NSN 5305-01-521-4398
High Torque Screw
0.637 inches fastener length, flat countersunk head style, between 0.345 inches and 0.383 inches head diameter, grip diameter: 1.895 inches .
Manufacturer part number BACB30NN3R6 for national stock number 5305015214398.
Datasheet
-
Product description
Close Tolerance Screw NSN 5305-01-521-4398.
-
MPN or Model
BACB30NN3R6
-
Schedule B
8109.90.0000 (Zirconium and articles thereof nesoi) -
Thread Class
3a -
Thread Direction
Right-hand -
Thread Length
0.345 inches -
Fastener Length
0.637 inches -
Head Style
Flat countersunk -
Head Diameter
Between 0.345 inches and 0.383 inches -
Grip Diameter
1.895 inches -
Internal Drive Style
Cross recess type 1 -
End Application
Aircraft, b757 -
Thread Diameter
0.190 inches -
Grip Length
0.375 inches -
Features Provided
Cetyl alcohol lubricant -
Thready Qty Per Inch (tpi)
32 -
Countersink Angle
Between 99.0 degrees and 101.0 degrees -
Color
Red threads -
Material
Titanium alloy -
Surface Treatment
Phosphate -
Thread Series Designator
Unjf
More from these suppliers
- 1560-00-075-6282 MPN 69-10865-803Aircraft Structural Component Support
- 5930-00-144-4496 MPN 10-60819-8Switch Assembly
- 1560-00-213-3595 MPN 9-30256-2Recoil Unit Retainer Assembly
- 5975-00-302-8115 MPN BACC10DR5SWire Bundle Channel
- 1560-00-320-4962 MPN 9-61963-4Aircraft Structural Panel
- 1560-00-508-8250 MPN 5-40706-19Aircraft Structural Component Support
- 4820-00-513-1219 MPN 10-1660-1Check Valve
- 1560-00-575-9560 MPN 69-2285-1Bypass Valve Handle
A screw, machine or screw, cap, socket head whose unthreaded portion is of specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001 in.) (0.025 mm) or less of a specific diameter for items (1.000 in.) (25 mm) or less in diameter. Items over (1.000 in.) (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015 in.) (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001 in.) (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the screw thread standards, fed std h28 and/or other nationally recognized standards. The head is designed to be held or driven with an inserted driver. It is not designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads.
Pricing and Availability
Get a quote for 5305-01-521-4398 close tolerance screwManufacturer Part Numbers and Alternates
| MPN manufacturer part number | Registrant or Supplier |
|---|---|
| BACB30NN3R6 | The Boeing Company |
| BACB30NN3R6 | The Boeing Company |
Stock Check
