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59RG-12 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

59RG-12: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE NITRILE, special_features: DESIGNED FOR TUBE OUTSIDE DIAMETER 0.750 INCH IN, end_item_identification: MRAP - M-ATV. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-578-6755, 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
59RG-12
NSN: 5331-01-578-6755
FSC: 5331 — O-ring
CAGE: 87373 — PARKER-HANNIFIN CORPORATION DBA PNEUTRONICS DIV HOSE PRODUCTS DIVISION (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE NITRILE
special_featuresDESIGNED FOR TUBE OUTSIDE DIAMETER 0.750 INCH IN
end_item_identificationMRAP - M-ATV
NSN5331-01-578-6755
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 59RG-12 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 BUTADIENE NITRILE
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESDESIGNED FOR TUBE OUTSIDE DIAMETER 0.750 INCH IN
END ITEM IDENTIFICATIONMRAP - M-ATV
MATERIALRUBBER BUTADIENE NITRILE
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
N1195-70 2-017Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
19KP699Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Shelf-life managedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 59RG-12?
59RG-12 is a O-RING.
What parts can replace 59RG-12?
There are 2 known substitutes for 59RG-12: N1195-70 2-017, 19KP699. Substitute compatibility should be verified for your specific system.
What is the NSN for 59RG-12?
59RG-12 is cataloged in the U.S. Government catalog under NSN 5331-01-578-6755. 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.