91252A253

View detailed technical data, stock status, and sourcing information for: 91252A253
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-332-7222

Item Name Code

16282

Assigment Date

01/16/1991 (35 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, flat chamfer head style, 0.785 inches minimum thread length, right-hand thread direction, 2.000 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: 3a
Thread Direction: right-hand
Thread Length: 0.785 inches minimum
Fastener Length: 2.000 inches nominal
Head Style: flat chamfer
Head Diameter: 0.303 inches minimum and 0.312 inches maximum
Head Height: 0.185 inches minimum and 0.190 inches maximum
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.190 inches
Width Across Flats: 0.156 inches nominal
Thread Quantity Per Inch: 32
Minimum Tensile Strength: 180000 pounds per square inch
Hardness Rating: 39.0 rockwell c minimum and 45.0 rockwell c maximum overall
Color: black overall
Material: steel overall
Material Document And Classification: sae gr 8 assn std single material response overall
Surface Treatment: oxide overall
Thread Series Designator: unf

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
91252A253	Socket Head Cap Screw
92196A279	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-332-7222?

The FSCG of the NSN 5305-01-332-7222 is 5305

Does the NSN 5305-01-332-7222 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-332-7222 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 5305-01-332-7222 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-332-7222 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 5305-01-332-7222 was assigned to the Federal Catalog?

It was assigned 35 years ago, on Wed, Jan 16, 1991