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27FT nut — hexagon, thin, carbon steel, 450 °F

Self-Locking Hexagon Nut, Thin, Carbon Steel, 450 °F: dimensions by thread size and part numbers as listed. Tolerances and notes are on the standard.

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27FT at a glance

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27FT, self-locking hexagon nut, thin, carbon steel, 450 °f
27FT
27FT engineering drawing with dimensions
Engineering drawing · dimensions in inches

Specification

ItemValue
TypeSelf-locking nut
MaterialCarbon steel
Max. temperature450 °F
StatusCheck the current issue of the standard before design use.

Dimensions by size

Dimension, in.1380-32.1640-32.1900-32.2500-28.3125-24.3750-24
B — B, min diameter.305.336.367.430.492.553
C — Across corners, min.347.383.419.481.561.631
H — Height, max.141.188.188.219.266.282
S — S, min.036.070.065.075.097.108
W max — Across flats, max.313.345.376.439.502.564
W min — Across flats, min.305.336.367.430.492.553

Dimensions in inches, as tabulated for the part. Blank cells (—): not stated in the documents we hold; take them from the standard.

Part numbers

Part no.SizeMS20364 (reference only)
27FT-632.1380-32MS20364-632C
27FT-832.1640-32MS20364-832C
27FT-1032.1900-32MS20364-1032C
27FT-428.2500-28MS20364-428C
27FT-524.3125-24MS20364-524C
27FT-624.3750-24MS20364-624C

Part numbers as listed for the part; the standard governs and may list others.

Part number

What each code means

PartMeaning
Example27FT428 — .2500-28 thin self-locking nut, carbon steel

Notes from the standard

  • The MS20364 number is given for reference only.
  • Part number format as commonly written; check the standard for the exact format.
  • Approved data governs. Use the nut the SRM, drawing or IPC calls for.

Where to buy

AmericaDistributor coming soonOur partner for this region is on its way
EuropeDistributor coming soonOur partner for this region is on its way
OceaniaDistributor coming soonOur partner for this region is on its way

Distributors coming soon.

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Calculators

CalculatorTorque by Part Number: Bolt and NutTorque for an AN or NAS bolt with its nut, from AC 43.13-1B Table 7-1CalculatorTorque Wrench Extension CalculatorTorque wrench setting with a crowfoot or adapterCalculatorAviation Unit ConverterConvert the units a hangar mixesCalculatorPart number cross-referenceType any 27FT number and see its other names.

Guides

ChartAN Bolt & Nut Torque ChartRecommended torque for AN and MS nuts and bolts in inch-pounds, fine and coarse thread, plus…ChartFastener cross-referenceFrequent fastener crosses with their supersession status

How to do it

Standard practiceTorquingHow to torque aircraft bolts

Tools

Tool guideTorque wrenchHow to use an aircraft torque wrenchBuying guideTorque Wrenches: Click, Dial or Beam, and What RangeWhich torque wrench for AN hardware

Data sheets

Data sheetNutsThe family side by side.Data sheetWashersAircraft washers side by sideData sheetAN bolts, AN3 to AN8AN3 to AN8 aircraft bolts side by sideData sheetTekton TRQ — micrometer click torque wrenches, 1/4 to 1/2 in driveTekton TRQ Tekton micrometer torque wrenches

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Distributors coming soon.

Sources

  • 27FT — Self-Locking Hexagon Nut, Thin, Carbon Steel, 450 °F — nominal sizes and part numbers.
Educational reference only. not approved data. Always consult the applicable SRM, AMM, or AC 43.13-1B and your certifying authority.
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