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803-5001003-S811 — ADAPTER,STRAIGHT,FLANGE TO TUBE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

803-5001003-S811: ADAPTER,STRAIGHT,FLANGE TO TUBE.

ADAPTER,STRAIGHT,FLANGE TO TUBE. Key specifications include criticality_code_justification: ZZZY, reference_number_differentiating_characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVSUP-WSS ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-341-5856, 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-S811
NSN: 4820-00-341-5856
NIINs: 003415856, 012183307, 014515590, 015790650, 016291877
FSC: 4820 — Valves, Nonpowered
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
criticality_code_justificationZZZY
reference_number_differentiating_characteristicsMATERIAL WILL BE IN ACCORDANCE WITH NAVSUP-WSS ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS
NSN4820-00-341-5856
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 803-5001003-S811 · 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
•
NOMINAL PIPE SIZE ACCOMMODATED: 2.000 INCHES FIRST END IN
•
CONNECTION STYLE: SOCKET FIRST END
•
CRITICALITY CODE JUSTIFICATION: ZZZY
•
CONNECTION TYPE: UNTHREADED INTERNAL PIPE FIRST END
•
STYLE DESIGNATOR: STRAIGHT THRU
•
BONNET TYPE: PACKING RETAINING
•
MATERIAL: COPPER ALLOY 715 BODY
TECHNICAL CHARACTERISTICS
NOMINAL PIPE SIZE ACCOMMODATED2.000 INCHES FIRST END IN
CONNECTION STYLESOCKET FIRST END
CRITICALITY CODE JUSTIFICATIONZZZY
CONNECTION TYPEUNTHREADED INTERNAL PIPE FIRST END
STYLE DESIGNATORSTRAIGHT THRU
BONNET TYPEPACKING RETAINING
MATERIALCOPPER ALLOY 715 BODY
MATERIALNICKEL ALLOY R-405 STEM
VALVE OPERATION METHODMANUAL
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSQUALITY CONTROL IN ACCORDANCE WITH NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS
SUBSTITUTES & CROSS-REFERENCES 5
2620-926X3ASSYD2INReference document
Same NSN cross-reference
Reference document — Secondary reference
298-00-140ASSYBL1Reference document
Same NSN cross-reference
Reference document — Secondary reference
298-00-140ASSYBReference document
Same NSN cross-reference
Reference document — Secondary reference
803-5001003-S811L1Reference document
Same NSN cross-reference
Reference document — Secondary reference
2620-926X3ASSYD2INL1Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Demilitarization required — mutilation
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FREQUENTLY ASKED QUESTIONS
What is 803-5001003-S811?
803-5001003-S811 is a ADAPTER,STRAIGHT,FLANGE TO TUBE.
What parts can replace 803-5001003-S811?
There are 5 known substitutes for 803-5001003-S811: 2620-926X3ASSYD2IN, 298-00-140ASSYBL1, 298-00-140ASSYB and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 803-5001003-S811?
803-5001003-S811 is cataloged in the U.S. Government catalog under NSN 4820-00-341-5856. This indicates validated use in U.S. government and defense supply chains.
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