PartsTable
Technical Data Sheet
4749-1 ITEM 2 ✓ 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

RESISTOR,VARIABLE,WIRE WOUND,NON. Key specifications include material: STEEL CORROSION RESISTING, pressure_rating: 150.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS, special_features: 150 PSI.W.O.G.SERVICE, end_item_identification: E/I:8 IN.WAFER CHECK VALVE P/N:4749-1 IN, media_for_which_designed: WATER OR OIL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-497-3172, 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
4749-1 ITEM 2
NSN: 4820-01-497-3172
FSC: 4820
CAGE: 000B3 — SURE FLOW EQUIPMENT INC DIV SURE FLOW EQUIPMENRT INC (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
pressure_rating150.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
special_features150 PSI.W.O.G.SERVICE
end_item_identificationE/I:8 IN.WAFER CHECK VALVE P/N:4749-1 IN
media_for_which_designedWATER OR OIL
NSN4820-01-497-3172
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: 4749-1 ITEM 2 · 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
PRESSURE RATING: 150.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
MATERIAL: STEEL CORROSION RESISTING
MEDIA FOR WHICH DESIGNED: WATER OR OIL
TECHNICAL CHARACTERISTICS (FLIS)
PRESSURE RATING150.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
MATERIALSTEEL CORROSION RESISTING
MEDIA FOR WHICH DESIGNEDWATER OR OIL
SPECIAL FEATURES150 PSI.W.O.G.SERVICE
END ITEM IDENTIFICATIONE/I:8 IN.WAFER CHECK VALVE P/N:4749-1 IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
4988799-5Interchangeable
interchangeable cross-reference
interchangeable
4988799Interchangeable
interchangeable cross-reference
interchangeable
47491Interchangeable
interchangeable cross-reference
interchangeable
2382693AInterchangeable
interchangeable cross-reference
interchangeable
4749-1 ASSY FE-150-BS-VIR-0800Interchangeable
interchangeable cross-reference
interchangeable
FE-150-BS-VIR-0800Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4749-1 ITEM 2?
4749-1 ITEM 2 is a RESISTOR,VARIABLE,WIRE WOUND,NON.
What parts can replace 4749-1 ITEM 2?
There are 7 known substitutes for 4749-1 ITEM 2: 4988799-5, 4988799, 47491 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4749-1 ITEM 2?
4749-1 ITEM 2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-497-3172. This indicates validated use in U.S. government and defense supply chains.
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