5305-00-057-1263

Find complete technical information, availability, and procurement data for: 5305-00-057-1263
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-057-1263

Item Name Code

16282

Assigment Date

01/01/1963 (63 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes:items with bevel (conical) heads. See bolt, internal wrenching. Excludes:screw, shoulder; and screw, machine.

3a thread class, 0.500 inches nominal fastener length, 0.500 inches nominal thread length, right-hand thread direction, flat chamfer 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: 0.500 inches nominal
Fastener Length: 0.500 inches nominal
Head Style: flat chamfer
Head Diameter: 0.367 inches minimum and 0.375 inches maximum
Head Height: 0.244 inches minimum and 0.250 inches maximum
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.250 inches
Width Across Flats: 0.187 inches minimum and 0.189 inches maximum
Thread Quantity Per Inch: 20
Hardness Rating: 36.0 rockwell c minimum and 43.0 rockwell c maximum overall
Minimum Yield Strength: 140000 pounds per square inch
Material: steel comp 2340 or steel comp 3135 or steel comp 4037 or steel comp 4137 or steel comp 4140 or steel comp 4340 or steel comp 8630 or steel comp 8740 or steel overall
Material Document And Classification: qq-s-624 fed spec 1st material response or qq-s-624 fed spec 2nd material response or qq-s-624 fed spec 3rd material response or qq-s-624 fed spec 4th material response or qq-s-624 fed spec 5th material response or qq-s-624 fed spec 6th material response or qq-s-624 fed spec 7th material response or qq-s-624 fed spec 8th material response or qq-s-624,fs9440 fed spec 9th material response overall
Surface Treatment: phosphate overall
Thread Series Designator: unc
Nondefinitive Spec/Std Data: 1 type and 11 style

FAQs

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

What is the FSCG of the NSN 5305-00-057-1263?

The FSCG of the NSN 5305-00-057-1263 is 5305

Does the NSN 5305-00-057-1263 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-057-1263 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 5305-00-057-1263 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-057-1263 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 5305-00-057-1263 was assigned to the Federal Catalog?

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