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510261-0001 — DIAPHRAGM,VALVE,FLAT

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

510261-0001: DIAPHRAGM,VALVE,FLAT.

The DIAPHRAGM,VALVE,FLAT is a the manufacturer industrial component. Key specifications include material: RUBBER, hole_diameter: 4.844 INCHES NOMINAL IN, outside_diameter: 5.250 INCHES NOMINAL IN, style_designator: FLAT, material_thickness: 0.050 INCHES NOMINAL IN, center_hole_diameter: 4.844 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-368-0169, 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
510261-0001
NSN: 4820-01-368-0169
FSC: 4820 — Valves, Nonpowered
CAGE: 05105 — BADGER METER INC (USA)
SPECIFICATIONS
materialRUBBER
hole_diameter4.844 INCHES NOMINAL IN
outside_diameter5.250 INCHES NOMINAL IN
style_designatorFLAT
bolt_hole_quantity6
material_thickness0.050 INCHES NOMINAL IN
center_hole_diameter4.844 INCHES NOMINAL IN
media_for_which_designedWATER
NSN4820-01-368-0169
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 510261-0001 · 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: 5.250 INCHES NOMINAL IN
•
STYLE DESIGNATOR: FLAT
•
MATERIAL THICKNESS: 0.050 INCHES NOMINAL IN
•
BOLT HOLE QUANTITY: 6
•
CENTER HOLE DIAMETER: 4.844 INCHES NOMINAL IN
•
MEDIA FOR WHICH DESIGNED: WATER
•
MATERIAL: RUBBER
•
HOLE DIAMETER: 4.844 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OUTSIDE DIAMETER5.250 INCHES NOMINAL IN
STYLE DESIGNATORFLAT
MATERIAL THICKNESS0.050 INCHES NOMINAL IN
BOLT HOLE QUANTITY6
CENTER HOLE DIAMETER4.844 INCHES NOMINAL IN
MEDIA FOR WHICH DESIGNEDWATER
MATERIALRUBBER
HOLE DIAMETER4.844 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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 510261-0001?
510261-0001 is a DIAPHRAGM,VALVE,FLAT.
What is the NSN for 510261-0001?
510261-0001 is cataloged in the U.S. Government catalog under NSN 4820-01-368-0169. 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.