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3HA547 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

3HA547: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include special_features: 5.12 OD, 90 DUROMETER, end_item_identification: NSN 3990-01-444-6174 BITUM DISTRIBUTOR. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-540-8848, 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
3HA547
NSN: 5331-01-540-8848
FSC: 5331 — O-ring
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)
SPECIFICATIONS
special_features5.12 OD, 90 DUROMETER
end_item_identificationNSN 3990-01-444-6174 BITUM DISTRIBUTOR
NSN5331-01-540-8848
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 3HA547 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
TECHNICAL CHARACTERISTICS
SPECIAL FEATURES5.12 OD, 90 DUROMETER
END ITEM IDENTIFICATIONNSN 3990-01-444-6174 BITUM DISTRIBUTOR
OTHER ITEMS IN FSC 5331 — O-ring
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5331-00-001-1971 5331-00-001-1979 5331-00-001-3904 5331-00-001-3905 5331-00-001-3906 5331-00-001-3908 5331-00-001-3923 5331-00-001-3924
SUBSTITUTES & CROSS-REFERENCES 2
OR-351-2820-744Reference document
Same NSN cross-reference
Reference document — Secondary reference
6602670Same 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 3HA547?
3HA547 is a O-RING.
What parts can replace 3HA547?
There are 2 known substitutes for 3HA547: OR-351-2820-744, 6602670. Substitute compatibility should be verified for your specific system.
What is the NSN for 3HA547?
3HA547 is cataloged in the U.S. Government catalog under NSN 5331-01-540-8848. This indicates validated use in U.S. government and defense supply chains.
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