5305-01-027-6262

Find complete technical information, availability, and procurement data for: 5305-01-027-6262
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-027-6262

Item Name Code

22846

Assigment Date

09/19/1976 (49 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.

flat chamfer head style, 0.625 inches nominal fastener length, 2a thread class, right-hand thread direction, 0.500 inches nominal 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: 2a
Thread Direction: right-hand
Thread Length: 0.500 inches nominal
Fastener Length: 0.625 inches nominal
Head Style: flat chamfer
Head Diameter: 0.250 inches nominal
Head Height: 0.134 inches minimum and 0.138 inches maximum
Shoulder Diameter: 0.153 inches minimum and 0.155 inches maximum first shoulder
Shoulder Length: 0.125 inches nominal first shoulder
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.138 inches
Width Across Flats: 0.109 inches minimum and 0.111 inches maximum
Thread Quantity Per Inch: 32
Hardness Rating: 25.0 rockwell c minimum and 31.0 rockwell c maximum overall
Shoulder Shape: round first shoulder
Material Document And Classification: ams 5613 assn std single material response overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: sp-151 fscm 66503 mfr ref single treatment response 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
3367-060	Shoulder Screw

FAQs

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

What is the FSCG of the NSN 5305-01-027-6262?

The FSCG of the NSN 5305-01-027-6262 is 5305

Does NSN 5305-01-027-6262 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 5305-01-027-6262 contain precious materials?

Precious metal content is unknown

Does NSN 5305-01-027-6262 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 5305-01-027-6262 was assigned to the Federal Catalog?

It was assigned 49 years ago, on Sun, Sep 19, 1976