PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 52ND6602
52ND6602 ✓ 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 RESISTOR,FIXED,COMPOSITION is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303 OR STEEL CORROSION RESISTING OVERALL, flange_diameter: 1.998 INCHES MINIMUM AND 1.999 INCHES MAXIMUM IN, style_designator: PLAIN FLANGED, seat_angle_in_deg: 25.000 NOMINAL, surface_treatment: PASSIVATE OVERALL, under_flange_height: 0.250 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 4820-00-690-0345, 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
52ND6602
NSN: 4820-00-690-0345
FSC: 4820
CAGE: 82328 — DRESSER RAND CO TERRY CORP STEAM TURBINE MOTOR AND GENERATOR CO A JOINT VENTURE (USA)
SPECIFICATIONS
materialSTEEL COMP 303 OR STEEL CORROSION RESISTING OVERALL
flange_diameter1.998 INCHES MINIMUM AND 1.999 INCHES MAXIMUM IN
style_designatorPLAIN FLANGED
seat_angle_in_deg25.000 NOMINAL
surface_treatmentPASSIVATE OVERALL
under_flange_height0.250 INCHES NOMINAL IN
body_inside_diameter1.124 INCHES MINIMUM AND 1.126 INCHES MAXIMUM IN
body_outside_diameter1.876 INCHES MINIMUM AND 1.877 INCHES MAXIMUM IN
seating_surface_shapeANGULAR
flange_seat_to_disk_end_height0.375 INCHES NOMINAL IN
material_document_and_classificationQQ-S-763,CLASS 303 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-S-763,CLASS 416 FED SPEC SINGLE MATERIAL RESPONSE BODY
NSN4820-00-690-0345
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 52ND6602 · 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
•
UNDER FLANGE HEIGHT: 0.250 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-R-17131,TYPE MIL-RCOCR-A MIL SPEC SINGLE MATERIAL RESPONSE FACE
•
SEATING SURFACE SHAPE: ANGULAR
•
STYLE DESIGNATOR: PLAIN FLANGED
•
MATERIAL: STEEL COMP 303 OR STEEL CORROSION RESISTING OVERALL
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
FLANGE DIAMETER: 1.998 INCHES MINIMUM AND 1.999 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
UNDER FLANGE HEIGHT0.250 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-R-17131,TYPE MIL-RCOCR-A MIL SPEC SINGLE MATERIAL RESPONSE FACE
SEATING SURFACE SHAPEANGULAR
STYLE DESIGNATORPLAIN FLANGED
MATERIALSTEEL COMP 303 OR STEEL CORROSION RESISTING OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763,CLASS 303 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-S-763,CLASS 416 FED SPEC SINGLE MATERIAL RESPONSE BODY
SURFACE TREATMENTPASSIVATE OVERALL
FLANGE DIAMETER1.998 INCHES MINIMUM AND 1.999 INCHES MAXIMUM IN
FLANGE SEAT TO DISK END HEIGHT0.375 INCHES NOMINAL IN
SEAT ANGLE IN DEG25.000 NOMINAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
900-068Interchangeable
interchangeable cross-reference
interchangeable
700302Interchangeable
interchangeable cross-reference
interchangeable
RCR42G270JMInterchangeable
interchangeable cross-reference
interchangeable
HB27OHMS5PCTInterchangeable
interchangeable cross-reference
interchangeable
717085Interchangeable
interchangeable cross-reference
interchangeable
625R081G02Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy 52ND6602?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 52ND6602?
52ND6602 is a RESISTOR,FIXED,COMPOSITION.
What parts can replace 52ND6602?
There are 12 known substitutes for 52ND6602: 900-068, 700302, RCR42G270JM and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 52ND6602?
52ND6602 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-690-0345. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 52ND6602

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026