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581-6985420-34 — PLUG,LEAKPROOF SEAL

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

581-6985420-34: PLUG,LEAKPROOF SEAL.

The PLUG,LEAKPROOF SEAL is a the manufacturer industrial component. Key specifications include material: NICKEL AND COPPER, overall_height: 0.030 INCHES NOMINAL IN, overall_diameter: 0.500 INCHES NOMINAL IN, end_item_identification: HYDROLIC CYLINDER, part_name_assigned_by_controlling_agency: PLUG. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-496-9779, 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
581-6985420-34
NSN: 5340-01-496-9779
FSC: 5340 — Hardware, Commercial
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialNICKEL AND COPPER
overall_height0.030 INCHES NOMINAL IN
overall_diameter0.500 INCHES NOMINAL IN
end_item_identificationHYDROLIC CYLINDER
part_name_assigned_by_controlling_agencyPLUG
NSN5340-01-496-9779
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 581-6985420-34 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
•
OVERALL DIAMETER: 0.500 INCHES NOMINAL IN
•
MATERIAL: NICKEL AND COPPER
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.030 INCHES NOMINAL IN
OVERALL DIAMETER0.500 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYPLUG
END ITEM IDENTIFICATIONHYDROLIC CYLINDER
MATERIALNICKEL AND COPPER
SUBSTITUTES & CROSS-REFERENCES 2
6985420Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
H611-1404-34Same 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 581-6985420-34?
581-6985420-34 is a PLUG,LEAKPROOF SEAL.
What parts can replace 581-6985420-34?
There are 2 known substitutes for 581-6985420-34: 6985420, H611-1404-34. Substitute compatibility should be verified for your specific system.
What is the NSN for 581-6985420-34?
581-6985420-34 is cataloged in the U.S. Government catalog under NSN 5340-01-496-9779. This indicates validated use in U.S. government and defense supply chains.
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