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5305-01-259-8684

Find complete technical information, availability, and procurement data for: 5305-01-259-8684

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5305-01-259-8684
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-01-259-8684
Item Name Code
18257
Assigment Date
07/22/1987 (39 years ago)

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.

2a thread class, 12.000 inches nominal fastener length, right-hand thread direction, hexagon head style, 3.000 inches nominal thread length

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class
2a
Thread Direction
right-hand
Thread Length
3.000 inches nominal
Fastener Length
12.000 inches nominal
Head Style
hexagon
Head Height
0.780 inches nominal
Width Between Flats
1.880 inches nominal
Shank Unthreaded Hole Diameter
0.217 inches minimum and 0.229 inches maximum first hole
Nominal Thread Diameter
1.250 inches
Thread Quantity Per Inch
12
Distance From Head Largest Bearing Surface To Shank Hole Center
10.000 inches nominal first hole
Material
steel comp 1013 or steel comp 1015 or steel comp 1016 or steel comp 1017 or steel comp 1018 or steel comp 1019 or steel comp 1020 or steel comp 1021 or steel comp 1022 or steel comp 1023 or steel comp 1025 or steel comp 1026 or steel comp 1029 or steel comp 1030 or steel comp 1033 or steel comp 1034 or steel comp 1035 or steel comp 1037 or steel comp 1038 or steel comp 1039 or steel comp 1040 overall
Material Document And Classification
astm a449 assn std single material response overall
Thread Series Designator
unf

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number Name
52C8501-1 Hexagon Head Cap Screw
5305PL0816668 Hexagon Head Cap Screw

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5305-01-259-8684?
The FSCG of the NSN 5305-01-259-8684 is 5305
Does the NSN 5305-01-259-8684 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-01-259-8684 require demilitarization?
Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.
Does NSN 5305-01-259-8684 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-01-259-8684 contain hazardous materials?
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
When the NSN 5305-01-259-8684 was assigned to the Federal Catalog?
It was assigned 39 years ago, on Wed, Jul 22, 1987

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