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PartsTable / COMPONENT / A415-18037
A415-18037 ✓ 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 DIAPHRAGM,VALVE,FLAT is a the manufacturer industrial component. Key specifications include color: WHITE SINGLE SIDE OVERALL, width: 4.000 INCHES NOMINAL IN, length: 8.000 INCHES NOMINAL IN, material: COTTON, usage_form: ROLL, body_diameter: 0.727 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-708-8405, 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
A415-18037
NSN: 4820-01-708-8405
FSC: 4820
CAGE: 28953 — RIX INDUSTRIES (USA)
SPECIFICATIONS
colorWHITE SINGLE SIDE OVERALL
width4.000 INCHES NOMINAL IN
length8.000 INCHES NOMINAL IN
materialCOTTON
usage_formROLL
body_diameter0.727 INCHES NOMINAL IN
hole_diameter0.344 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
overall_width9.375 INCHES NOMINAL IN
aperture_width7.813 INCHES NOMINAL IN
overall_length10.375 INCHES NOMINAL IN
aperture_length9.188 INCHES NOMINAL IN
special_featuresUSP TYPE VII COTTON SPONGES; GAUZE; 8 X 4 IN; 12 PLY; STERILE; PACKAGE OF 1000 IN
NSN4820-01-708-8405
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: A415-18037 · 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 13
18434Interchangeable
interchangeable cross-reference
interchangeable
922562-7DInterchangeable
interchangeable cross-reference
interchangeable
R18434Interchangeable
interchangeable cross-reference
interchangeable
SM18434Interchangeable
interchangeable cross-reference
interchangeable
7032629Interchangeable
interchangeable cross-reference
interchangeable
N1843467Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A415-18037?
A415-18037 is a DIAPHRAGM,VALVE,FLAT.
What parts can replace A415-18037?
There are 13 known substitutes for A415-18037: 18434, 922562-7D, R18434 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A415-18037?
A415-18037 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-708-8405. 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