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KC103-28 — DISK,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

KC103-28: DISK,VALVE.

The DISK,VALVE is a the manufacturer industrial component. Key specifications include angle: 37.0 DEGREES NOMINAL, material: PLASTIC POLYPROPYLENE OVERALL, temp_rating: -65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF, special_features: TO BE OXYGEN CLEANED I/A/W MIL STD 1330D, rim_surface_width: 0.032 INCHES NOMINAL IN, peripheral_diameter: 1.765 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-411-4207, 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
KC103-28
NSN: 4820-00-411-4207
NIINs: 004114207, 004984537
FSC: 4820 — Valves, Nonpowered
CAGE: 11243 — COSMODYNE, LLC DBA COSMODYNE LLC (USA)
SPECIFICATIONS
angle37.0 DEGREES NOMINAL
materialPLASTIC POLYPROPYLENE OVERALL
temp_rating-65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF
special_featuresTO BE OXYGEN CLEANED I/A/W MIL STD 1330D
rim_surface_width0.032 INCHES NOMINAL IN
peripheral_diameter1.765 INCHES NOMINAL IN
center_hole_diameter1.660 INCHES NOMINAL IN
cross-sectional_height0.089 INCHES NOMINAL IN
cross-sectional_shape_styleANGLE
material_document_and_classificationMIL-R-8791 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN4820-00-411-4207
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: KC103-28 · 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
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESTO BE OXYGEN CLEANED I/A/W MIL STD 1330D
SUBSTITUTES & CROSS-REFERENCES 2
KC103-49Reference document
Same NSN cross-reference
Reference document — Secondary reference
KC103-28CPReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is KC103-28?
KC103-28 is a DISK,VALVE.
What parts can replace KC103-28?
There are 2 known substitutes for KC103-28: KC103-49, KC103-28CP. Substitute compatibility should be verified for your specific system.
What is the NSN for KC103-28?
KC103-28 is cataloged in the U.S. Government catalog under NSN 4820-00-411-4207. This indicates validated use in U.S. government and defense supply chains.
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