5305-00-688-1550

Find complete technical information, availability, and procurement data for: 5305-00-688-1550
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-688-1550

Item Name Code

16282

Assigment Date

01/01/1963 (63 years ago)

2a thread class, 0.167 inches minimum thread length, flat countersunk head style, right-hand thread direction, 0.250 inches nominal 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: 2a
Thread Direction: right-hand
Thread Length: 0.167 inches minimum
Fastener Length: 0.250 inches nominal
Head Style: flat countersunk
Head Diameter: 0.279 inches nominal
Locking Feature: pellet threads
Internal Drive Style: cross recess type 1
Nominal Thread Diameter: 0.138 inches
Thread Quantity Per Inch: 32
Countersink Angle: 82.0 degrees nominal
Material: copper alloy overall
Precious Material: silver
Surface Treatment: silver 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
M32B632R4-125E	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-688-1550?

The FSCG of the NSN 5305-00-688-1550 is 5305

Does the NSN 5305-00-688-1550 have a Schedule B code assigned?

Yes, the Schedule B code is 7415338550

Does NSN 5305-00-688-1550 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 5305-00-688-1550 contain precious materials?

Item contains silver.

Does NSN 5305-00-688-1550 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 5305-00-688-1550 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963