803-5959304-X-89

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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-330-7572

Item Name Code

16282

Assigment Date

12/08/1990 (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.

1.250 inches nominal fastener length, flat chamfer head style, 1.125 inches nominal thread length, right-hand thread direction, 3a thread class

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: 1.125 inches nominal
Fastener Length: 1.250 inches nominal
Head Style: flat chamfer
Head Diameter: 0.550 inches minimum and 0.562 inches maximum
Head Height: 0.368 inches minimum and 0.375 inches maximum
Locking Feature: pellet or strip or patch threads
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.375 inches
Width Across Flats: 0.312 inches nominal
Thread Quantity Per Inch: 16
Minimum Tensile Strength: 180000 pounds per square inch
Hardness Rating: 39.0 rockwell c minimum and 45.0 rockwell c maximum fastener
Material: plastic polyamide (nylon) locking feature
Material: steel fastener
Material Document And Classification: astm a574 y 2 assn std single material response fastener
Surface Treatment: aluminum and chromate fastener
Surface Treatment Document And Classification: mil-c-83488 ty 2 cl 3 mil spec single treatment response fastener
Thread Series Designator: unrc

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
256-6603687-VHBM-99	Socket Head Cap Screw
5959304-89	Socket Head Cap Screw
803-5959304-X-89	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-330-7572?

The FSCG of the NSN 5305-01-330-7572 is 5305

Does the NSN 5305-01-330-7572 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-330-7572 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 5305-01-330-7572 contain precious materials?

Precious metal content is unknown

Does NSN 5305-01-330-7572 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 5305-01-330-7572 was assigned to the Federal Catalog?

It was assigned 35 years ago, on Sat, Dec 8, 1990