NSN 5305-01-049-5665
High Torque Screw
Between 1.624 inches and 1.654 inches fastener length, flat countersunk head style, between 0.354 inches and 0.399 inches head diameter, grip diameter: between 0.2485 inches and 0.2495 inches .
Manufacturer part number NAS8704-20 for national stock number 5305010495665.
Datasheet
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Product description
Close Tolerance Screw NSN 5305-01-049-5665.
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MPN or Model
NAS8704-20
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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) -
Unit Weight (Est.)
0.1 lb -
Thread Class
3a -
Thread Direction
Right-hand -
Thread Length
Between 0.364 inches and 0.414 inches -
Fastener Length
Between 1.624 inches and 1.654 inches -
Head Style
Flat countersunk -
Head Diameter
Between 0.354 inches and 0.399 inches -
Grip Diameter
Between 0.2485 inches and 0.2495 inches -
Internal Drive Style
High-torque -
Thread Diameter
0.250 inches -
Grip Length
Between 1.240 inches and 1.260 inches -
Thready Qty Per Inch (tpi)
28 -
Countersink Angle
100.0 degrees -
Surface Finish
32.0 microinches threads -
Material
Iron alloy 660 -
Surface Treatment
Cadmium and chromate -
Surface Treatment Specification
Qq-p-416, type 2, class 3 federal specification single treatment response -
Thread Series Designator
Unjf -
Specification Data
81205-bacb30ll professional/industrial association standard
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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.
![Mechanic Bill explains High Torque Screw](/public/images/billy-thinking.png)
Pricing and Availability
Get a quote for 5305-01-049-5665 close tolerance screwManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
---|---|
NAS8704-20 | National Aerospace Standards |
BACB30LL4-20 | The Boeing Company |
BACB30LL4-20 | Huck International, Inc. |
BACB30LL4-20 | Huck Intl Inc |
Stock Check
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