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803-5959298-AL1 — VALVE,BALL

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

803-5959298-AL1: VALVE,BALL.

The VALVE,BALL is a the manufacturer industrial component. Key specifications include connection_type: BUTT WELD TUBE ALL ENDS, connection_style: BEVELED (TUBE) ALL ENDS, criticality_code_justification: ZZZY, nominal_outside_diameter_tube_accommodated: 5.000 INCHES ALL ENDS IN, reference_number_differentiating_characteristics: QUALITY ASSURANCE TESTED FOR SUB-SAFE ITEMS. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-351-9902, 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
803-5959298-AL1
NSN: 4820-01-351-9902
FSC: 4820 — Valves, Nonpowered
CAGE: 03950 — NAVAL INVENTORY CONTROL POINT MECHANICSBURG (USA)
SPECIFICATIONS
connection_typeBUTT WELD TUBE ALL ENDS
connection_styleBEVELED (TUBE) ALL ENDS
criticality_code_justificationZZZY
nominal_outside_diameter_tube_accommodated5.000 INCHES ALL ENDS IN
reference_number_differentiating_characteristicsQUALITY ASSURANCE TESTED FOR SUB-SAFE ITEMS
NSN4820-01-351-9902
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 803-5959298-AL1 · 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
•
CONNECTION STYLE: BEVELED (TUBE) ALL ENDS
•
CRITICALITY CODE JUSTIFICATION: ZZZY
•
CONNECTION TYPE: BUTT WELD TUBE ALL ENDS
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 5.000 INCHES ALL ENDS IN
•
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: QUALITY ASSURANCE TESTED FOR SUB-SAFE ITEMS
TECHNICAL CHARACTERISTICS
CONNECTION STYLEBEVELED (TUBE) ALL ENDS
CRITICALITY CODE JUSTIFICATIONZZZY
CONNECTION TYPEBUTT WELD TUBE ALL ENDS
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED5.000 INCHES ALL ENDS IN
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSQUALITY ASSURANCE TESTED FOR SUB-SAFE ITEMS
OTHER ITEMS IN FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097 4820-00-001-0010 4820-00-001-0020 4820-00-001-0021 4820-00-001-0032 4820-00-001-0037 4820-00-001-0042 4820-00-001-1230
SUBSTITUTES & CROSS-REFERENCES 1
803-5959298-AReference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Demilitarization required — mutilation
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FREQUENTLY ASKED QUESTIONS
What is 803-5959298-AL1?
803-5959298-AL1 is a VALVE,BALL.
What parts can replace 803-5959298-AL1?
There is 1 known substitute for 803-5959298-AL1: 803-5959298-A. Substitute compatibility should be verified for your specific system.
What is the NSN for 803-5959298-AL1?
803-5959298-AL1 is cataloged in the U.S. Government catalog under NSN 4820-01-351-9902. 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.