5305-01-127-3754

Find complete technical information, availability, and procurement data for: 5305-01-127-3754
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-127-3754

Item Name Code

29294

Assigment Date

02/27/1982 (44 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.

right-hand thread direction, flat chamfer head style, 3a thread class, 0.220 inches minimum and 0.250 inches maximum thread length, 0.590 inches minimum and 0.595 inches maximum fastener 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: 0.220 inches minimum and 0.250 inches maximum
Fastener Length: 0.590 inches minimum and 0.595 inches maximum
Head Style: flat chamfer
Head Diameter: 0.281 inches nominal
Head Height: 0.120 inches minimum and 0.130 inches maximum
Grip Diameter: 0.1892 inches minimum and 0.1894 inches maximum
Shank Unthreaded Hole Diameter: 0.062 inches minimum and 0.067 inches maximum first hole
Internal Drive Style: slot
Nominal Thread Diameter: 0.190 inches
Grip Length: 0.340 inches minimum and 0.375 inches maximum
Thread Quantity Per Inch: 32
Hardness Rating: 32.0 rockwell c minimum and 38.0 rockwell c maximum overall
Distance From Head Largest Bearing Surface To Shank Hole Center: 0.530 inches minimum and 0.555 inches maximum first hole
Surface Finish: 63.0 microinches grip
Surface Finish: 63.0 microinches sides of head
Material: steel comp 630 overall
Material Document And Classification: ams 5643 assn std single material response overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: qq-p-35 fed spec single treatment 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
172B4136P1	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-01-127-3754?

The FSCG of the NSN 5305-01-127-3754 is 5305

Does the NSN 5305-01-127-3754 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-127-3754 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 5305-01-127-3754 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-127-3754 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 5305-01-127-3754 was assigned to the Federal Catalog?

It was assigned 44 years ago, on Sat, Feb 27, 1982