5305-00-157-8503

Find complete technical information, availability, and procurement data for: 5305-00-157-8503
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-157-8503

Item Name Code

16282

Assigment Date

06/16/1971 (55 years ago)

A headless cylindrical shaped metal item exceeding 12 inches (304.8 mm) in length and externally threaded on one or both ends. The unthreaded portion shall be of one diameter. Excludes:items with tapered threads. See also stud (as modified) and pin, straight, threaded.

0.164 inches minimum and 0.245 inches maximum thread length, right-hand thread direction, flat countersunk head style, 0.281 inches minimum and 0.312 inches maximum fastener length, 2a thread class

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: 0.164 inches minimum and 0.245 inches maximum
Fastener Length: 0.281 inches minimum and 0.312 inches maximum
Head Style: flat countersunk
Head Diameter: 0.195 inches minimum and 0.225 inches maximum
Locking Feature: pellet threads
Internal Drive Style: cross recess type 1
Nominal Thread Diameter: 0.112 inches
Thread Quantity Per Inch: 40
Countersink Angle: 80.0 degrees minimum and 82.0 degrees maximum
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
Surface Treatment: passivate overall
Surface Treatment Document And Classification: qq-p-35 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
1936824-1	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-157-8503?

The FSCG of the NSN 5305-00-157-8503 is 5305

Does the NSN 5305-00-157-8503 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-157-8503 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 5305-00-157-8503 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-157-8503 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 5305-00-157-8503 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Wed, Jun 16, 1971