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Technical Data Sheet

6745PC6261 — Technical Data Sheet

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— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR, center_hole_diameter: 1.731 INCHES MINIMUM AND 1.737 INCHES MAXIMUM IN, cross-sectional_height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 5331-00-375-7090, 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
6745PC6261
NSN: 5331-00-375-7090
FSC: 5331 — O-RING
CAGE: 29709 — HUNT VALVE COMPANY, INC. (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
center_hole_diameter1.731 INCHES MINIMUM AND 1.737 INCHES MAXIMUM IN
cross-sectional_height0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
NSN5331-00-375-7090
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 6745PC6261 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-ACRYLONITRILE CLASS NBR
•
CROSS-SECTIONAL HEIGHT: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 1.731 INCHES MINIMUM AND 1.737 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
CROSS-SECTIONAL HEIGHT0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
CENTER HOLE DIAMETER1.731 INCHES MINIMUM AND 1.737 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
615502InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
6261-2JInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
6261-2FInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
268L64401-M00InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
326L64357-M00 ITEM 5InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
6261InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 6745PC6261?
6745PC6261 is a O-RING.
What parts can replace 6745PC6261?
There are 14 known substitutes for 6745PC6261: 615502, 6261-2J, 6261-2F and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 6745PC6261?
6745PC6261 is cataloged in the Federal Logistics Information System under NSN 5331-00-375-7090. This indicates validated use in U.S. government and defense supply chains.
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