5305-01-271-4338

Find complete technical information, availability, and procurement data for: 5305-01-271-4338
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-271-4338

Item Name Code

06657

Assigment Date

01/25/1988 (38 years ago)

2a thread class, right-hand thread direction, 1.688 inches minimum and 1.750 inches maximum fastener length, pan head style, 1.638 inches minimum and 1.750 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: 2a
Thread Direction: right-hand
Thread Length: 1.638 inches minimum and 1.750 inches maximum
Fastener Length: 1.688 inches minimum and 1.750 inches maximum
Head Style: pan
Head Diameter: 0.205 inches minimum and 0.219 inches maximum
Head Height: 0.070 inches minimum and 0.080 inches maximum
Internal Drive Style: cross recess type 1
Nominal Thread Diameter: 0.112 inches
Thread Quantity Per Inch: 40
Minimum Tensile Strength: 80000 pounds per square inch
Part Name Assigned By Controlling Agency: navy special project
Screw Material: steel comp 301 or steel comp 302 or steel comp 303 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 323 or steel comp 324 or steel comp 347 or steel comp 348
Screw Material Document And Classification: 66 assn std all material responses
Screw Surface Treatment: passivate
Screw Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response
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
ES8398-04	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-271-4338?

The FSCG of the NSN 5305-01-271-4338 is 5305

Does the NSN 5305-01-271-4338 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-271-4338 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 5305-01-271-4338 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-271-4338 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 5305-01-271-4338 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Mon, Jan 25, 1988