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Technical Data Sheet

MF849-3/4 IN. — VALVE,REGULATING,SYSTEM PRESSURE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

MF849-3/4 IN.: VALVE,REGULATING,SYSTEM PRESSURE.

VALVE,REGULATING,SYSTEM PRESSURE. Key specifications include material: PLASTIC POLYAMIDE NYLON BODY, special_features: THREADS PARALLEL, style_designator: STRAIGHT THRU, valve_operation_method: MANUAL, end_item_identification: E/I:LOCATED OM 10MTR RIB., media_for_which_designed: WATER, SALT SINGLE RESPONSE. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-499-4628, 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
MF849-3/4 IN.
NSN: 4820-01-499-4628
FSC: 4820 — Valves, Nonpowered
CAGE: 02AC6 — FORESPAR PRODUCTS CORP (USA)
SPECIFICATIONS
materialPLASTIC POLYAMIDE NYLON BODY
special_featuresTHREADS PARALLEL
style_designatorSTRAIGHT THRU
valve_operation_methodMANUAL
end_item_identificationE/I:LOCATED OM 10MTR RIB.
media_for_which_designedWATER, SALT SINGLE RESPONSE
part_name_assigned_by_controlling_agencySEACOCK
NSN4820-01-499-4628
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: MF849-3/4 IN. · 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
•
STYLE DESIGNATOR: STRAIGHT THRU
•
MEDIA FOR WHICH DESIGNED: WATER, SALT SINGLE RESPONSE
•
MATERIAL: PLASTIC POLYAMIDE NYLON BODY
•
VALVE OPERATION METHOD: MANUAL
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORSTRAIGHT THRU
SPECIAL FEATURESTHREADS PARALLEL
MEDIA FOR WHICH DESIGNEDWATER, SALT SINGLE RESPONSE
PART NAME ASSIGNED BY CONTROLLING AGENCYSEACOCK
END ITEM IDENTIFICATIONE/I:LOCATED OM 10MTR RIB.
MATERIALPLASTIC POLYAMIDE NYLON BODY
VALVE OPERATION METHODMANUAL
SUBSTITUTES & CROSS-REFERENCES 1
904010Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is MF849-3/4 IN.?
MF849-3/4 IN. is a VALVE,REGULATING,SYSTEM PRESSURE.
What parts can replace MF849-3/4 IN.?
There is 1 known substitute for MF849-3/4 IN.: 904010. Substitute compatibility should be verified for your specific system.
What is the NSN for MF849-3/4 IN.?
MF849-3/4 IN. is cataloged in the U.S. Government catalog under NSN 4820-01-499-4628. 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.