PartsTable
Technical Data Sheet
A-818-12530-10 ✓ 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 ARM,POSITION INDICATOR is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY, overall_width: 0.620 INCHES NOMINAL IN, overall_diameter: 3.250 INCHES NOMINAL IN, special_features: TUBE SIZE 3 1/4 X 2 USED ON REMOTE OPERATOR 12101, ELLIOTT MFG CO., end_item_identification: WEAPONS SYSTEM NIMTZ CLASS CVN, thread_size_and_series/type_designator: 2-1/8-2 UNS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4810-01-437-4772, 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
A-818-12530-10
NSN: 4810-01-437-4772
FSC: 4810
CAGE: 72166 — B.W. ELLIOTT MANUFACTURING CO., LLC (USA)
SPECIFICATIONS
materialCOPPER ALLOY
overall_width0.620 INCHES NOMINAL IN
overall_diameter3.250 INCHES NOMINAL IN
special_featuresTUBE SIZE 3 1/4 X 2 USED ON REMOTE OPERATOR 12101, ELLIOTT MFG CO.
end_item_identificationWEAPONS SYSTEM NIMTZ CLASS CVN
thread_size_and_series/type_designator2-1/8-2 UNS
general_characteristics_item_descriptionBORE LEFT HAND THDS WITH MINOR DIA 2.071-2.082 IN., PROTRUSION 0.750 IN.WD, 0.620 IN. THK, 0.405 IN. LG, DISTANCE FROM CENTER BORE TO BOTTON OF PROTRUSION 1.220 IN. IN
NSN4810-01-437-4772
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: A-818-12530-10 · 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
OVERALL DIAMETER: 3.250 INCHES NOMINAL IN
MATERIAL: COPPER ALLOY
THREAD SIZE AND SERIES/TYPE DESIGNATOR: 2-1/8-2 UNS
GENERAL CHARACTERISTICS ITEM DESCRIPTION: BORE LEFT HAND THDS WITH MINOR DIA 2.071-2.082 IN., PROTRUSION 0.750 IN.WD, 0.620 IN. THK, 0.405 IN. LG, DISTANCE FROM CENTER BORE TO BOTTON OF PROTRUSION 1.220 IN. IN
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONWEAPONS SYSTEM NIMTZ CLASS CVN
OVERALL DIAMETER3.250 INCHES NOMINAL IN
MATERIALCOPPER ALLOY
OVERALL WIDTH0.620 INCHES NOMINAL IN
THREAD SIZE AND SERIES/TYPE DESIGNATOR2-1/8-2 UNS
SPECIAL FEATURESTUBE SIZE 3 1/4 X 2 USED ON REMOTE OPERATOR 12101, ELLIOTT MFG CO.
GENERAL CHARACTERISTICS ITEM DESCRIPTIONBORE LEFT HAND THDS WITH MINOR DIA 2.071-2.082 IN., PROTRUSION 0.750 IN.WD, 0.620 IN. THK, 0.405 IN. LG, DISTANCE FROM CENTER BORE TO BOTTON OF PROTRUSION 1.220 IN. IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
SA-1734/UInterchangeable
interchangeable cross-reference
interchangeable
145518-1Interchangeable
interchangeable cross-reference
interchangeable
12530Interchangeable
interchangeable cross-reference
interchangeable
21015Interchangeable
interchangeable cross-reference
interchangeable
668959Interchangeable
interchangeable cross-reference
interchangeable
5906Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A-818-12530-10?
A-818-12530-10 is a ARM,POSITION INDICATOR.
What parts can replace A-818-12530-10?
There are 21 known substitutes for A-818-12530-10: SA-1734/U, 145518-1, 12530 and 18 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A-818-12530-10?
A-818-12530-10 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4810-01-437-4772. This indicates validated use in U.S. government and defense supply chains.
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