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C3854 — VALVE,BUTTERFLY

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

C3854: VALVE,BUTTERFLY.

The VALVE,BUTTERFLY is a the manufacturer industrial component. Key specifications include material: STEEL COMP 316, valve_size_for_which_designed: 2.500 INCHES IN, valve_type_for_which_designed: BUTTERFLY, criticality_code_justification: ZZZY, material_document_and_classification: AMS 5648,CLASS 316 ASSN STD SINGLE MATERIAL RESPONSE, valve_model_number_for_which_designed: 3855-1323311. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-136-9326, 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
C3854
NSN: 4820-00-136-9326
NIINs: 001369326, 011000807
FSC: 4820 — Valves, Nonpowered
CAGE: 15645 — COOPER CAMERON CORP COOPER CAMERON VALVES DIV (USA)
SPECIFICATIONS
materialSTEEL COMP 316
valve_size_for_which_designed2.500 INCHES IN
valve_type_for_which_designedBUTTERFLY
criticality_code_justificationZZZY
material_document_and_classificationAMS 5648,CLASS 316 ASSN STD SINGLE MATERIAL RESPONSE
valve_model_number_for_which_designed3855-1323311
reference_number_differentiating_characteristicsMATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS.
NSN4820-00-136-9326
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: C3854 · 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
•
CRITICALITY CODE JUSTIFICATION: ZZZY
•
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS.
TECHNICAL CHARACTERISTICS
CRITICALITY CODE JUSTIFICATIONZZZY
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSMATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS.
SUBSTITUTES & CROSS-REFERENCES 1
3857-13243111Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedDemilitarization required (F)
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FREQUENTLY ASKED QUESTIONS
What is C3854?
C3854 is a VALVE,BUTTERFLY.
What parts can replace C3854?
There is 1 known substitute for C3854: 3857-13243111. Substitute compatibility should be verified for your specific system.
What is the NSN for C3854?
C3854 is cataloged in the U.S. Government catalog under NSN 4820-00-136-9326. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.