
criticality_code_justificationFEAT
NSN4810-01-515-9510
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: L8831304 · 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
•
OUTSIDE DIAMETER: 1.614 INCHES NOMINAL IN
•
CRITICALITY CODE JUSTIFICATION: FEAT
•
FEATURES PROVIDED: THREADED
•
VALVE DESIGN CONTROL ACTIVITY: 53711
•
MATERIAL: ALUMINUM ALLOY AND COPPER ALLOY AND NICKEL ALLOY
TECHNICAL CHARACTERISTICS
OUTSIDE DIAMETER1.614 INCHES NOMINAL IN
CRITICALITY CODE JUSTIFICATIONFEAT
OVERALL LENGTH3.440 INCHES NOMINAL IN
FEATURES PROVIDEDTHREADED
SPECIAL FEATURESWEAPON SYSTEM ESSENTIAL
VALVE DESIGN CONTROL ACTIVITY53711
END ITEM IDENTIFICATIONHOIST ASSEMBLY PERISCOPE
MATERIALALUMINUM ALLOY AND COPPER ALLOY AND NICKEL ALLOY
SUBSTITUTES & CROSS-REFERENCES 1
5489361Reference 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 L8831304?
L8831304 is a PISTON,VALVE.
What parts can replace L8831304?
There is 1 known substitute for L8831304: 5489361. Substitute compatibility should be verified for your specific system.
What is the NSN for L8831304?
L8831304 is cataloged in the U.S. Government catalog under NSN 4810-01-515-9510. 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.