NSN 5305-00-144-0346
Bolt Stove
Between 0.848 inches and 0.895 inches fastener length, flat countersunk head style, between 0.461 inches and 0.507 inches head diameter, internal drive style: high-torque.
Manufacturer part number NAS1221-4C7 for national stock number 5305001440346.
Datasheet
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Product description
Machine Screw NSN 5305-00-144-0346.
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MPN or Model
NAS1221-4C7
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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)
096640 - Screws, Iron Or Steel -
Unit Weight (Est.)
0.1 lb -
Thread Class
3a -
Thread Direction
Right-hand -
Thread Length
Between 0.400 inches and 0.467 inches -
Fastener Length
Between 0.848 inches and 0.895 inches -
Head Style
Flat countersunk -
Head Diameter
Between 0.461 inches and 0.507 inches -
Internal Drive Style
High-torque -
Thread Diameter
0.250 inches -
Thready Qty Per Inch (tpi)
28 -
Min. Tensile Strength (psi)
150000 pounds per square inch -
Countersink Angle
Between 99.0 degrees and 101.0 degrees -
Screw Material
Iron alloy 660 -
Screw Material Specification
Ams 5732 assn standard single material response -
Screw Surface Treatment
Passivate -
Screw Surface Treatment Specification
Mil-s-5002 military 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 5305-00-144-0346 machine screwManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
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NAS1221-4C7 | National Aerospace Standards |