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25AUB-Z3-1.5 — VALVE,REGULATING,FLUID PRESSURE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

25AUB-Z3-1.5: VALVE,REGULATING,FLUID PRESSURE.

VALVE,REGULATING,FLUID PRESSURE. Key specifications include material: STEEL CORROSION RESISTING SEAT, regulation_type: 1ST STAGE MANUAL, 2ND STAGE AUTOMATIC, special_features: E/I;PORTABLE BATH UNIT NSN 4510-01-163-6775, valve_loading_method: SPRING, end_item_identification: ALL SOURCE ANALYSIS SYSTEM, media_for_which_designed: WATER. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-485-9203, 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
25AUB-Z3-1.5
NSN: 4820-01-485-9203
FSC: 4820 — Valves, Nonpowered
CAGE: 79227 — WATTS REGULATOR COMPANY (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING SEAT
regulation_type1ST STAGE MANUAL, 2ND STAGE AUTOMATIC
special_featuresE/I;PORTABLE BATH UNIT NSN 4510-01-163-6775
valve_loading_methodSPRING
end_item_identificationALL SOURCE ANALYSIS SYSTEM
media_for_which_designedWATER
NSN4820-01-485-9203
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 25AUB-Z3-1.5 · 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
•
REGULATION TYPE: 1ST STAGE MANUAL, 2ND STAGE AUTOMATIC
•
VALVE LOADING METHOD: SPRING
•
MATERIAL: STEEL CORROSION RESISTING SEAT
•
MEDIA FOR WHICH DESIGNED: WATER
TECHNICAL CHARACTERISTICS
REGULATION TYPE1ST STAGE MANUAL, 2ND STAGE AUTOMATIC
VALVE LOADING METHODSPRING
SPECIAL FEATURESE/I;PORTABLE BATH UNIT NSN 4510-01-163-6775
END ITEM IDENTIFICATIONALL SOURCE ANALYSIS SYSTEM
MATERIALSTEEL CORROSION RESISTING SEAT
MEDIA FOR WHICH DESIGNEDWATER
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
93107902Same 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 25AUB-Z3-1.5?
25AUB-Z3-1.5 is a VALVE,REGULATING,FLUID PRESSURE.
What parts can replace 25AUB-Z3-1.5?
There is 1 known substitute for 25AUB-Z3-1.5: 93107902. Substitute compatibility should be verified for your specific system.
What is the NSN for 25AUB-Z3-1.5?
25AUB-Z3-1.5 is cataloged in the U.S. Government catalog under NSN 4820-01-485-9203. 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.