PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 0103020073
0103020073 ✓ 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 SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, thread_class: 2A SINGLE THREADED PORTION A, thread_length: 1.219 INCHES NOMINAL SINGLE THREADED PORTION IN, overall_height: 1.562 INCHES NOMINAL IN, style_designator: PLAIN THREADED, seat_angle_in_deg: 0.750 NOMINAL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-036-1776, 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
0103020073
NSN: 4820-00-036-1776
FSC: 4820
CAGE: 75954 — KUNKLE INDUSTRIES INC LONERGAN VALVE DIV (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
thread_class2A SINGLE THREADED PORTION A
thread_length1.219 INCHES NOMINAL SINGLE THREADED PORTION IN
overall_height1.562 INCHES NOMINAL IN
style_designatorPLAIN THREADED
seat_angle_in_deg0.750 NOMINAL
nominal_thread_size3.125 INCHES SINGLE THREADED PORTION IN
body_inside_diameter1.938 INCHES NOMINAL IN
seating_surface_shapeANGULAR
thread_quantity_per_inch16 SINGLE THREADED PORTION
thread_series_designatorUN SINGLE THREADED PORTION
NSN4820-00-036-1776
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 0103020073 · 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: 1.938 INCHES NOMINAL IN
•
STYLE DESIGNATOR: PLAIN THREADED
•
THREAD QUANTITY PER INCH: 16 SINGLE THREADED PORTION
•
SEAT ANGLE IN DEG: 0.750 NOMINAL
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
•
SEATING SURFACE SHAPE: ANGULAR
•
THREAD LENGTH: 1.219 INCHES NOMINAL SINGLE THREADED PORTION IN
•
THREAD SERIES DESIGNATOR: UN SINGLE THREADED PORTION
TECHNICAL CHARACTERISTICS (FLIS)
BODY INSIDE DIAMETER1.938 INCHES NOMINAL IN
STYLE DESIGNATORPLAIN THREADED
THREAD QUANTITY PER INCH16 SINGLE THREADED PORTION
SEAT ANGLE IN DEG0.750 NOMINAL
MATERIALSTEEL CORROSION RESISTING OVERALL
SEATING SURFACE SHAPEANGULAR
THREAD LENGTH1.219 INCHES NOMINAL SINGLE THREADED PORTION IN
THREAD SERIES DESIGNATORUN SINGLE THREADED PORTION
THREAD CLASS2A SINGLE THREADED PORTION A
NOMINAL THREAD SIZE2.750 INCHES SINGLE THREADED PORTION IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
010.302.0073Interchangeable
interchangeable cross-reference
interchangeable
0103050073Interchangeable
interchangeable cross-reference
interchangeable
41-3-7Interchangeable
interchangeable cross-reference
interchangeable
77452Interchangeable
interchangeable cross-reference
interchangeable
4136Interchangeable
interchangeable cross-reference
interchangeable
AS4167 TY2CL2STDInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy 0103020073?
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 0103020073?
0103020073 is a SEAT,VALVE.
What parts can replace 0103020073?
There are 16 known substitutes for 0103020073: 010.302.0073, 0103050073, 41-3-7 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 0103020073?
0103020073 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-036-1776. 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 — 0103020073

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