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UL83-33A — DIAPHRAGM,VALVE,FLAT

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

UL83-33A: DIAPHRAGM,VALVE,FLAT.

The DIAPHRAGM,VALVE,FLAT is a the manufacturer industrial component. Key specifications include material: RUBBER FABRIC REINFORCED, hole_diameter: 0.475 INCHES NOMINAL IN, overall_width: 4.250 INCHES NOMINAL IN, overall_length: 4.250 INCHES NOMINAL IN, style_designator: FLAT, material_thickness: 0.106 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-690-3230, 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
UL83-33A
NSN: 4820-00-690-3230
FSC: 4820 — Valves, Nonpowered
CAGE: 88663 — DRESSER-RAND CO INGERSOLL-RAND OPNS A JOINT VENTURE (USA)
SPECIFICATIONS
materialRUBBER FABRIC REINFORCED
hole_diameter0.475 INCHES NOMINAL IN
overall_width4.250 INCHES NOMINAL IN
overall_length4.250 INCHES NOMINAL IN
style_designatorFLAT
bolt_hole_quantity4
material_thickness0.106 INCHES NOMINAL IN
center_hole_diameter0.462 INCHES NOMINAL IN
outside_corner_radius0.500 INCHES NOMINAL IN
center_to_center_distance_between_bolt_holes_along_width3.125 INCHES NOMINAL IN
center_to_center_distance_between_bolt_holes_along_length3.125 INCHES NOMINAL IN
NSN4820-00-690-3230
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: UL83-33A · 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
•
STYLE DESIGNATOR: FLAT
•
MATERIAL THICKNESS: 0.106 INCHES NOMINAL IN
•
BOLT HOLE QUANTITY: 4
•
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG LENGTH: 3.125 INCHES NOMINAL IN
•
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG WIDTH: 3.125 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 0.462 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORFLAT
OVERALL LENGTH4.250 INCHES NOMINAL IN
OVERALL WIDTH4.250 INCHES NOMINAL IN
MATERIAL THICKNESS0.106 INCHES NOMINAL IN
BOLT HOLE QUANTITY4
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG LENGTH3.125 INCHES NOMINAL IN
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG WIDTH3.125 INCHES NOMINAL IN
CENTER HOLE DIAMETER0.462 INCHES NOMINAL IN
OUTSIDE CORNER RADIUS0.500 INCHES NOMINAL IN
MATERIALRUBBER FABRIC REINFORCED
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
N-37087REVEReference 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 UL83-33A?
UL83-33A is a DIAPHRAGM,VALVE,FLAT.
What parts can replace UL83-33A?
There is 1 known substitute for UL83-33A: N-37087REVE. Substitute compatibility should be verified for your specific system.
What is the NSN for UL83-33A?
UL83-33A is cataloged in the U.S. Government catalog under NSN 4820-00-690-3230. This indicates validated use in U.S. government and defense supply chains.
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