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Technical Data Sheet
PartsTable / COMPONENT / ND5134PC21
ND5134PC21 ✓ 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 MICROCIRCUIT,DIGITAL is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303, seat_angle: 45.0 DEGREES NOMINAL, overall_height: 0.812 INCHES NOMINAL IN, shank_diameter: 1.188 INCHES NOMINAL IN, flange_diameter: 1.188 INCHES NOMINAL IN, special_features: W/ONE COUNTERBORED HOLE,0.625 IN ID BY 0.570 IN.DEEP IN DISK TOP IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-076-3831, 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
ND5134PC21
NSN: 4820-00-076-3831
FSC: 4820
CAGE: 82328 — DRESSER RAND CO TERRY CORP STEAM TURBINE MOTOR AND GENERATOR CO A JOINT VENTURE (USA)
SPECIFICATIONS
materialSTEEL COMP 303
seat_angle45.0 DEGREES NOMINAL
overall_height0.812 INCHES NOMINAL IN
shank_diameter1.188 INCHES NOMINAL IN
flange_diameter1.188 INCHES NOMINAL IN
special_featuresW/ONE COUNTERBORED HOLE,0.625 IN ID BY 0.570 IN.DEEP IN DISK TOP IN
style_designatorPOPPET
media_for_which_designedHYDRAULIC FLUID
material_document_and_classificationQQ-S-763, CLASS 303, COND A FED SPEC 1ST MATERIAL RESPONSE OR AISI 303 ASSN STD 2ND MATERIAL RESPONSE
NSN4820-00-076-3831
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: ND5134PC21 · 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
•
MATERIAL: STEEL COMP 303
•
FLANGE DIAMETER: 1.188 INCHES NOMINAL IN
•
SEAT ANGLE: 45.0 DEGREES NOMINAL
•
MEDIA FOR WHICH DESIGNED: HYDRAULIC FLUID
•
STYLE DESIGNATOR: POPPET
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-763, CLASS 303, COND A FED SPEC 1ST MATERIAL RESPONSE OR AISI 303 ASSN STD 2ND MATERIAL RESPONSE
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL COMP 303
FLANGE DIAMETER1.188 INCHES NOMINAL IN
SEAT ANGLE45.0 DEGREES NOMINAL
OVERALL HEIGHT0.812 INCHES NOMINAL IN
SPECIAL FEATURESW/ONE COUNTERBORED HOLE,0.625 IN ID BY 0.570 IN.DEEP IN DISK TOP IN
MEDIA FOR WHICH DESIGNEDHYDRAULIC FLUID
STYLE DESIGNATORPOPPET
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763, CLASS 303, COND A FED SPEC 1ST MATERIAL RESPONSE OR AISI 303 ASSN STD 2ND MATERIAL RESPONSE
SHANK DIAMETER1.188 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
280016Interchangeable
interchangeable cross-reference
interchangeable
74C00Interchangeable
interchangeable cross-reference
interchangeable
1-926121-001Interchangeable
interchangeable cross-reference
interchangeable
ND6284PC21Interchangeable
Same NIIN cross-reference
interchangeable
21NA6905Interchangeable
Same NIIN cross-reference
interchangeable
NA6905PC21Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is ND5134PC21?
ND5134PC21 is a MICROCIRCUIT,DIGITAL.
What parts can replace ND5134PC21?
There are 9 known substitutes for ND5134PC21: 280016, 74C00, 1-926121-001 and 6 more. Substitute compatibility should be verified for your specific system.
Is ND5134PC21 still available?
ND5134PC21 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026