1225255-34

View detailed technical data, stock status, and sourcing information for: 1225255-34
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-995-8989

Item Name Code

16282

Assigment Date

01/01/1962 (64 years ago)

3a thread class, 0.560 inches minimum and 0.590 inches maximum thread length, flat chamfer head style, 0.610 inches minimum and 0.640 inches maximum fastener length, right-hand thread direction

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: 0.560 inches minimum and 0.590 inches maximum
Fastener Length: 0.610 inches minimum and 0.640 inches maximum
Head Style: flat chamfer
Head Diameter: 0.176 inches minimum and 0.183 inches maximum
Head Height: 0.108 inches minimum and 0.112 inches maximum
Locking Feature: patch or pellet or strip threads
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.112 inches
Width Across Flats: 0.094 inches minimum and 0.095 inches maximum
Thread Quantity Per Inch: 40
Minimum Tensile Strength: 80000 pounds per square inch
Hardness Rating: 80.0 rockwell b minimum overall
Minimum Yield Strength: 30000 pounds per square inch
Material: steel corrosion resisting overall
Material Document And Classification: 66 fed std single material response overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: qq-s-35 fed spec single treatment response overall
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Below is a list of NSNs that have been officially superseded by this NSN: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
5305-00-240-0213	No Name Available	10/01/1982

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
1225255-34	Socket Head Cap Screw
LK21295-33	Socket Head Cap Screw
MS21295-33	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-995-8989?

The FSCG of the NSN 5305-00-995-8989 is 5305

Does the NSN 5305-00-995-8989 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-995-8989 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 5305-00-995-8989 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-995-8989 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 5305-00-995-8989 was assigned to the Federal Catalog?

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