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Technical Data Sheet
PartsTable / COMPONENT / NS-4029
NS-4029 ✓ 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 COVER NUT,VALVE is a the manufacturer industrial component. Key specifications include height: 0.312 INCHES NOMINAL IN, material: COPPER ALLOY, valve_size: 0.500 INCHES IN, flange_shape: ROUND WITH HOLES ALL ENDS, connection_type: FLANGE ALL ENDS, outside_diameter: 3.312 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 4820-01-103-3260, 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
NS-4029
NSN: 4820-01-103-3260
FSC: 4820
CAGE: 15187 — EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP DIV NAVY PRODUCT TEAM (USA)
SPECIFICATIONS
height0.312 INCHES NOMINAL IN
materialCOPPER ALLOY
valve_size0.500 INCHES IN
flange_shapeROUND WITH HOLES ALL ENDS
connection_typeFLANGE ALL ENDS
outside_diameter3.312 INCHES NOMINAL IN
style_designatorSTRAIGHT THRU FLANGED ENDS
attachment_methodTHREADED
mounting_facilityBRACKET(S)
mounting_positionHORIZONTAL
nominal_thickness0.875 INCHES ALL ENDS IN
bolt_hole_quantity4 ALL ENDS
NSN4820-01-103-3260
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: NS-4029 · 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
•
FLOW CONTROL DEVICE: DISK
•
MOUNTING FACILITY: BRACKET(S)
•
VALVE SIZE: 0.500 INCHES IN
•
FLANGE SHAPE: ROUND WITH HOLES ALL ENDS
•
FLANGE FACE DESIGN: PLAIN ALL ENDS
•
BOLT HOLE QUANTITY: 4 ALL ENDS
•
STYLE DESIGNATOR: STRAIGHT THRU FLANGED ENDS
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A351,GRADE CF8M ASSN STD SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
FLOW CONTROL DEVICEDISK
MOUNTING FACILITYBRACKET(S)
VALVE SIZE0.500 INCHES IN
FLANGE SHAPEROUND WITH HOLES ALL ENDS
FLANGE FACE DESIGNPLAIN ALL ENDS
BOLT HOLE QUANTITY4 ALL ENDS
STYLE DESIGNATORSTRAIGHT THRU FLANGED ENDS
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A351,GRADE CF8M ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MOUNTING POSITIONHORIZONTAL
NOMINAL OUTSIDE DIAMETER3.750 INCHES ALL ENDS IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
NS-4029 ASSEMBLY 6B FIND 2 1INInterchangeable
interchangeable cross-reference
interchangeable
NS-4029Interchangeable
interchangeable cross-reference
interchangeable
NS-4029 ASSEMBLY6A FIND4 1/2INInterchangeable
interchangeable cross-reference
interchangeable
NS-4029 ASSEMBLY 6B FIND 4 1INInterchangeable
interchangeable cross-reference
interchangeable
NS-4029 ASSEMBLY6A FIND2 1/2INInterchangeable
interchangeable cross-reference
interchangeable
NS-4029 ASSEMBLY 6A 1/2INInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is NS-4029?
NS-4029 is a COVER NUT,VALVE.
What parts can replace NS-4029?
There are 7 known substitutes for NS-4029: NS-4029 ASSEMBLY 6B FIND 2 1IN, NS-4029, NS-4029 ASSEMBLY6A FIND4 1/2IN and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for NS-4029?
NS-4029 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-103-3260. 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