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PartsTable / COMPONENT / C3842G
C3842G ✓ 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

INSULATION BLANKET,THERMAL,AIRCR. Key specifications include material: NICKEL ALLOY OVERALL, flange_diameter: 3.850 INCHES NOMINAL IN, special_features: CENTER GUIDED, style_designator: THREADED FLANGED, under_flange_height: 0.520 INCHES NOMINAL IN, body_inside_diameter: 3.000 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 4820-00-911-8536, 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
C3842G
NSN: 4820-00-911-8536
FSC: 4820
CAGE: 86184 — GRISWOLD INDUSTRIES DBA CLA-VAL CO (USA)
SPECIFICATIONS
materialNICKEL ALLOY OVERALL
flange_diameter3.850 INCHES NOMINAL IN
special_featuresCENTER GUIDED
style_designatorTHREADED FLANGED
under_flange_height0.520 INCHES NOMINAL IN
body_inside_diameter3.000 INCHES NOMINAL IN
seating_surface_shapeFLAT
flange_seat_to_disk_end_height0.290 INCHES NOMINAL IN
NSN4820-00-911-8536
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: C3842G · 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
•
SEATING SURFACE SHAPE: FLAT
•
STYLE DESIGNATOR: THREADED FLANGED
•
FLANGE DIAMETER: 3.850 INCHES NOMINAL IN
•
FLANGE SEAT TO DISK END HEIGHT: 0.290 INCHES NOMINAL IN
•
MATERIAL: NICKEL ALLOY OVERALL
•
UNDER FLANGE HEIGHT: 0.520 INCHES NOMINAL IN
•
BODY INSIDE DIAMETER: 3.000 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
SEATING SURFACE SHAPEFLAT
SPECIAL FEATURESCENTER GUIDED
STYLE DESIGNATORTHREADED FLANGED
FLANGE DIAMETER3.850 INCHES NOMINAL IN
FLANGE SEAT TO DISK END HEIGHT0.290 INCHES NOMINAL IN
MATERIALNICKEL ALLOY OVERALL
UNDER FLANGE HEIGHT0.520 INCHES NOMINAL IN
BODY INSIDE DIAMETER3.000 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
575C457P2Interchangeable
interchangeable cross-reference
interchangeable
5755Interchangeable
interchangeable cross-reference
interchangeable
C3842Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is C3842G?
C3842G is a INSULATION BLANKET,THERMAL,AIRCR.
What parts can replace C3842G?
There are 3 known substitutes for C3842G: 575C457P2, 5755, C3842. Substitute compatibility should be verified for your specific system.
What is the NSN for C3842G?
C3842G is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-911-8536. 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