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0N2430279 — BUMPER

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

0N2430279: BUMPER.

The BUMPER is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC, hole_diameter: 0.090 INCHES NOMINAL IN, overall_height: 0.380 INCHES NOMINAL IN, special_features: 0.115 IN. MIN,0.171 IN.

MAX ID STEEL REINFORCING WASHER IN, style_designator: DONUT TOP COUNTERBORED, first_counterbore_depth: 0.190 INCHES NOMINAL IN. This part is cataloged in the U.S. Government catalog under NSN 5340-01-125-9236, 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
0N2430279
NSN: 5340-01-125-9236
FSC: 5340 — Hardware, Commercial
CAGE: 98230 — NATIONAL SECURITY AGENCY (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC
hole_diameter0.090 INCHES NOMINAL IN
overall_height0.380 INCHES NOMINAL IN
special_features0.115 IN. MIN,0.171 IN. MAX ID STEEL REINFORCING WASHER IN
style_designatorDONUT TOP COUNTERBORED
first_counterbore_depth0.190 INCHES NOMINAL IN
material_hardness_rating55.0 SHORE DUROMETER A MINIMUM AND 65.0 SHORE DUROMETER A MAXIMUM
first_counterbore_diameter0.250 INCHES NOMINAL IN
outside/top_flange_diameter0.620 INCHES NOMINAL IN
NSN5340-01-125-9236
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 0N2430279 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
•
OUTSIDE/TOP FLANGE DIAMETER: 0.620 INCHES NOMINAL IN
•
MATERIAL HARDNESS RATING: 55.0 SHORE DUROMETER A MINIMUM AND 65.0 SHORE DUROMETER A MAXIMUM
•
FIRST COUNTERBORE DIAMETER: 0.250 INCHES NOMINAL IN
•
STYLE DESIGNATOR: DONUT TOP COUNTERBORED
•
FIRST COUNTERBORE DEPTH: 0.190 INCHES NOMINAL IN
•
COLOR: BLACK
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.380 INCHES NOMINAL IN
OUTSIDE/TOP FLANGE DIAMETER0.620 INCHES NOMINAL IN
MATERIAL HARDNESS RATING55.0 SHORE DUROMETER A MINIMUM AND 65.0 SHORE DUROMETER A MAXIMUM
FIRST COUNTERBORE DIAMETER0.250 INCHES NOMINAL IN
STYLE DESIGNATORDONUT TOP COUNTERBORED
FIRST COUNTERBORE DEPTH0.190 INCHES NOMINAL IN
COLORBLACK
SPECIAL FEATURES0.115 IN. MIN,0.171 IN. MAX ID STEEL REINFORCING WASHER IN
MATERIALRUBBER SYNTHETIC
HOLE DIAMETER0.090 INCHES NOMINAL IN
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 0N2430279?
0N2430279 is a BUMPER.
What is the NSN for 0N2430279?
0N2430279 is cataloged in the U.S. Government catalog under NSN 5340-01-125-9236. 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.