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ZB-3078 — BUMPER

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

ZB-3078: BUMPER.

The BUMPER is a the manufacturer industrial component. Key specifications include material: RUBBER, overall_height: 0.562 INCHES NOMINAL IN, groove_diameter: 0.203 INCHES NOMINAL IN, style_designator: DOUBLE FLANGE, top_flange_width: 0.312 INCHES NOMINAL IN, bottom_flange_width: 0.188 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-314-5223, 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
ZB-3078
NSN: 5340-01-314-5223
FSC: 5340 — Hardware, Commercial
CAGE: 76385 — MINOR RUBBER CO INC (USA)
SPECIFICATIONS
materialRUBBER
overall_height0.562 INCHES NOMINAL IN
groove_diameter0.203 INCHES NOMINAL IN
style_designatorDOUBLE FLANGE
top_flange_width0.312 INCHES NOMINAL IN
bottom_flange_width0.188 INCHES NOMINAL IN
bottom_flange_diameter0.250 INCHES NOMINAL IN
outside/top_flange_diameter0.500 INCHES NOMINAL IN
NSN5340-01-314-5223
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: ZB-3078 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: 0.250 INCHES NOMINAL IN
•
OUTSIDE/TOP FLANGE DIAMETER: 0.500 INCHES NOMINAL IN
•
GROOVE DIAMETER: 0.203 INCHES NOMINAL IN
•
STYLE DESIGNATOR: DOUBLE FLANGE
•
BOTTOM FLANGE WIDTH: 0.188 INCHES NOMINAL IN
•
TOP FLANGE WIDTH: 0.312 INCHES NOMINAL IN
•
MATERIAL: RUBBER
TECHNICAL CHARACTERISTICS
BOTTOM FLANGE DIAMETER0.250 INCHES NOMINAL IN
OVERALL HEIGHT0.562 INCHES NOMINAL IN
OUTSIDE/TOP FLANGE DIAMETER0.500 INCHES NOMINAL IN
GROOVE DIAMETER0.203 INCHES NOMINAL IN
STYLE DESIGNATORDOUBLE FLANGE
BOTTOM FLANGE WIDTH0.188 INCHES NOMINAL IN
TOP FLANGE WIDTH0.312 INCHES NOMINAL IN
MATERIALRUBBER
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: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is ZB-3078?
ZB-3078 is a BUMPER.
What is the NSN for ZB-3078?
ZB-3078 is cataloged in the U.S. Government catalog under NSN 5340-01-314-5223. 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.