NAS7503U3

View detailed technical data, stock status, and sourcing information for: NAS7503U3
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-383-6131

Item Name Code

29294

Assigment Date

11/26/1993 (32 years ago)

A ferrous or nonferrous product with cross-sectional dimensions. Excludes:armor plate; plate, floor, metal; terneplate; and tinplate. For silver plate items see silver sheet.

right-hand thread direction, 3a thread class, 0.496 inches minimum and 0.526 inches maximum fastener length, 0.323 inches nominal thread length, flat countersunk head style

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: 0.323 inches nominal
Fastener Length: 0.496 inches minimum and 0.526 inches maximum
Head Style: flat countersunk
Head Diameter: 0.381 inches maximum
Grip Diameter: 0.1890 inches minimum and 0.1895 inches maximum
Internal Drive Style: cross recess type iii
Nominal Thread Diameter: 0.190 inches
Grip Length: 0.178 inches minimum and 0.198 inches maximum
Thread Quantity Per Inch: 32
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Material: iron alloy 660 overall
Material Document And Classification: ams 5731 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
Specification/Standard Data: 80205-nas7503 professional/industrial association standard

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
NAS7503U3	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-01-383-6131?

The FSCG of the NSN 5305-01-383-6131 is 5305

Does the NSN 5305-01-383-6131 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-383-6131 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 5305-01-383-6131 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-383-6131 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 5305-01-383-6131 was assigned to the Federal Catalog?

It was assigned 32 years ago, on Fri, Nov 26, 1993