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6555279 — DIAPHRAGM,VALVE,FLAT

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

6555279: DIAPHRAGM,VALVE,FLAT.

The DIAPHRAGM,VALVE,FLAT is a the manufacturer industrial component. Key specifications include outside_diameter: 4.187 INCHES NOMINAL IN, style_designator: FLAT, material_thickness: 0.016 INCHES NOMINAL IN, media_for_which_designed: AIR. This part is cataloged in the U.S.

Government catalog under NSN 4810-01-164-3267, 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
6555279
NSN: 4810-01-164-3267
FSC: 4810 — Valves, Powered
CAGE: 7X677 — GENERAL MOTORS LLC DBA GENERAL MOTORS LLC (USA)
SPECIFICATIONS
outside_diameter4.187 INCHES NOMINAL IN
style_designatorFLAT
material_thickness0.016 INCHES NOMINAL IN
media_for_which_designedAIR
NSN4810-01-164-3267
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 6555279 · 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: 4.187 INCHES NOMINAL IN
•
STYLE DESIGNATOR: FLAT
•
MATERIAL THICKNESS: 0.016 INCHES NOMINAL IN
•
MEDIA FOR WHICH DESIGNED: AIR
TECHNICAL CHARACTERISTICS
OUTSIDE DIAMETER4.187 INCHES NOMINAL IN
STYLE DESIGNATORFLAT
MATERIAL THICKNESS0.016 INCHES NOMINAL IN
MEDIA FOR WHICH DESIGNEDAIR
OTHER ITEMS IN FSC 4810 — Valves, Powered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4810-00-001-1247 4810-00-001-4499 4810-00-001-4531 4810-00-001-4532 4810-00-001-4554 4810-00-001-4555 4810-00-001-4556 4810-00-001-4611
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 6555279?
6555279 is a DIAPHRAGM,VALVE,FLAT.
What is the NSN for 6555279?
6555279 is cataloged in the U.S. Government catalog under NSN 4810-01-164-3267. 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.