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TA1233 ✓ 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 COVER,DIAPHRAGM is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-360-4916, 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
TA1233
NSN: 4820-00-360-4916
FSC: 4820
CAGE: 43491 — GENERAL SIGNAL CORP (USA)
SPECIFICATIONS
Part NumberTA1233
NSN4820-00-360-4916
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: TA1233 · 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
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GENERAL CHARACTERISTICS ITEM DESCRIPTION: BRASS,3.718 IN. LG,3.188 IN.W,0.375 IN. THK,1.312 IN. H,W/4 MTG HOLES,0.406 IN. DIA,W/THD EXTERNAL FLUID CONNECTION END,1.125-16 UN,CLASS 2A,RH THDS,THREE DRILLED HOLES 0.312 DIA,AT THE BASE OF END CONNECTION A
TECHNICAL CHARACTERISTICS (FLIS)
GENERAL CHARACTERISTICS ITEM DESCRIPTIONBRASS,3.718 IN. LG,3.188 IN.W,0.375 IN. THK,1.312 IN. H,W/4 MTG HOLES,0.406 IN. DIA,W/THD EXTERNAL FLUID CONNECTION END,1.125-16 UN,CLASS 2A,RH THDS,THREE DRILLED HOLES 0.312 DIA,AT THE BASE OF END CONNECTION A
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
117999Interchangeable
interchangeable cross-reference
interchangeable
9395Interchangeable
interchangeable cross-reference
interchangeable
1B8729Interchangeable
interchangeable cross-reference
interchangeable
96750Interchangeable
interchangeable cross-reference
interchangeable
TA1233Interchangeable
interchangeable cross-reference
interchangeable
433-1959Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is TA1233?
TA1233 is a COVER,DIAPHRAGM.
What parts can replace TA1233?
There are 7 known substitutes for TA1233: 117999, 9395, 1B8729 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for TA1233?
TA1233 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-360-4916. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026