5305-01-276-7028

Find complete technical information, availability, and procurement data for: 5305-01-276-7028
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-276-7028

Item Name Code

06657

Assigment Date

04/13/1988 (38 years ago)

0.148 inches minimum and 0.221 inches maximum thread length, 0.220 inches minimum and 0.250 inches maximum fastener length, right-hand thread direction, 0.143 inches minimum and 0.172 inches maximum head diameter, 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: 0.148 inches minimum and 0.221 inches maximum
Fastener Length: 0.220 inches minimum and 0.250 inches maximum
Head Diameter: 0.143 inches minimum and 0.172 inches maximum
Locking Feature: patch or pellet or strip
Internal Drive Style: cross recess type 1
Nominal Thread Diameter: 0.086 inches
Thread Quantity Per Inch: 56
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Special Features: material: steel comp 321 or steel comp 347 or steel comp 302 overall; surface treatment: passivate overall; material document and classification: qq-s-763 fed spec 1st material response or mil-s-7720 mil spec 2nd material response or mil-s-7720 mil spec 3rd material response overall; head style: flat countersunk; surface treatment document and classification: qq-p-35 fed spec single treatment response overall
Thread Series Designator: unc
Specification/Standard Data: 80205-nas662 professional/industrial association standard

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
NAS662C2LER4	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-276-7028?

The FSCG of the NSN 5305-01-276-7028 is 5305

Does NSN 5305-01-276-7028 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 5305-01-276-7028 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-276-7028 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 5305-01-276-7028 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Wed, Apr 13, 1988