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Technical Data Sheet
PartsTable / COMPONENT / 0083757
0083757 ✓ 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

FOLLOWER ASSMBLY,PISTON,FUEL CON. Key specifications include material: STEEL OVERALL, thread_class: 3A SINGLE THREADED PORTION A, thread_length: 0.750 INCHES NOMINAL SINGLE THREADED PORTION IN, flange_diameter: 4.250 INCHES NOMINAL IN, style_designator: THREADED FLANGED, seat_angle_in_deg: 45.000 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 4820-00-036-1985, 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
0083757
NSN: 4820-00-036-1985
FSC: 4820
CAGE: 16497 — DRESSER, INC. DBA DRESSER EQUIPMENT GROUP DIV INDUSTRIAL VALVE OPERATIONS, DRESSE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
thread_class3A SINGLE THREADED PORTION A
thread_length0.750 INCHES NOMINAL SINGLE THREADED PORTION IN
flange_diameter4.250 INCHES NOMINAL IN
style_designatorTHREADED FLANGED
seat_angle_in_deg45.000 NOMINAL
nominal_thread_size4.250 INCHES SINGLE THREADED PORTION IN
under_flange_height1.875 INCHES NOMINAL IN
body_inside_diameter3.375 INCHES NOMINAL IN
seating_surface_shapeANGULAR
thread_quantity_per_inch14 SINGLE THREADED PORTION
thread_series_designatorUN SINGLE THREADED PORTION
NSN4820-00-036-1985
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 0083757 · 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
•
FLANGE SEAT TO DISK END HEIGHT: 0.688 INCHES NOMINAL IN
•
UNDER FLANGE HEIGHT: 1.875 INCHES NOMINAL IN
•
THREAD LENGTH: 0.750 INCHES NOMINAL SINGLE THREADED PORTION IN
•
THREAD QUANTITY PER INCH: 14 SINGLE THREADED PORTION
•
THREAD CLASS: 3A SINGLE THREADED PORTION A
•
NOMINAL THREAD SIZE: 4.250 INCHES SINGLE THREADED PORTION IN
•
SEAT ANGLE IN DEG: 45.000 NOMINAL
•
THREAD SERIES DESIGNATOR: UN SINGLE THREADED PORTION
TECHNICAL CHARACTERISTICS (FLIS)
FLANGE SEAT TO DISK END HEIGHT0.688 INCHES NOMINAL IN
UNDER FLANGE HEIGHT1.875 INCHES NOMINAL IN
THREAD LENGTH0.750 INCHES NOMINAL SINGLE THREADED PORTION IN
THREAD QUANTITY PER INCH14 SINGLE THREADED PORTION
THREAD CLASS3A SINGLE THREADED PORTION A
NOMINAL THREAD SIZE4.250 INCHES SINGLE THREADED PORTION IN
SEAT ANGLE IN DEG45.000 NOMINAL
THREAD SERIES DESIGNATORUN SINGLE THREADED PORTION
STYLE DESIGNATORTHREADED FLANGED
FLANGE DIAMETER4.250 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
115X31RInterchangeable
interchangeable cross-reference
interchangeable
137164Interchangeable
interchangeable cross-reference
interchangeable
83757Interchangeable
interchangeable cross-reference
interchangeable
5305-99-606Interchangeable
interchangeable cross-reference
interchangeable
115-7509Interchangeable
interchangeable cross-reference
interchangeable
225.20.11.41-01 .01-17Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 0083757?
0083757 is a FOLLOWER ASSMBLY,PISTON,FUEL CON.
What parts can replace 0083757?
There are 6 known substitutes for 0083757: 115X31R, 137164, 83757 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 0083757?
0083757 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-036-1985. 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