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P534989 — DIAPHRAGM,VALVE,FLAT

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

P534989: DIAPHRAGM,VALVE,FLAT.

The DIAPHRAGM,VALVE,FLAT is a the manufacturer industrial component. Key specifications include material: RUBBER, special_features: DIAPHRAGM, VALVE, FLAT; COLOR: BLACK; MATERIAL: HYTREL, DUPONT HIGH TEMPERATURE, style_designator: FLAT, end_item_identification: 5420-01-430-5403 CARRIER, BRIDGE, LAUNCHING; WSD: M-1 ABRAMS TANK. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-508-6656, 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
P534989
NSN: 4820-01-508-6656
FSC: 4820 — Valves, Nonpowered
CAGE: 18265 — DONALDSON COMPANY, INC. (USA)
SPECIFICATIONS
materialRUBBER
special_featuresDIAPHRAGM, VALVE, FLAT; COLOR: BLACK; MATERIAL: HYTREL, DUPONT HIGH TEMPERATURE
style_designatorFLAT
end_item_identification5420-01-430-5403 CARRIER, BRIDGE, LAUNCHING; WSD: M-1 ABRAMS TANK
NSN4820-01-508-6656
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: P534989 · 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: FLAT
•
MATERIAL: RUBBER
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORFLAT
SPECIAL FEATURESDIAPHRAGM, VALVE, FLAT; COLOR: BLACK; MATERIAL: HYTREL, DUPONT HIGH TEMPERATURE
END ITEM IDENTIFICATION5420-01-430-5403 CARRIER, BRIDGE, LAUNCHING; WSD: M-1 ABRAMS TANK
MATERIALRUBBER
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
4820015086656Reference document
Same NSN cross-reference
Reference document — Informative 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 P534989?
P534989 is a DIAPHRAGM,VALVE,FLAT.
What parts can replace P534989?
There is 1 known substitute for P534989: 4820015086656. Substitute compatibility should be verified for your specific system.
What is the NSN for P534989?
P534989 is cataloged in the U.S. Government catalog under NSN 4820-01-508-6656. 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.