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PartsTable / COMPONENT / A33TT3-4
A33TT3-4 ✓ 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

FILTER,RADIO FREQUENCY INTERFERE. Key specifications include body_width: 1.750 INCHES NOMINAL IN, body_height: 1.000 INCHES NOMINAL IN, body_length: 1.630 INCHES NOMINAL IN, body_material: METAL, inclosure_type: HERMETICALLY SEALED, overall_length: 2.990 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-145-6680, 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
A33TT3-4
NSN: 4820-01-145-6680
FSC: 4820
CAGE: 53154 — PORTLAND VALVE LLC (USA)
SPECIFICATIONS
body_width1.750 INCHES NOMINAL IN
body_height1.000 INCHES NOMINAL IN
body_length1.630 INCHES NOMINAL IN
body_materialMETAL
inclosure_typeHERMETICALLY SEALED
overall_length2.990 INCHES NOMINAL IN
style_designatorRECTANGULAR TERMINAL/TERMINALS ON OPPOSITE SURFACES
features_providedMOISTURE RESISTANT AND NUT
maximum_temp_rise60.0 CELSIUS DEGC
nominal_thread_size0.164 INCHES IN
operating_temp_range-46.0 TO 71.0 CELSIUS DEGC
body_surface_treatmentTIN
NSN4820-01-145-6680
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: A33TT3-4 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 26
V12TF1AInterchangeable
interchangeable cross-reference
interchangeable
BA-300Interchangeable
interchangeable cross-reference
interchangeable
3/4-VBA2-A9Interchangeable
interchangeable cross-reference
interchangeable
76104Interchangeable
interchangeable cross-reference
interchangeable
791880-0001Interchangeable
interchangeable cross-reference
interchangeable
791880-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A33TT3-4?
A33TT3-4 is a FILTER,RADIO FREQUENCY INTERFERE.
What parts can replace A33TT3-4?
There are 26 known substitutes for A33TT3-4: V12TF1A, BA-300, 3/4-VBA2-A9 and 23 more. Substitute compatibility should be verified for your specific system.
Is A33TT3-4 still available?
A33TT3-4 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