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MAR-613 — BUMPER

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

MAR-613: BUMPER.

The BUMPER is a the manufacturer industrial component. Key specifications include material: RUBBER, hole_diameter: 0.375 INCHES NOMINAL IN, overall_height: 1.000 INCHES NOMINAL IN, style_designator: FLAT TOP COUNTERBORED, end_item_identification: GINA ISIL, first_counterbore_depth: 0.500 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-512-5636, 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
MAR-613
NSN: 5340-01-512-5636
FSC: 5340 — Hardware, Commercial
CAGE: 1N879 — MID-COAST INDUSTRIES, INC DIV MID-ATLANTIC RUBBER COMPANY (USA)
SPECIFICATIONS
materialRUBBER
hole_diameter0.375 INCHES NOMINAL IN
overall_height1.000 INCHES NOMINAL IN
style_designatorFLAT TOP COUNTERBORED
end_item_identificationGINA ISIL
first_counterbore_depth0.500 INCHES NOMINAL IN
first_counterbore_diameter1.125 INCHES NOMINAL IN
outside/top_flange_diameter2.500 INCHES NOMINAL IN
NSN5340-01-512-5636
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MAR-613 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: 2.500 INCHES NOMINAL IN
•
FIRST COUNTERBORE DIAMETER: 1.125 INCHES NOMINAL IN
•
STYLE DESIGNATOR: FLAT TOP COUNTERBORED
•
FIRST COUNTERBORE DEPTH: 0.500 INCHES NOMINAL IN
•
MATERIAL: RUBBER
•
HOLE DIAMETER: 0.375 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT1.000 INCHES NOMINAL IN
OUTSIDE/TOP FLANGE DIAMETER2.500 INCHES NOMINAL IN
FIRST COUNTERBORE DIAMETER1.125 INCHES NOMINAL IN
STYLE DESIGNATORFLAT TOP COUNTERBORED
FIRST COUNTERBORE DEPTH0.500 INCHES NOMINAL IN
END ITEM IDENTIFICATIONGINA ISIL
MATERIALRUBBER
HOLE DIAMETER0.375 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 1
PHST11374Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 MAR-613?
MAR-613 is a BUMPER.
What parts can replace MAR-613?
There is 1 known substitute for MAR-613: PHST11374. Substitute compatibility should be verified for your specific system.
What is the NSN for MAR-613?
MAR-613 is cataloged in the U.S. Government catalog under NSN 5340-01-512-5636. This indicates validated use in U.S. government and defense supply chains.
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