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A841-3A-01 — BALL,VALVE,PORTED

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

A841-3A-01: BALL,VALVE,PORTED.

The BALL,VALVE,PORTED is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY, port_diameter: 2.000 INCHES NOMINAL IN, special_features: MAX OPER PRESSURE 700PSI, port_configuration: BOTTOM, end_item_identification: STRATEGIC SEALIFT CONVERSION SHIPS CLASS. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-426-4908, 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
A841-3A-01
NSN: 4820-01-426-4908
FSC: 4820 — Valves, Nonpowered
CAGE: 0AZ22 — B N L INDUSTRIES INC (USA)
SPECIFICATIONS
materialNICKEL ALLOY
port_diameter2.000 INCHES NOMINAL IN
port_quantity2
special_featuresMAX OPER PRESSURE 700PSI
port_configurationBOTTOM
end_item_identificationSTRATEGIC SEALIFT CONVERSION SHIPS CLASS
stem_accommodation_quantity1
NSN4820-01-426-4908
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: A841-3A-01 · 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
•
PORT DIAMETER: 2.000 INCHES NOMINAL IN
•
PORT CONFIGURATION: BOTTOM
•
STEM ACCOMMODATION QUANTITY: 1
•
PORT QUANTITY: 2
•
MATERIAL: NICKEL ALLOY
TECHNICAL CHARACTERISTICS
PORT DIAMETER2.000 INCHES NOMINAL IN
PORT CONFIGURATIONBOTTOM
STEM ACCOMMODATION QUANTITY1
PORT QUANTITY2
SPECIAL FEATURESMAX OPER PRESSURE 700PSI
END ITEM IDENTIFICATIONSTRATEGIC SEALIFT CONVERSION SHIPS CLASS
MATERIALNICKEL ALLOY
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 3
803-5001003-A841-3MOD-MONEL BALLSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
5001003Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
803-5001003-A84Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 A841-3A-01?
A841-3A-01 is a BALL,VALVE,PORTED.
What parts can replace A841-3A-01?
There are 3 known substitutes for A841-3A-01: 803-5001003-A841-3MOD-MONEL BALL, 5001003, 803-5001003-A84. Substitute compatibility should be verified for your specific system.
What is the NSN for A841-3A-01?
A841-3A-01 is cataloged in the U.S. Government catalog under NSN 4820-01-426-4908. 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.