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Technical Data Sheet
PartsTable / COMPONENT / 1B433 3/4 IN
1B433 3/4 IN ✓ 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

The 1B433 3/4 IN is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-274-7390, 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
1B433 3/4 IN
NSN: 4820-00-274-7390
FSC: 4820
CAGE: 14448 — HAMMOND VALVE CORP (USA)
SPECIFICATIONS
Part Number1B433 3/4 IN
NSN4820-00-274-7390
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 1B433 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
•
MATERIAL: PLASTIC POLYTETRAFLUOROETHYLENE PACKING
•
FEATURES PROVIDED: BONNET PACKING
•
MATERIAL DOCUMENT AND CLASSIFICATION: AST B62 ALLOY 836 ASSN STD SINGLE MATERIAL RESPONSE BODY
•
CONNECTION STYLE: PLAIN,OPTIONAL END(PIPE) ALL ENDS
•
VALVE OPERATION METHOD: MANUAL
•
BONNET ATTACHMENT METHOD: UNION
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORSTRAIGHT THRU
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE PACKING
SPECIAL FEATURESRENEWABLE COMPOSITION DISC.
FEATURES PROVIDEDBONNET PACKING
MATERIAL DOCUMENT AND CLASSIFICATIONAST B62 ALLOY 836 ASSN STD SINGLE MATERIAL RESPONSE BODY
CONNECTION STYLEPLAIN,OPTIONAL END(PIPE) ALL ENDS
VALVE OPERATION METHODMANUAL
BONNET ATTACHMENT METHODUNION
END ITEM IDENTIFICATIONGRUMMAN; A10 AIRCRAFT
CONNECTION TYPETHREADED INTERNAL PIPE ALL ENDS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 28
954326Interchangeable
interchangeable cross-reference
interchangeable
4253361Interchangeable
interchangeable cross-reference
interchangeable
2232FXInterchangeable
interchangeable cross-reference
interchangeable
770Interchangeable
interchangeable cross-reference
interchangeable
89Interchangeable
interchangeable cross-reference
interchangeable
FIGN07Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1B433 3/4 IN?
1B433 3/4 IN is a 1B433 3/4 IN.
What parts can replace 1B433 3/4 IN?
There are 28 known substitutes for 1B433 3/4 IN: 954326, 4253361, 2232FX and 25 more. Substitute compatibility should be verified for your specific system.
Is 1B433 3/4 IN still available?
1B433 3/4 IN is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026