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525-S811-XKL — VALVE,GLOBE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

525-S811-XKL: VALVE,GLOBE.

The VALVE,GLOBE is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY BODY, seat_angle: 14.0 DEGREES NOMINAL, valve_size: 0.500 INCHES IN, bonnet_type: OUTSIDE SCREW-YOKE, flange_shape: ROUND WITH HOLES ALL ENDS, thread_class: 2B. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-505-0771, 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
525-S811-XKL
NSN: 4820-01-505-0771
FSC: 4820 — Valves, Nonpowered
CAGE: 1GZ83 — SFC VALVE CORPORATION (USA)
SPECIFICATIONS
materialNICKEL ALLOY BODY
seat_angle14.0 DEGREES NOMINAL
valve_size0.500 INCHES IN
bonnet_typeOUTSIDE SCREW-YOKE
flange_shapeROUND WITH HOLES ALL ENDS
thread_class2B
nominal_width3.250 INCHES ALL ENDS IN
nominal_length3.250 INCHES ALL ENDS IN
overall_height0.810 INCHES NOMINAL IN
overall_length1.120 INCHES NOMINAL IN
connection_typeUNTHREADED INTERNAL PIPE ALL ENDS
inside_diameter1.078 INCHES NOMINAL IN
NSN4820-01-505-0771
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 525-S811-XKL · 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
SUBSTITUTES & CROSS-REFERENCES 3
803-2177525Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
525-SX11-XKLReference document
Same NSN cross-reference
Reference document — Drawing number reference only
525-SX11-XKL ASSY 525-S811-XKLReference document
Same NSN cross-reference
Reference document — Secondary reference
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 525-S811-XKL?
525-S811-XKL is a VALVE,GLOBE.
What parts can replace 525-S811-XKL?
There are 3 known substitutes for 525-S811-XKL: 803-2177525, 525-SX11-XKL, 525-SX11-XKL ASSY 525-S811-XKL. Substitute compatibility should be verified for your specific system.
What is the NSN for 525-S811-XKL?
525-S811-XKL is cataloged in the U.S. Government catalog under NSN 4820-01-505-0771. 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.