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1883-35 — DIAPHRAGM,VALVE,FLAT

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

1883-35: DIAPHRAGM,VALVE,FLAT.

The DIAPHRAGM,VALVE,FLAT is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC, hole_diameter: 0.250 INCHES NOMINAL IN, outside_diameter: 3.312 INCHES NOMINAL IN, style_designator: FLAT, bolt_hole_quantity: 12, material_thickness: 0.007 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-678-0278, 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
1883-35
NSN: 4820-00-678-0278
FSC: 4820 — Valves, Nonpowered
CAGE: 24658 — GENERAL REGULATOR CORP. DBA ACCUDRIV (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC
hole_diameter0.250 INCHES NOMINAL IN
outside_diameter3.312 INCHES NOMINAL IN
style_designatorFLAT
bolt_hole_quantity12
material_thickness0.007 INCHES NOMINAL IN
bolt_circle_diameter2.843 INCHES NOMINAL IN
NSN4820-00-678-0278
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 1883-35 · 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: 3.312 INCHES NOMINAL IN
•
STYLE DESIGNATOR: FLAT
•
MATERIAL THICKNESS: 0.007 INCHES NOMINAL IN
•
BOLT HOLE QUANTITY: 12
•
BOLT CIRCLE DIAMETER: 2.843 INCHES NOMINAL IN
•
MATERIAL: RUBBER SYNTHETIC
•
HOLE DIAMETER: 0.250 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OUTSIDE DIAMETER3.312 INCHES NOMINAL IN
STYLE DESIGNATORFLAT
MATERIAL THICKNESS0.007 INCHES NOMINAL IN
BOLT HOLE QUANTITY12
BOLT CIRCLE DIAMETER2.843 INCHES NOMINAL IN
MATERIALRUBBER SYNTHETIC
HOLE DIAMETER0.250 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 2
1876-35Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
81263-32Reference 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 1883-35?
1883-35 is a DIAPHRAGM,VALVE,FLAT.
What parts can replace 1883-35?
There are 2 known substitutes for 1883-35: 1876-35, 81263-32. Substitute compatibility should be verified for your specific system.
What is the NSN for 1883-35?
1883-35 is cataloged in the U.S. Government catalog under NSN 4820-00-678-0278. 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.