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Technical Data Sheet
PartsTable / COMPONENT / 5527B
5527B ✓ Verified by PartsTable
— · GATE VALVE
WHAT YOU NEED TO KNOW
Full open or full close only — never throttle Rising stem shows position visually
Throttling a gate valve erodes seats
PRODUCT OVERVIEW

The DIAPHRAGM,VALVE,FLAT is a the manufacturer industrial component. Key specifications include material: PLASTIC ACETAL, hole_diameter: 0.410 INCHES NOMINAL IN, outside_diameter: 5.875 INCHES NOMINAL IN, style_designator: FLAT, bolt_hole_quantity: 10, material_thickness: 0.010 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-731-9191, 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
5527B
NSN: 4820-00-731-9191
FSC: 4820
CAGE: 93236 — DRESSER-RAND CO WORTHINGTON COMPRESSOR OPN A JOINT VENTURE (USA)
SPECIFICATIONS
materialPLASTIC ACETAL
hole_diameter0.410 INCHES NOMINAL IN
outside_diameter5.875 INCHES NOMINAL IN
style_designatorFLAT
bolt_hole_quantity10
material_thickness0.010 INCHES NOMINAL IN
bolt_circle_diameter5.125 INCHES NOMINAL IN
NSN4820-00-731-9191
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 5527B · 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
•
BOLT HOLE QUANTITY: 10
•
MATERIAL THICKNESS: 0.010 INCHES NOMINAL IN
•
HOLE DIAMETER: 0.410 INCHES NOMINAL IN
•
MATERIAL: PLASTIC ACETAL
•
OUTSIDE DIAMETER: 5.875 INCHES NOMINAL IN
•
STYLE DESIGNATOR: FLAT
•
BOLT CIRCLE DIAMETER: 5.125 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
BOLT HOLE QUANTITY10
MATERIAL THICKNESS0.010 INCHES NOMINAL IN
HOLE DIAMETER0.410 INCHES NOMINAL IN
MATERIALPLASTIC ACETAL
OUTSIDE DIAMETER5.875 INCHES NOMINAL IN
STYLE DESIGNATORFLAT
BOLT CIRCLE DIAMETER5.125 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
8799Interchangeable
interchangeable cross-reference
interchangeable
153Interchangeable
interchangeable cross-reference
interchangeable
77Interchangeable
interchangeable cross-reference
interchangeable
TS-411Interchangeable
interchangeable cross-reference
interchangeable
984501-1Interchangeable
interchangeable cross-reference
interchangeable
5647Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 5527B?
5527B is a DIAPHRAGM,VALVE,FLAT.
What parts can replace 5527B?
There are 11 known substitutes for 5527B: 8799, 153, 77 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 5527B?
5527B is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-731-9191. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026