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580R864H14

View detailed technical data, stock status, and sourcing information for: 580R864H14

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580R864H14
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-00-066-7326
Item Name Code
06657
Assigment Date
01/01/1963 (63 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below no. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes:bolt, clevis; bolt, externally relieved body; screw, externally relieved body; and screw, assembled washer. See also, screw, instrument; bolt, machine; bolt, internal wrenching; and screw, cap socket head.

0.188 inches minimum and 0.250 inches maximum thread length, 0.219 inches minimum and 0.250 inches maximum fastener length, flat countersunk head style, right-hand thread direction, 2a 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
2a
Thread Direction
right-hand
Thread Length
0.188 inches minimum and 0.250 inches maximum
Fastener Length
0.219 inches minimum and 0.250 inches maximum
Head Style
flat countersunk
Head Diameter
0.238 inches minimum and 0.279 inches maximum
Internal Drive Style
cross recess type 1
Nominal Thread Diameter
0.138 inches
Thread Quantity Per Inch
32
Minimum Tensile Strength
80000 pounds per square inch
Countersink Angle
99.0 degrees minimum and 101.0 degrees maximum
Screw Material
steel comp 302 or steel comp 303 or steel comp 304
Screw Material Document And Classification
66 fed std all material responses
Screw Surface Treatment
passivate
Thread Series Designator
unc

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
5305-00-080-6502 No Name Available 09/01/2023
5305-00-143-2037 No Name Available 06/04/2008
5305-00-606-9159 No Name Available 06/01/1976
5305-00-618-2181 No Name Available 03/01/1978
5305-00-843-0088 No Name Available 09/08/1967

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FAQs

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

What is the FSCG of the NSN 5305-00-066-7326?
The FSCG of the NSN 5305-00-066-7326 is 5305
Does the NSN 5305-00-066-7326 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-066-7326 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 5305-00-066-7326 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-066-7326 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 5305-00-066-7326 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

Professional Distribution

Certified to meet the strict requirements of defense, aerospace, and hazardous materials distribution.

  • ITAR Registered
  • DDTC Registered
  • HAZMAT Certified
  • AS9120 Quality Standards
  • 100% Quality Inspections

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Pricing

Submit your request below and our team will respond quickly with up-to-date pricing, delivery estimates, and stock information:

ITAR Registered

In Stock

This item is currently available and ready for prompt shipment. Units may be offered in various conditions — new, surplus, or refurbished — and stored at verified global facilities. Request a quote to confirm current stock and delivery time.

New Material 66,033
New Surplus 5,278
Serviceable 63
As Removed 5
Overhauled 10
Total 71,389
Availability of this item was last updated on: 11/12/2025 02:11 PM EST. Stock levels and pricing are subject to change.

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