LL57J26P5

View detailed technical data, stock status, and sourcing information for: LL57J26P5
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-444-0596

Item Name Code

06657

Assigment Date

04/26/1997 (29 years ago)

A hardened externally threaded fastener whose thread extends to the bearing surface of the head. The thread may be fluted or otherwise designed to cut or form its own mating thread. Excludes:screw, assembled washer.

flat countersunk head style, right-hand thread direction, 3a thread class, 0.312 inches nominal fastener length, 0.276 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: 3a
Thread Direction: right-hand
Thread Length: 0.276 inches maximum
Fastener Length: 0.312 inches nominal
Head Style: flat countersunk
Head Diameter: 0.147 inches minimum and 0.172 inches maximum
Locking Feature: strip
Internal Drive Style: cross recess type ii
Nominal Thread Diameter: 0.086 inches
Thread Quantity Per Inch: 56
Countersink Angle: 80.0 degrees minimum and 82.0 degrees maximum
Screw Material: steel corrosion resisting
Locking Feature Material: plastic polychlorotrifluoroethylene
Screw Material Document And Classification: qq-s-763, type 18-8 fed spec all material responses
Locking Feature Material Document And Classification: mil-f-18240 mil spec single material response
Screw Surface Treatment: passivate
Screw Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response
Color: blue
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
141-5210-001	Machine Screw
LL57J26P5	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-444-0596?

The FSCG of the NSN 5305-01-444-0596 is 5305

Does the NSN 5305-01-444-0596 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-444-0596 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 5305-01-444-0596 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-444-0596 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 5305-01-444-0596 was assigned to the Federal Catalog?

It was assigned 29 years ago, on Sat, Apr 26, 1997