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A2650 — A2650

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

A2650: A2650.

The A2650 is a the manufacturer industrial component. Key specifications include cushion: NOT INCLUDED, material: COPPER LOCATION NOT OTHERWISE SPECIFIED, mounting_pad: NOT INCLUDED, overall_width: 0.560 INCHES NOMINAL IN, overall_length: 3.042 INCHES NOMINAL IN, style_designator: CURVED ARCH. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-677-7842, 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
A2650
NSN: 5340-00-677-7842
NIINs: 006777842, 011509239
FSC: 5340 — Hardware, Commercial
CAGE: 41947 — MUELLER BRASS CO. (USA)
SPECIFICATIONS
cushionNOT INCLUDED
materialCOPPER LOCATION NOT OTHERWISE SPECIFIED
mounting_padNOT INCLUDED
overall_width0.560 INCHES NOMINAL IN
overall_length3.042 INCHES NOMINAL IN
style_designatorCURVED ARCH
material_thickness0.045 INCHES NOMINAL IN
mounting_hole_size0.220 INCHES NOMINAL IN
inside_diameter/arch_length1.375 INCHES NOMINAL IN
distance_between_mounting_hole_centers2.482 INCHES NOMINAL IN
distance_between_base_and_inside_of_arch1.330 INCHES NOMINAL IN
NSN5340-00-677-7842
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: A2650 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
MOUNTING HOLE SIZE: 0.220 INCHES NOMINAL IN
•
DISTANCE BETWEEN MOUNTING HOLE CENTERS: 2.482 INCHES NOMINAL IN
•
MOUNTING PAD: NOT INCLUDED
•
STYLE DESIGNATOR: CURVED ARCH
•
MATERIAL THICKNESS: 0.045 INCHES NOMINAL IN
•
CUSHION: NOT INCLUDED
TECHNICAL CHARACTERISTICS
MOUNTING HOLE SIZE0.220 INCHES NOMINAL IN
DISTANCE BETWEEN MOUNTING HOLE CENTERS2.482 INCHES NOMINAL IN
MOUNTING PADNOT INCLUDED
STYLE DESIGNATORCURVED ARCH
OVERALL LENGTH3.042 INCHES NOMINAL IN
OVERALL WIDTH0.560 INCHES NOMINAL IN
MATERIAL THICKNESS0.045 INCHES NOMINAL IN
CUSHIONNOT INCLUDED
DISTANCE BETWEEN BASE AND INSIDE OF ARCH1.330 INCHES NOMINAL IN
MATERIALCOPPER LOCATION NOT OTHERWISE SPECIFIED
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 A2650?
A2650 is a A2650.
What is the NSN for A2650?
A2650 is cataloged in the U.S. Government catalog under NSN 5340-00-677-7842. 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.