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5260-2051 — BUMPER

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

5260-2051: BUMPER.

The BUMPER is a the manufacturer industrial component. Key specifications include material: RUBBER CHLOROPRENE CLASS CR, overall_height: 0.344 INCHES NOMINAL IN, groove_diameter: 0.484 INCHES MINIMUM AND 0.516 INCHES MAXIMUM IN, style_designator: DOUBLE FLANGE, top_flange_width: 0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN, bottom_flange_width: 0.094 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-236-6610, 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
5260-2051
NSN: 5340-00-236-6610
FSC: 5340 — Hardware, Commercial
CAGE: 62015 — IET LABS INC (USA)
SPECIFICATIONS
materialRUBBER CHLOROPRENE CLASS CR
overall_height0.344 INCHES NOMINAL IN
groove_diameter0.484 INCHES MINIMUM AND 0.516 INCHES MAXIMUM IN
style_designatorDOUBLE FLANGE
top_flange_width0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN
bottom_flange_width0.094 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
bottom_flange_diameter0.609 INCHES MINIMUM AND 0.641 INCHES MAXIMUM IN
material_hardness_rating55.0 DUROMETER MINIMUM AND 65.0 DUROMETER MAXIMUM
outside/top_flange_diameter0.609 INCHES MINIMUM AND 0.641 INCHES MAXIMUM IN
NSN5340-00-236-6610
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 5260-2051 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
•
BOTTOM FLANGE DIAMETER: 0.609 INCHES MINIMUM AND 0.641 INCHES MAXIMUM IN
•
OUTSIDE/TOP FLANGE DIAMETER: 0.609 INCHES MINIMUM AND 0.641 INCHES MAXIMUM IN
•
MATERIAL HARDNESS RATING: 55.0 DUROMETER MINIMUM AND 65.0 DUROMETER MAXIMUM
•
GROOVE DIAMETER: 0.484 INCHES MINIMUM AND 0.516 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: DOUBLE FLANGE
•
BOTTOM FLANGE WIDTH: 0.094 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
•
COLOR: BLACK
TECHNICAL CHARACTERISTICS
BOTTOM FLANGE DIAMETER0.609 INCHES MINIMUM AND 0.641 INCHES MAXIMUM IN
OVERALL HEIGHT0.344 INCHES NOMINAL IN
OUTSIDE/TOP FLANGE DIAMETER0.609 INCHES MINIMUM AND 0.641 INCHES MAXIMUM IN
MATERIAL HARDNESS RATING55.0 DUROMETER MINIMUM AND 65.0 DUROMETER MAXIMUM
GROOVE DIAMETER0.484 INCHES MINIMUM AND 0.516 INCHES MAXIMUM IN
STYLE DESIGNATORDOUBLE FLANGE
BOTTOM FLANGE WIDTH0.094 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
COLORBLACK
TOP FLANGE WIDTH0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN
MATERIALRUBBER CHLOROPRENE CLASS CR
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
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 5260-2051?
5260-2051 is a BUMPER.
What is the NSN for 5260-2051?
5260-2051 is cataloged in the U.S. Government catalog under NSN 5340-00-236-6610. 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.