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PartsTable / COMPONENT / A133-1 1/4
A133-1 1/4 ✓ 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

The A133-1 1/4 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 4820-01-364-8647, 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
A133-1 1/4
NSN: 4820-01-364-8647
FSC: 4820
CAGE: 00062 — MARINE ELECTRIC SYSTEMS INC (USA)
SPECIFICATIONS
Part NumberA133-1 1/4
NSN4820-01-364-8647
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: A133-1 1/4 · 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
KEY FEATURES
•
VALVE OPERATION METHOD: MANUAL
•
MATERIAL: BRONZE BODY
TECHNICAL CHARACTERISTICS (FLIS)
VALVE OPERATION METHODMANUAL
SPECIAL FEATURESVALVE SIZE 1.250IN IN
MATERIALBRONZE BODY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
104434Interchangeable
interchangeable cross-reference
interchangeable
S104435Interchangeable
interchangeable cross-reference
interchangeable
10-443-4M4NInterchangeable
interchangeable cross-reference
interchangeable
10-443-4M4Interchangeable
interchangeable cross-reference
interchangeable
50047-9Interchangeable
interchangeable cross-reference
interchangeable
CM 10082216Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A133-1 1/4?
A133-1 1/4 is a A133-1 1/4.
What parts can replace A133-1 1/4?
There are 7 known substitutes for A133-1 1/4: 104434, S104435, 10-443-4M4N and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A133-1 1/4?
A133-1 1/4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-364-8647. 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