NSN 5305-01-287-2911
High Torque Screw
1.675 inches fastener length, flat countersunk head style, 0.258 inches head diameter, grip diameter: between 0.188 inches and 0.190 inches .
Manufacturer part number NAS1581A3T21P for national stock number 5305012872911.
Datasheet
-
Product description
Close Tolerance Screw NSN 5305-01-287-2911.
-
MPN or Model
NAS1581A3T21P
-
Schedule B
7318.15.2000 (Bolts and bolts and their nuts or washers exported in the same shipment) -
Thread Class
3a -
Thread Direction
Right-hand -
Thread Length
0.363 inches -
Fastener Length
1.675 inches -
Head Style
Flat countersunk -
Head Diameter
0.258 inches -
Grip Diameter
Between 0.188 inches and 0.190 inches -
Internal Drive Style
Offset cruciform (torque set) -
Thread Diameter
0.190 inches -
Grip Length
1.312 inches -
Thready Qty Per Inch (tpi)
32 -
Min. Tensile Strength (psi)
160000 pounds per square inch -
Countersink Angle
Between 99.0 degrees and 101.0 degrees -
Surface Finish
32.0 microinches -
Material
Stainless steel -
Surface Treatment
Cadmium -
Surface Treatment Specification
Qq-p-416 federal specification single treatment response -
Thread Series Designator
Unjf -
Specification Data
80205-nas1581 professional/industrial association standard
More from these suppliers
- 5940-01-425-6041 MPN NAS1063A5-436Terminal Board Marker Strip
- 5305-00-059-3660 MPN NASM51958Machine Screw
- 5305-00-079-1748 MPN MS24694S19Machine Screw
- 5305-00-088-3819 MPN NAS1631-12Machine Screw
- 5305-00-088-9671 MPN NAS560CK2P5Machine Screw
- 5305-00-102-3006 MPN NAS1218-08-10PMachine Screw
- 5305-00-104-7537 MPN NAS1189-04P6LSocket Head Cap Screw
- 5305-00-121-8885 MPN MS27577-4-13Close 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 5305-01-287-2911 close tolerance screwManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
---|---|
NAS1581A3T21P | National Aerospace Standards |