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818-057TT-749CP — VALVE,GLOBE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

818-057TT-749CP: VALVE,GLOBE.

The VALVE,GLOBE is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYTETRAFLUOROETHYLENE SEAT, connection_type: THREADED INTERNAL BOSS ALL ENDS, connection_style: GASKET SEAL(BOSS) ALL ENDS, special_features: OVERALL LENGTH 3.000 IN.; HEIGHT 4.062 IN. OPEN IN, style_designator: STRAIGHT THRU, operating_pressure: 6000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS.

This part is cataloged in the U.S. Government catalog under NSN 4820-01-314-3798, 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
818-057TT-749CP
NSN: 4820-01-314-3798
FSC: 4820 — Valves, Nonpowered
CAGE: 03950 — NAVAL INVENTORY CONTROL POINT MECHANICSBURG (USA)
SPECIFICATIONS
materialPLASTIC POLYTETRAFLUOROETHYLENE SEAT
connection_typeTHREADED INTERNAL BOSS ALL ENDS
connection_styleGASKET SEAL(BOSS) ALL ENDS
special_featuresOVERALL LENGTH 3.000 IN.; HEIGHT 4.062 IN. OPEN IN
style_designatorSTRAIGHT THRU
operating_pressure6000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
flow_control_deviceNEEDLE
special_test_featuresQXYGEN CLEANED
valve_operation_methodMANUAL
thread_series_designatorNPT ALL ENDS
criticality_code_justificationSPCL
NSN4820-01-314-3798
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 818-057TT-749CP · 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
•
FLOW CONTROL DEVICE: NEEDLE
•
CONNECTION STYLE: GASKET SEAL(BOSS) ALL ENDS
•
SPECIAL TEST FEATURES: QXYGEN CLEANED
•
CRITICALITY CODE JUSTIFICATION: SPCL
•
CONNECTION TYPE: THREADED INTERNAL BOSS ALL ENDS
•
STYLE DESIGNATOR: STRAIGHT THRU
•
OPERATING PRESSURE: 6000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICENEEDLE
CONNECTION STYLEGASKET SEAL(BOSS) ALL ENDS
SPECIAL TEST FEATURESQXYGEN CLEANED
CRITICALITY CODE JUSTIFICATIONSPCL
CONNECTION TYPETHREADED INTERNAL BOSS ALL ENDS
STYLE DESIGNATORSTRAIGHT THRU
OPERATING PRESSURE6000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
SPECIAL FEATURESOVERALL LENGTH 3.000 IN.; HEIGHT 4.062 IN. OPEN IN
MATERIALSTEEL COMP 316 BODY
MATERIALSTEEL COMP 316 STEM
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
818-057TT-749Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 818-057TT-749CP?
818-057TT-749CP is a VALVE,GLOBE.
What parts can replace 818-057TT-749CP?
There is 1 known substitute for 818-057TT-749CP: 818-057TT-749. Substitute compatibility should be verified for your specific system.
What is the NSN for 818-057TT-749CP?
818-057TT-749CP is cataloged in the U.S. Government catalog under NSN 4820-01-314-3798. This indicates validated use in U.S. government and defense supply chains.
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