NSN 5305-01-522-0921
High Torque Screw
Between 2.138 inches and 2.168 inches fastener length, flat countersunk head style, 0.464 inches head diameter, grip diameter: between 0.2485 inches and 0.2495 inches .
Manufacturer part number NAS1580A4R28D for national stock number 5305015220921.
Datasheet
-
Product description
Close Tolerance Screw NSN 5305-01-522-0921.
-
MPN or Model
NAS1580A4R28D
-
Schedule B
7318.15.2000 (Bolts and bolts and their nuts or washers exported in the same shipment) -
NMF (National Motor Freight)
093486 - Bolts, Nuts Or Screws, NOI (sub 3) -
Thread Class
3a -
Thread Direction
Right-hand -
Thread Length
Between 0.393 inches and 0.413 inches -
Fastener Length
Between 2.138 inches and 2.168 inches -
Head Style
Flat countersunk -
Head Diameter
0.464 inches -
Grip Diameter
Between 0.2485 inches and 0.2495 inches -
Internal Drive Style
Offset cruciform (torque set) -
End Application
C-17a acft -
Thread Diameter
0.250 inches -
Grip Length
Between 1.740 inches and 1.760 inches -
Thready Qty Per Inch (tpi)
28 -
Countersink Angle
Between 99.0 degrees and 101.0 degrees -
Part Name Assigned By Controlling Agency
Screw close tolerance -
Material
Steel comp 4140 -
Thread Series Designator
Unjf
More from these suppliers
- 5935-00-233-2052 MPN NAS1694G16T24PNElectrical Plug Connector
- 5940-01-451-2679 MPN NAS1063E3-551ETerminal Board Marker Strip
- 5305-00-003-9287 MPN MS27039C0828Machine Screw
- 5305-00-051-2334 MPN MS51958-108Machine Screw
- 5305-00-052-5935 MPN MS35198-77Machine Screw
- 5305-00-052-6872 MPN MS24627-49Tapping Screw
- 5305-00-151-9318 MPN NAS1218-08E38Machine Screw
- 5305-00-151-9785 MPN NAS1121-7Close Tolerance Screw
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 5305-01-522-0921 close tolerance screwManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
---|---|
NAS1580A4R28D | National Aerospace Standards |