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803-5001003-A312 — VALVE,BALL

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

803-5001003-A312: VALVE,BALL.

The VALVE,BALL is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYTETRAFLUOROETHYLENE SEAT, valve_size: 0.500 INCHES IN, style_designator: CROSS FLANGED ENDS, face_to_face_distance: 9.750 INCHES IN, valve_operation_method: MANUAL. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-409-0084, 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
803-5001003-A312
NSN: 4820-01-409-0084
FSC: 4820 — Valves, Nonpowered
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialPLASTIC POLYTETRAFLUOROETHYLENE SEAT
valve_size0.500 INCHES IN
style_designatorCROSS FLANGED ENDS
face_to_face_distance9.750 INCHES IN
valve_operation_methodMANUAL
NSN4820-01-409-0084
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 803-5001003-A312 · 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
•
STYLE DESIGNATOR: CROSS FLANGED ENDS
•
VALVE SIZE: 0.500 INCHES IN
•
FACE TO FACE DISTANCE: 9.750 INCHES IN
•
MATERIAL: COPPER ALLOY BODY
•
VALVE OPERATION METHOD: MANUAL
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORCROSS FLANGED ENDS
VALVE SIZE0.500 INCHES IN
FACE TO FACE DISTANCE9.750 INCHES IN
MATERIALCOPPER ALLOY BODY
MATERIALNICKEL ALLOY STEM
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE SEAT
MATERIALTITANIUM FLOW CONTROL DEVICE
VALVE OPERATION METHODMANUAL
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
5001003Reference 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 803-5001003-A312?
803-5001003-A312 is a VALVE,BALL.
What parts can replace 803-5001003-A312?
There is 1 known substitute for 803-5001003-A312: 5001003. Substitute compatibility should be verified for your specific system.
What is the NSN for 803-5001003-A312?
803-5001003-A312 is cataloged in the U.S. Government catalog under NSN 4820-01-409-0084. 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.