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A026J274 — PLUG,LEAKPROOF SEAL

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

A026J274: PLUG,LEAKPROOF SEAL.

The PLUG,LEAKPROOF SEAL is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC, overall_width: 4.5 MILLIMETERS NOMINAL MM, overall_length: 5.8 MILLIMETERS NOMINAL MM, end_item_identification: 6115-01-561-7392, part_name_assigned_by_controlling_agency: SEAL. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-589-1081, 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
A026J274
NSN: 5340-01-589-1081
FSC: 5340 — Hardware, Commercial
CAGE: 44940 — CUMMINS POWER GENERATION INC. (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC
overall_width4.5 MILLIMETERS NOMINAL MM
overall_length5.8 MILLIMETERS NOMINAL MM
end_item_identification6115-01-561-7392
part_name_assigned_by_controlling_agencySEAL
NSN5340-01-589-1081
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: A026J274 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
•
MATERIAL: RUBBER SYNTHETIC
TECHNICAL CHARACTERISTICS
OVERALL LENGTH5.8 MILLIMETERS NOMINAL MM
OVERALL WIDTH4.5 MILLIMETERS NOMINAL MM
PART NAME ASSIGNED BY CONTROLLING AGENCYSEAL
END ITEM IDENTIFICATION6115-01-561-7392
MATERIALRUBBER SYNTHETIC
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 2
15366021Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
04-20468Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is A026J274?
A026J274 is a PLUG,LEAKPROOF SEAL.
What parts can replace A026J274?
There are 2 known substitutes for A026J274: 15366021, 04-20468. Substitute compatibility should be verified for your specific system.
What is the NSN for A026J274?
A026J274 is cataloged in the U.S. Government catalog under NSN 5340-01-589-1081. 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.