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A12523-011-253 — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

A12523-011-253: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: RUBBER BUNA N OVERALL, overall_height: 0.070 INCHES NOMINAL IN, body_outside_diameter: 0.441 INCHES NOMINAL IN, end_item_identification: KUNKLE VALVE TYPE 926. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-398-4871, 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
A12523-011-253
NSN: 4820-00-398-4871
FSC: 4820 — Valves, Nonpowered
CAGE: 15187 — EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP DIV NAVY PRODUCT TEAM (USA)
SPECIFICATIONS
materialRUBBER BUNA N OVERALL
overall_height0.070 INCHES NOMINAL IN
body_outside_diameter0.441 INCHES NOMINAL IN
end_item_identificationKUNKLE VALVE TYPE 926
NSN4820-00-398-4871
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: A12523-011-253 · 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
•
BODY OUTSIDE DIAMETER: 0.441 INCHES NOMINAL IN
•
MATERIAL: RUBBER BUNA N OVERALL
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.070 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER0.441 INCHES NOMINAL IN
END ITEM IDENTIFICATIONKUNKLE VALVE TYPE 926
MATERIALRUBBER BUNA N OVERALL
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
20251PC19Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 A12523-011-253?
A12523-011-253 is a SEAT,VALVE.
What parts can replace A12523-011-253?
There is 1 known substitute for A12523-011-253: 20251PC19. Substitute compatibility should be verified for your specific system.
What is the NSN for A12523-011-253?
A12523-011-253 is cataloged in the U.S. Government catalog under NSN 4820-00-398-4871. 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.