NSN 5305-00-053-1057
Bolt Stove
1.968 inches fastener length, flat countersunk head style, between 0.881 inches and 0.884 inches head diameter, internal drive style: cross recess type 1.
Manufacturer part number HT7A21 for national stock number 5305000531057.
Datasheet
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Product description
Machine Screw NSN 5305-00-053-1057.
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MPN or Model
HT7A21
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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)
093486 - Bolts, Nuts Or Screws, NOI (sub 3) -
Thread Class
3a -
Thread Direction
Right-hand -
Thread Length
0.656 inches -
Fastener Length
1.968 inches -
Head Style
Flat countersunk -
Head Diameter
Between 0.881 inches and 0.884 inches -
Internal Drive Style
Cross recess type 1 -
Thread Diameter
0.438 inches -
Thready Qty Per Inch (tpi)
20 -
Countersink Angle
100.0 degrees -
Screw Material
Steel comp 431 -
Screw Material Specification
Qq-s-763 federal specification single material response -
Screw Surface Treatment
Passivate -
Thread Series Designator
Unf
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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.
![Mechanic Bill explains Bolt Stove](/public/images/billy-thinking.png)
Pricing and Availability
Get a quote for 5305-00-053-1057 machine screwManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
---|---|
HT7A21 | Hi-shear Corporation |
HT7A21 | Alcoa Fastening Systems |
Stock Check
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