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ROYCO® 27 Aircraft Instrument & Gear Bearing Grease

ROYCO® 27 Aircraft Instrument & Gear Bearing Grease

ROYCO 27 Aircraft Instrument and Gear Bearing Grease from SkyGeek is a multi-purpose formula that provides fantastic corrosion resistance and rust protection along with excellent lubrication. The anti-wear formula has a light tan color for easy recognition. It is ester-based and is composed of a long-lasting lithium stearate thickener that works well in a variety of conditions.

ROYCO 27 Aircraft Instrument and Gear Bearing Grease lubricates and protects. The grease is water-resistant so it shuts out moisture to prevent water damage and to preserving sensitive engine components. ROYCO 27 Grease from SkyGeek has a lengthy shelf-life and operational life, lasting up to three years. Choose ROYCO 27 Grease from SkyGeek and fly with confidence.

ROYCO 27 Aircraft Instrument and Gear Bearing Grease is available in several sizes to suit your needs. Choose a small pre-filled 14-ounce cartridge for single applications or opt for a jumbo 400-pound drum. The grease is an excellent value and is a must-have addition to any workbench. Same-day shipping is available on select sizes of this premium grease.

Approvals/References/Specification

  • NATO Specification: G-354
  • US Military Specification: MIL-G-23827
  • US Military Specification: MIL-PRF-23827 Type 1
Applications
ROYCO 27 is intended for use in highly loaded gears and actuators as well as instruments and high-speed bearings over temperatures from -100° to 275°F. In addition, ROYCO 27 may be used in all applications where MIL-G-3278, MIL-G-7118, MIL-G-7421, MIL-G-15793, and MIL-PRF-23827 are specified.
Specifications
ROYCO 27 meets all requirements and is qualified against MIL-SPEC:
  • MIL-PRF-23827C
  • Penetration, mm

  • Worked: 287
  • Unworked: 275
  • Stability, 100,000 strokes: 310
  • Evaporation, 100 deg C/22 hrs.,%: 1.0
  • Storage Stability: No Gross Separation
  • Oxidation Stability, 100 hrs, 210 deg. F: 2 PSI
  • Rust Prevention: PASS
  • Dropping Point, deg C: 190
  • Oil Separation

  • 100 deg C, 72 hrs, % wt: 2.3
  • Load Wear Index: 37
  • Low Temp. Torque, Nm, -100 F

  • Starting: 0.38
  • Running: 0.03
  • ROYCOŽ 27 Tan MIL-PRF-23827C Amendment 2, Type I Spec Aircraft Instrument & Gear Bearing Grease - 14 oz CartridgeView DetailsEnable JS
    Part Number
    4055657
    Size
    14 oz Cartridge
    Spec
    MIL-PRF-23827C Amendment 2, Type I
    Price
    $17.30
    Hover for Qty Pricing
    Qty
    Certification
    Same Day Ship
    Material Safety Data Sheet:
    MSDS1
    Country of Origin: USA
    ROYCOŽ 27 Tan MIL-PRF-23827C Amendment 2, Type I Spec Aircraft Instrument & Gear Bearing Grease - 6.5 lb CanView DetailsEnable JS
    Part Number
    4055651
    Size
    6.5 lb Can
    Spec
    MIL-PRF-23827C, Amendment 2, Type I
    Price
    $106.04
    Hover for Qty Pricing
    Qty
    Certification
    Material Safety Data Sheet:
    MSDS1
    Country of Origin: USA
    ROYCOŽ 27 Tan MIL-PRF-23827C Amendment 2, Type I Spec Aircraft Instrument & Gear Bearing Grease - 5 Gallon Plastic PailView DetailsEnable JS
    Part Number
    4055649
    Size
    5 Gallon Plastic Pail
    Spec
    MIL-PRF-23827C Amendment 2, Type I
    Price
    $427.88
    Qty
    Certification
    Same Day Ship
    Material Safety Data Sheet:
    MSDS1
    Country of Origin: USA
    ROYCOŽ 27 Tan MIL-PRF-23827C Amendment 2, Type I Spec Aircraft Instrument & Gear Bearing Grease - 400 lb DrumView DetailsEnable JS
    Part Number
    27-400LB
    Size
    400 lb Drum
    Spec
    N/A
    Price
    $4,016.36
    Hover for Qty Pricing
    Need Lift Gate with Delivery?:
    Qty
    Certification
    Material Safety Data Sheet:
    MSDS1
    Country of Origin: USA
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