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PRP568-128-4067 70 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

PRP568-128-4067 70: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR, outside_diameter: 1.675 INCHES MINIMUM AND 1.711 INCHES MAXIMUM IN, center_hole_diameter: 1.481 INCHES MINIMUM AND 1.493 INCHES MAXIMUM IN, cross-sectional_height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-702-5643, 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
PRP568-128-4067 70
NSN: 5331-00-702-5643
FSC: 5331 — O-ring
CAGE: 77308 — PARCO, LLC (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
outside_diameter1.675 INCHES MINIMUM AND 1.711 INCHES MAXIMUM IN
center_hole_diameter1.481 INCHES MINIMUM AND 1.493 INCHES MAXIMUM IN
cross-sectional_height0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
NSN5331-00-702-5643
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: PRP568-128-4067 70 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
•
CROSS-SECTIONAL HEIGHT: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 1.675 INCHES MINIMUM AND 1.711 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 1.481 INCHES MINIMUM AND 1.493 INCHES MAXIMUM IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
OUTSIDE DIAMETER1.675 INCHES MINIMUM AND 1.711 INCHES MAXIMUM IN
CENTER HOLE DIAMETER1.481 INCHES MINIMUM AND 1.493 INCHES MAXIMUM IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
SUBSTITUTES & CROSS-REFERENCES 8
MS28775-128ESReference document
Same NSN cross-reference
Reference document — Secondary reference
170160Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
MS18775-128Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
MS28775-128Reference document
Same NSN cross-reference
Reference document — Secondary reference
ARP568-128MILP2 5732Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
5330007025643Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Shelf-life managedAcquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is PRP568-128-4067 70?
PRP568-128-4067 70 is a O-RING.
What parts can replace PRP568-128-4067 70?
There are 8 known substitutes for PRP568-128-4067 70: MS28775-128ES, 170160, MS18775-128 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for PRP568-128-4067 70?
PRP568-128-4067 70 is cataloged in the U.S. Government catalog under NSN 5331-00-702-5643. 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.