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225-25-1 — DISK,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

225-25-1: DISK,VALVE.

The DISK,VALVE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY BODY, lens_type: FLAT, RECTANGULAR SINGLE LIGHT FIRST POSITION HORIZONTAL, lens_color: RED SINGLE LIGHT FIRST POSITION HORIZONTAL, overall_width: 0.900 INCHES NOMINAL IN, overall_height: 1.125 INCHES NOMINAL IN, overall_length: 2.875 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-423-3479, 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
225-25-1
NSN: 4820-00-423-3479
NIINs: 004233479, 007299394
FSC: 4820 — Valves, Nonpowered
CAGE: 5S985 — FLUID-AIR PRODUCTS INC. DBA FLUID-AIR PRODUCTS INC DIV GOVERNMENT (USA)
SPECIFICATIONS
materialCOPPER ALLOY BODY
lens_typeFLAT, RECTANGULAR SINGLE LIGHT FIRST POSITION HORIZONTAL
lens_colorRED SINGLE LIGHT FIRST POSITION HORIZONTAL
lens_quantity1
overall_width0.900 INCHES NOMINAL IN
overall_height1.125 INCHES NOMINAL IN
overall_length2.875 INCHES MAXIMUM IN
mounting_methodSCREW
special_featuresW/O BRACKET
style_designatorINSTRUMENT POST TYPE
surface_treatmentPAINT ILLUMINATION DIRECTING DEVICE
transmitted_light_colorRED, IDENTIFICATION SINGLE LIGHT FIRST POSITION HORIZONTAL FULL DISPLAY DIVISION A
NSN4820-00-423-3479
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 225-25-1 · 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
•
OUTSIDE DIAMETER: 1.564 INCHES NOMINAL IN
•
STYLE DESIGNATOR: PLAIN
•
INSIDE DIAMETER: 0.688 INCHES NOMINAL IN
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.025 INCHES NOMINAL IN
OUTSIDE DIAMETER1.564 INCHES NOMINAL IN
STYLE DESIGNATORPLAIN
INSIDE DIAMETER0.688 INCHES NOMINAL IN
MATERIALSTEEL
SUBSTITUTES & CROSS-REFERENCES 2
225-25-1-K5Reference document
Same NSN cross-reference
Reference document — Secondary reference
225-25-1KSReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 225-25-1?
225-25-1 is a DISK,VALVE.
What parts can replace 225-25-1?
There are 2 known substitutes for 225-25-1: 225-25-1-K5, 225-25-1KS. Substitute compatibility should be verified for your specific system.
What is the NSN for 225-25-1?
225-25-1 is cataloged in the U.S. Government catalog under NSN 4820-00-423-3479. 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.