X11577

View detailed technical data, stock status, and sourcing information for: X11577
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-101-5917

Item Name Code

16282

Assigment Date

10/04/1980 (45 years ago)

A resilient metal item, circular or nearly circular, which is designed to be inserted into an internal or external groove and retained by its own spring action, or it may have external prongs or projections designed to be inserted into a hole and retained by spring action of the prongs which grip by imbedding into the material. For items having internal prongs which perform the same function, see push on nut. It is used to keep and/or lock a part(s) in position, as a ball bearing on a shaft or in a housing. See also clip, retaining and pin, lock. Excludes:ring, connecting, round.

0.253 inches minimum and 0.315 inches maximum thread length, flat countersunk head style, right-hand thread direction, 2a thread class, 0.375 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: 0.253 inches minimum and 0.315 inches maximum
Fastener Length: 0.375 inches nominal
Head Style: flat countersunk
Head Diameter: 0.238 inches minimum and 0.279 inches maximum
Locking Feature: strip threads
Internal Drive Style: cross recess type 1
Nominal Thread Diameter: 0.138 inches
Thread Quantity Per Inch: 32
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Color: green locking feature
Material: plastic polyamide (nylon) locking feature
Material: steel fastener
Surface Treatment: cadmium fastener
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
LP22G62P6	Socket Head Cap Screw
X11577	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-101-5917?

The FSCG of the NSN 5305-01-101-5917 is 5305

Does the NSN 5305-01-101-5917 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-101-5917 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 5305-01-101-5917 contain precious materials?

Precious metal content is unknown

Does NSN 5305-01-101-5917 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 5305-01-101-5917 was assigned to the Federal Catalog?

It was assigned 45 years ago, on Sat, Oct 4, 1980