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N11728CG — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

N11728CG: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include center_hole_diameter: 1.293 INCHES MINIMUM AND 1.305 INCHES MAXIMUM IN, cross-sectional_height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN, end_item_identification: MRAP - COMMON NSN - USED ON 2 MRAP VARIANTS AND 2 OTHER WEAPON SYSTEMS.. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-007-8800, 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
N11728CG
NSN: 5331-01-007-8800
FSC: 5331 — O-ring
CAGE: 06721 — HALDEX BRAKE PRODUCTS CORPORATION (USA)
SPECIFICATIONS
center_hole_diameter1.293 INCHES MINIMUM AND 1.305 INCHES MAXIMUM IN
cross-sectional_height0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
end_item_identificationMRAP - COMMON NSN - USED ON 2 MRAP VARIANTS AND 2 OTHER WEAPON SYSTEMS.
NSN5331-01-007-8800
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: N11728CG 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
•
CENTER HOLE DIAMETER: 1.293 INCHES MINIMUM AND 1.305 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
CENTER HOLE DIAMETER1.293 INCHES MINIMUM AND 1.305 INCHES MAXIMUM IN
END ITEM IDENTIFICATIONMRAP - COMMON NSN - USED ON 2 MRAP VARIANTS AND 2 OTHER WEAPON SYSTEMS.
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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is N11728CG?
N11728CG is a O-RING.
What is the NSN for N11728CG?
N11728CG is cataloged in the U.S. Government catalog under NSN 5331-01-007-8800. 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.