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PartsTable / COMPONENT / 40506-9 ITEM 7
40506-9 ITEM 7 ✓ 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 material: RUBBER, temp_rating: 250.0 FAHRENHEIT NOMINAL DEGF, hole_diameter: 0.312 INCHES NOMINAL IN, pressure_rating: 150.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS, outside_diameter: 5.000 INCHES NOMINAL IN, special_features: VALVE SIZE 0.250IN; STYL H 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 4820-01-376-2749, 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
40506-9 ITEM 7
NSN: 4820-01-376-2749
FSC: 4820
CAGE: 55378 — TRAC REGULATOR CO., INC. DBA TRAC REGULATOR CO INC (USA)
SPECIFICATIONS
materialRUBBER
temp_rating250.0 FAHRENHEIT NOMINAL DEGF
hole_diameter0.312 INCHES NOMINAL IN
pressure_rating150.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
outside_diameter5.000 INCHES NOMINAL IN
special_featuresVALVE SIZE 0.250IN; STYL H IN
style_designatorFLAT
bolt_hole_quantity8
material_thickness0.125 INCHES NOMINAL IN
bolt_circle_diameter4.312 INCHES NOMINAL IN
center_hole_diameter0.250 INCHES NOMINAL IN
media_for_which_designedWATER, SALT
NSN4820-01-376-2749
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 40506-9 ITEM 7 · 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
•
CENTER HOLE DIAMETER: 0.250 INCHES NOMINAL IN
•
BOLT HOLE QUANTITY: 8
•
MATERIAL: RUBBER
•
BOLT CIRCLE DIAMETER: 4.312 INCHES NOMINAL IN
•
MEDIA FOR WHICH DESIGNED: WATER, SALT
•
OUTSIDE DIAMETER: 5.000 INCHES NOMINAL IN
•
TEMP RATING: 250.0 FAHRENHEIT NOMINAL DEGF
TECHNICAL CHARACTERISTICS (FLIS)
CENTER HOLE DIAMETER0.250 INCHES NOMINAL IN
BOLT HOLE QUANTITY8
SPECIAL FEATURESVALVE SIZE 0.250IN; STYL H IN
MATERIALRUBBER
BOLT CIRCLE DIAMETER4.312 INCHES NOMINAL IN
MEDIA FOR WHICH DESIGNEDWATER, SALT
OUTSIDE DIAMETER5.000 INCHES NOMINAL IN
TEMP RATING250.0 FAHRENHEIT NOMINAL DEGF
HOLE DIAMETER0.312 INCHES NOMINAL IN
MATERIAL THICKNESS0.125 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
742Interchangeable
interchangeable cross-reference
interchangeable
BRTG2Interchangeable
interchangeable cross-reference
interchangeable
64AX38Interchangeable
interchangeable cross-reference
interchangeable
TRCB221CInterchangeable
interchangeable cross-reference
interchangeable
RC20-220HMSP0RM5PCTInterchangeable
interchangeable cross-reference
interchangeable
4171306-604Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 40506-9 ITEM 7?
40506-9 ITEM 7 is a DIAPHRAGM,VALVE,FLAT.
What parts can replace 40506-9 ITEM 7?
There are 21 known substitutes for 40506-9 ITEM 7: 742, BRTG2, 64AX38 and 18 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 40506-9 ITEM 7?
40506-9 ITEM 7 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-376-2749. 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