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M3854-1L1 — VALVE,CHECK

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

M3854-1L1: VALVE,CHECK.

The VALVE,CHECK is a the manufacturer industrial component. Key specifications include material: STEEL COMP 316 FLOW CONTROL DEVICE, thread_class: 3A ALL ENDS A, connection_type: THREADED EXTERNAL TUBE ALL ENDS, style_designator: STRAIGHT THRU, thread_direction: RIGHT-HAND ALL ENDS, nominal_thread_size: 0.188 INCHES ALL ENDS IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-607-6410, 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
M3854-1L1
NSN: 4820-01-607-6410
FSC: 4820 — Valves, Nonpowered
CAGE: 03950 — NAVAL INVENTORY CONTROL POINT MECHANICSBURG (USA)
SPECIFICATIONS
materialSTEEL COMP 316 FLOW CONTROL DEVICE
thread_class3A ALL ENDS A
connection_typeTHREADED EXTERNAL TUBE ALL ENDS
style_designatorSTRAIGHT THRU
thread_directionRIGHT-HAND ALL ENDS
nominal_thread_size0.188 INCHES ALL ENDS IN
valve_operation_methodAUTOMATIC
thread_quantity_per_inch12 ALL ENDS
thread_series_designatorUN ALL ENDS
criticality_code_justificationZZZY
part_name_assigned_by_controlling_agency1/4 INCH INLINE CHECK VALVE INLINE UNION END 4500 PSI IN
reference_number_differentiating_characteristicsMATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL 1 ITEMS.
NSN4820-01-607-6410
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: M3854-1L1 · 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
•
CONNECTION STYLE: PLAIN (SCREW-IN CARTRIDGE) ALL ENDS
•
CRITICALITY CODE JUSTIFICATION: ZZZY
•
CONNECTION TYPE: THREADED EXTERNAL TUBE ALL ENDS
•
STYLE DESIGNATOR: STRAIGHT THRU
•
THREAD DIRECTION: RIGHT-HAND ALL ENDS
•
NOMINAL THREAD SIZE: 0.188 INCHES ALL ENDS IN
•
THREAD CLASS: 3A ALL ENDS A
TECHNICAL CHARACTERISTICS
CONNECTION STYLEPLAIN (SCREW-IN CARTRIDGE) ALL ENDS
CRITICALITY CODE JUSTIFICATIONZZZY
CONNECTION TYPETHREADED EXTERNAL TUBE ALL ENDS
STYLE DESIGNATORSTRAIGHT THRU
THREAD DIRECTIONRIGHT-HAND ALL ENDS
NOMINAL THREAD SIZE0.188 INCHES ALL ENDS IN
PART NAME ASSIGNED BY CONTROLLING AGENCY1/4 INCH INLINE CHECK VALVE INLINE UNION END 4500 PSI IN
THREAD CLASS3A ALL ENDS A
THREAD QUANTITY PER INCH12 ALL ENDS
MATERIALSTEEL COMP 316 BODY
OTHER ITEMS IN FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097 4820-00-001-0010 4820-00-001-0020 4820-00-001-0021 4820-00-001-0032 4820-00-001-0037 4820-00-001-0042 4820-00-001-1230
SUBSTITUTES & CROSS-REFERENCES 1
M3854-1Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Demilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is M3854-1L1?
M3854-1L1 is a VALVE,CHECK.
What parts can replace M3854-1L1?
There is 1 known substitute for M3854-1L1: M3854-1. Substitute compatibility should be verified for your specific system.
What is the NSN for M3854-1L1?
M3854-1L1 is cataloged in the U.S. Government catalog under NSN 4820-01-607-6410. This indicates validated use in U.S. government and defense supply chains.
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