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Technical Data Sheet
PartsTable / COMPONENT / 11753/11781
11753/11781 ✓ 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 11753/11781 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 4820-00-590-9097, 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
11753/11781
NSN: 4820-00-590-9097
FSC: 4820
CAGE: 95368 — AERCO INTERNATIONAL, INC. DBA AERCO INTERNATIONAL INC (USA)
SPECIFICATIONS
Part Number11753/11781
NSN4820-00-590-9097
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 11753/11781 · 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
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: BRASS;OD 2.750 IN.,FOUR BOLT HOLES 0.201 IN. DIA EQUALLY SPCED ON 2.000 IN. BOLT CIRCLE;CENTER HOLE 0.380 DIA,1.620 DEEP,0.250-18 NPT;LARGEST ID 1.045 IN. DIA IN
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONAERCO MODEL EXBRZ 3/8
GENERAL CHARACTERISTICS ITEM DESCRIPTIONBRASS;OD 2.750 IN.,FOUR BOLT HOLES 0.201 IN. DIA EQUALLY SPCED ON 2.000 IN. BOLT CIRCLE;CENTER HOLE 0.380 DIA,1.620 DEEP,0.250-18 NPT;LARGEST ID 1.045 IN. DIA IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
08331Interchangeable
interchangeable cross-reference
interchangeable
GGG-T-70 TY2SEASTBInterchangeable
interchangeable cross-reference
interchangeable
B94.9 1/4-20 UNC HS G H2Interchangeable
interchangeable cross-reference
interchangeable
22799/542KK2Interchangeable
interchangeable cross-reference
interchangeable
51-03743Interchangeable
interchangeable cross-reference
interchangeable
ST5M1212-001Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 11753/11781?
11753/11781 is a 11753/11781.
What parts can replace 11753/11781?
There are 12 known substitutes for 11753/11781: 08331, GGG-T-70 TY2SEASTB, B94.9 1/4-20 UNC HS G H2 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 11753/11781?
11753/11781 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-590-9097. 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