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A712220B — DIAPHRAGM,VALVE,FLAT

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

A712220B: DIAPHRAGM,VALVE,FLAT.

The DIAPHRAGM,VALVE,FLAT is a the manufacturer industrial component. Key specifications include material: RUBBER, hole_diameter: 0.366 INCHES NOMINAL IN, outside_diameter: 13.000 INCHES NOMINAL IN, style_designator: FLAT, bolt_hole_quantity: 16, material_thickness: 0.100 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-073-9879, 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
A712220B
NSN: 4820-00-073-9879
FSC: 4820 — Valves, Nonpowered
CAGE: 0Z007 — INDUSTRIAL SERVICE AND SUPPLY, INC (USA)
SPECIFICATIONS
materialRUBBER
hole_diameter0.366 INCHES NOMINAL IN
outside_diameter13.000 INCHES NOMINAL IN
style_designatorFLAT
bolt_hole_quantity16
material_thickness0.100 INCHES NOMINAL IN
bolt_circle_diameter11.820 INCHES NOMINAL IN
center_hole_diameter0.878 INCHES NOMINAL IN
NSN4820-00-073-9879
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: A712220B · 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
•
OUTSIDE DIAMETER: 13.000 INCHES NOMINAL IN
•
STYLE DESIGNATOR: FLAT
•
MATERIAL THICKNESS: 0.100 INCHES NOMINAL IN
•
BOLT HOLE QUANTITY: 16
•
BOLT CIRCLE DIAMETER: 11.820 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 0.878 INCHES NOMINAL IN
•
MATERIAL: RUBBER
•
HOLE DIAMETER: 0.366 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OUTSIDE DIAMETER13.000 INCHES NOMINAL IN
STYLE DESIGNATORFLAT
MATERIAL THICKNESS0.100 INCHES NOMINAL IN
BOLT HOLE QUANTITY16
BOLT CIRCLE DIAMETER11.820 INCHES NOMINAL IN
CENTER HOLE DIAMETER0.878 INCHES NOMINAL IN
MATERIALRUBBER
HOLE DIAMETER0.366 INCHES NOMINAL IN
OTHER ITEMS IN FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097 4820-00-001-0010 4820-00-001-0020 4820-00-001-0021 4820-00-001-0032 4820-00-001-0037 4820-00-001-0042 4820-00-001-1230
SUBSTITUTES & CROSS-REFERENCES 1
712220A2Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is A712220B?
A712220B is a DIAPHRAGM,VALVE,FLAT.
What parts can replace A712220B?
There is 1 known substitute for A712220B: 712220A2. Substitute compatibility should be verified for your specific system.
What is the NSN for A712220B?
A712220B is cataloged in the U.S. Government catalog under NSN 4820-00-073-9879. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.