NSN 5305-01-497-9727
Bolt Stove
Between 0.828 inches and 0.853 inches fastener length, flat countersunk head style, between 0.344 inches and 0.385 inches head diameter, internal drive style: high-torque.
Manufacturer part number NAS1221-3-8 for national stock number 5305014979727.
Datasheet
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Product description
Machine Screw NSN 5305-01-497-9727.
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MPN or Model
NAS1221-3-8
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Schedule B
7318.15.2000 (Bolts and bolts and their nuts or washers exported in the same shipment) -
NMF (National Motor Freight)
133300 - Machinery/machines NOI -
Thread Class
3a -
Thread Direction
Right-hand -
Thread Length
0.338 inches -
Fastener Length
Between 0.828 inches and 0.853 inches -
Head Style
Flat countersunk -
Head Diameter
Between 0.344 inches and 0.385 inches -
Internal Drive Style
High-torque -
Thread Diameter
0.190 inches -
Thready Qty Per Inch (tpi)
32 -
Countersink Angle
Between 99.0 degrees and 101.0 degrees -
Screw Material
Steel comp 4140 or steel comp 4340 or steel comp 8740 -
Screw Material Specification
Mil-s-5626 military specification 1st material response or ams6415 assn standard 2nd material response or mil-s-6049 military specification 3rd material response -
Screw Surface Treatment
Cadmium -
Screw Surface Treatment Specification
Qq-p-416, ty ii, cl 2 federal specification single treatment response -
Thread Series Designator
Unjf -
Specification Data
80205-nas1221 professional/industrial association standard
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An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below no. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes bolt, clevis; bolt, externally relieved body; screw, externally relieved body; and screw, assembled washer. See also, screw, instrument; bolt, machine; bolt, internal wrenching; and screw, cap socket head.
Pricing and Availability
Get a quote for 5305-01-497-9727 machine screwManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
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NAS1221-3-8 | National Aerospace Standards |