NAS21123-7H

View detailed technical data, stock status, and sourcing information for: NAS21123-7H
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-815-0684

Item Name Code

29294

Assigment Date

01/01/1962 (64 years ago)

0.699 inches minimum and 0.729 inches maximum fastener length, right-hand thread direction, 0.276 inches minimum thread length, 3a thread class, flat chamfer head style

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: 0.276 inches minimum
Fastener Length: 0.699 inches minimum and 0.729 inches maximum
Head Style: flat chamfer
Head Diameter: 0.306 inches minimum and 0.313 inches maximum
Head Height: 0.103 inches minimum and 0.118 inches maximum
Hole Diameter: 0.038 inches nominal
Grip Diameter: 0.1885 inches minimum and 0.1895 inches maximum
Internal Drive Style: offset cruciform (torque set)
Nominal Thread Diameter: 0.190 inches
Grip Length: 0.438 inches nominal
Hole Quantity: 2
Hole Type: drilled
Thread Quantity Per Inch: 32
Minimum Tensile Strength: 160000 pounds per square inch
Hole Configuration Style: round longitudinal hole
Surface Finish: 32.0 microinches bearing surface of head
Surface Finish: 32.0 microinches grip
Surface Finish: 32.0 microinches threads
Material: steel comp 4140 or steel comp e4340 or steel comp 6150 or steel comp 8735 or steel comp 8740 overall
Material Document And Classification: mil-s-5626 mil spec 1st material response or mil-s-5000 mil spec 2nd material response or mil-s-8503 mil spec 3rd material response or mil-s-6098 mil spec 4th material response or mil-s-6049 mil spec 5th material response overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416 ty 2 cl 3 fed spec single treatment response overall
Thread Series Designator: unjf
Specification/Standard Data: 80205-nas1123 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
NAS1123-7H	Close Tolerance Screw
NAS21123-7H	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-00-815-0684?

The FSCG of the NSN 5305-00-815-0684 is 5305

Does the NSN 5305-00-815-0684 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-815-0684 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 5305-00-815-0684 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-815-0684 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 5305-00-815-0684 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962