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T-433-B-1 IN — VALVE,CHECK

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

T-433-B-1 IN: VALVE,CHECK.

The VALVE,CHECK is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, special_features: OILY WATER SEPARATOR,300PSI,OIL,WATER,AND GAS,150LB CLASS LBS, style_designator: STRAIGHT THRU, mounting_position: HORIZONTAL, valve_operation_method: AUTOMATIC, nominal_pipe_size_accommodated: 1.000 INCHES ALL ENDS IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-485-0228, 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
T-433-B-1 IN
NSN: 4820-01-485-0228
FSC: 4820 — Valves, Nonpowered
CAGE: 12168 — NIBCO INC (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
special_featuresOILY WATER SEPARATOR,300PSI,OIL,WATER,AND GAS,150LB CLASS LBS
style_designatorSTRAIGHT THRU
mounting_positionHORIZONTAL
valve_operation_methodAUTOMATIC
nominal_pipe_size_accommodated1.000 INCHES ALL ENDS IN
NSN4820-01-485-0228
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: T-433-B-1 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
•
NOMINAL PIPE SIZE ACCOMMODATED: 1.000 INCHES ALL ENDS IN
•
MOUNTING POSITION: HORIZONTAL
•
STYLE DESIGNATOR: STRAIGHT THRU
•
MATERIAL: COPPER ALLOY OVERALL
•
VALVE OPERATION METHOD: AUTOMATIC
TECHNICAL CHARACTERISTICS
NOMINAL PIPE SIZE ACCOMMODATED1.000 INCHES ALL ENDS IN
MOUNTING POSITIONHORIZONTAL
STYLE DESIGNATORSTRAIGHT THRU
SPECIAL FEATURESOILY WATER SEPARATOR,300PSI,OIL,WATER,AND GAS,150LB CLASS LBS
MATERIALCOPPER ALLOY OVERALL
VALVE OPERATION METHODAUTOMATIC
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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is T-433-B-1 IN?
T-433-B-1 IN is a VALVE,CHECK.
What is the NSN for T-433-B-1 IN?
T-433-B-1 IN is cataloged in the U.S. Government catalog under NSN 4820-01-485-0228. 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.