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968278R1 — DIAPHRAGM,VALVE,FLAT

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

968278R1: DIAPHRAGM,VALVE,FLAT.

The DIAPHRAGM,VALVE,FLAT is a the manufacturer industrial component. Key specifications include material: RUBBER, outside_diameter: 0.938 INCHES NOMINAL IN, style_designator: FLAT, material_thickness: 0.020 INCHES NOMINAL IN, center_hole_diameter: 0.250 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-371-4084, 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
968278R1
NSN: 4820-00-371-4084
FSC: 4820 — Valves, Nonpowered
CAGE: 0SAT8 — KOMATSU AMERICA CORP. (USA)
SPECIFICATIONS
materialRUBBER
outside_diameter0.938 INCHES NOMINAL IN
style_designatorFLAT
material_thickness0.020 INCHES NOMINAL IN
center_hole_diameter0.250 INCHES NOMINAL IN
NSN4820-00-371-4084
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 968278R1 · 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: 0.938 INCHES NOMINAL IN
•
STYLE DESIGNATOR: FLAT
•
MATERIAL THICKNESS: 0.020 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 0.250 INCHES NOMINAL IN
•
MATERIAL: RUBBER
TECHNICAL CHARACTERISTICS
OUTSIDE DIAMETER0.938 INCHES NOMINAL IN
STYLE DESIGNATORFLAT
MATERIAL THICKNESS0.020 INCHES NOMINAL IN
CENTER HOLE DIAMETER0.250 INCHES NOMINAL IN
MATERIALRUBBER
SUBSTITUTES & CROSS-REFERENCES 2
N11075Reference document
Same NSN cross-reference
Reference document — Secondary reference
M11075Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 968278R1?
968278R1 is a DIAPHRAGM,VALVE,FLAT.
What parts can replace 968278R1?
There are 2 known substitutes for 968278R1: N11075, M11075. Substitute compatibility should be verified for your specific system.
What is the NSN for 968278R1?
968278R1 is cataloged in the U.S. Government catalog under NSN 4820-00-371-4084. 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.