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PartsTable / COMPONENT / D15-621BPC342
D15-621BPC342 ✓ 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 CONNECTOR,PLUG,ELECTRICAL is a the manufacturer industrial component. Key specifications include material: STEEL BODY, flange_diameter: 2.000 INCHES NOMINAL IN, style_designator: PLAIN FLANGED, seat_angle_in_deg: 45.000 NOMINAL, under_flange_height: 0.750 INCHES NOMINAL IN, body_inside_diameter: 0.688 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 4820-00-337-1101, 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
D15-621BPC342
NSN: 4820-00-337-1101
FSC: 4820
CAGE: 90099 — NORTHROP GRUMMAN SYSTEMS CORPORATION DIV MARINE SYSTEMS (USA)
SPECIFICATIONS
materialSTEEL BODY
flange_diameter2.000 INCHES NOMINAL IN
style_designatorPLAIN FLANGED
seat_angle_in_deg45.000 NOMINAL
under_flange_height0.750 INCHES NOMINAL IN
body_inside_diameter0.688 INCHES NOMINAL IN
body_outside_diameter1.500 INCHES NOMINAL IN
seating_surface_shapeANGULAR
flange_seat_to_disk_end_height0.188 INCHES NOMINAL IN
NSN4820-00-337-1101
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: D15-621BPC342 · 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
•
BODY INSIDE DIAMETER: 0.688 INCHES NOMINAL IN
•
FLANGE DIAMETER: 2.000 INCHES NOMINAL IN
•
FLANGE SEAT TO DISK END HEIGHT: 0.188 INCHES NOMINAL IN
•
SEATING SURFACE SHAPE: ANGULAR
•
MATERIAL: COBALT ALLOY SEAT
•
STYLE DESIGNATOR: PLAIN FLANGED
•
BODY OUTSIDE DIAMETER: 1.500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
BODY INSIDE DIAMETER0.688 INCHES NOMINAL IN
FLANGE DIAMETER2.000 INCHES NOMINAL IN
FLANGE SEAT TO DISK END HEIGHT0.188 INCHES NOMINAL IN
SEATING SURFACE SHAPEANGULAR
MATERIALCOBALT ALLOY SEAT
STYLE DESIGNATORPLAIN FLANGED
MATERIALSTEEL BODY
BODY OUTSIDE DIAMETER1.500 INCHES NOMINAL IN
SEAT ANGLE IN DEG45.000 NOMINAL
UNDER FLANGE HEIGHT0.750 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
5013Interchangeable
interchangeable cross-reference
interchangeable
Q-C-5Interchangeable
interchangeable cross-reference
interchangeable
7-5 0.075Interchangeable
interchangeable cross-reference
interchangeable
9975Interchangeable
interchangeable cross-reference
interchangeable
9413Interchangeable
interchangeable cross-reference
interchangeable
WC596/52-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is D15-621BPC342?
D15-621BPC342 is a CONNECTOR,PLUG,ELECTRICAL.
What parts can replace D15-621BPC342?
There are 18 known substitutes for D15-621BPC342: 5013, Q-C-5, 7-5 0.075 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for D15-621BPC342?
D15-621BPC342 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-337-1101. 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