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2C2728 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

2C2728: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR, center_hole_diameter: 2.090 INCHES MINIMUM AND 2.110 INCHES MAXIMUM IN, cross-sectional_height: 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-764-5311, 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
2C2728
NSN: 5331-00-764-5311
FSC: 5331 — O-ring
CAGE: 13841 — TIFFIN PARTS, L.L.C. DIV SUBSIDIARY OF PETTIBONE CORP. (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
center_hole_diameter2.090 INCHES MINIMUM AND 2.110 INCHES MAXIMUM IN
cross-sectional_height0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
NSN5331-00-764-5311
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 2C2728 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: 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 2.090 INCHES MINIMUM AND 2.110 INCHES MAXIMUM IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
CENTER HOLE DIAMETER2.090 INCHES MINIMUM AND 2.110 INCHES MAXIMUM IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
SUBSTITUTES & CROSS-REFERENCES 8
25K60204Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
63655Reference document
Same NSN cross-reference
Reference document — Secondary reference
682241BNReference document
Same NSN cross-reference
Reference document — Secondary reference
3R5934Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
682241GGReference document
Same NSN cross-reference
Reference document — Secondary reference
A4121Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Shelf-life managedAcquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 2C2728?
2C2728 is a O-RING.
What parts can replace 2C2728?
There are 8 known substitutes for 2C2728: 25K60204, 63655, 682241BN and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2C2728?
2C2728 is cataloged in the U.S. Government catalog under NSN 5331-00-764-5311. This indicates validated use in U.S. government and defense supply chains.
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