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5305-00-305-1333

Find complete technical information, availability, and procurement data for: 5305-00-305-1333

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5305-00-305-1333
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-00-305-1333
Item Name Code
06672
Assigment Date
10/17/1973 (52 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.

headless (setscrew) head style, right-hand thread direction, 3a thread class, 0.240 inches minimum and 0.260 inches maximum fastener length, 0.240 inches minimum and 0.260 inches maximum 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
3a
Thread Direction
right-hand
Thread Length
0.240 inches minimum and 0.260 inches maximum
Fastener Length
0.240 inches minimum and 0.260 inches maximum
Head Style
headless (setscrew)
Point Style
flat
Internal Drive Style
hexagon
Nominal Thread Diameter
0.250 inches
Width Across Flats
0.125 inches minimum and 0.127 inches maximum
Thread Quantity Per Inch
20
Hardness Rating
45.0 rockwell c minimum and 53.0 rockwell c maximum overall
Special Features
hole 0.065 in. dia 0.047 in. min 0.093 in. max from drive end
Material
steel comp 4037 or steel comp 4137 or steel comp 4140 or steel comp 8630 or steel comp 8740 overall
Material Document And Classification
sae assn std all material responses overall
Surface Treatment
cadmium overall
Surface Treatment Document And Classification
qq-p-416 ty 2 cl 3 fed spec single treatment response overall
Thread Series Designator
unc

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
682612-01 Setscrew

FAQs

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

What is the FSCG of the NSN 5305-00-305-1333?
The FSCG of the NSN 5305-00-305-1333 is 5305
Does the NSN 5305-00-305-1333 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-305-1333 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 5305-00-305-1333 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-305-1333 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 5305-00-305-1333 was assigned to the Federal Catalog?
It was assigned 52 years ago, on Wed, Oct 17, 1973

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