5305-01-357-4684

Find complete technical information, availability, and procurement data for: 5305-01-357-4684
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-357-4684

Item Name Code

29294

Assigment Date

04/24/1992 (34 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.

3a thread class, flat countersunk head style, 0.339 inches nominal thread length, 0.688 inches nominal fastener length, right-hand thread direction

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: 0.339 inches nominal
Fastener Length: 0.688 inches nominal
Head Style: flat countersunk
Head Diameter: 0.322 inches minimum
Grip Diameter: 0.1885 inches minimum and 0.1895 inches maximum
Internal Drive Style: cross recess type ii
Nominal Thread Diameter: 0.190 inches
Grip Length: 0.187 inches nominal
Thread Quantity Per Inch: 32
Countersink Angle: 100.0 degrees nominal
Material: steel comp 301 or steel comp 302 or steel comp 302b or steel comp 303 or steel comp 303se or steel comp 304 or steel comp 304l or steel comp 305 or steel comp 308 or steel comp 309 or steel comp 309s or steel comp 310 or steel comp 310s or steel comp 314 or steel comp 316 or steel comp 316l or steel comp 317 or steel comp 321 or steel comp 347 or steel comp 348 or steel comp 384 or steel comp 385 overall
Material Document And Classification: qqs763 fed spec single material response overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: qq+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
5305PL1663385	Close Tolerance Screw
CA21063-10-6-11	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-01-357-4684?

The FSCG of the NSN 5305-01-357-4684 is 5305

Does the NSN 5305-01-357-4684 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-357-4684 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 5305-01-357-4684 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-357-4684 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 5305-01-357-4684 was assigned to the Federal Catalog?

It was assigned 34 years ago, on Fri, Apr 24, 1992