5305-01-412-8687

Find complete technical information, availability, and procurement data for: 5305-01-412-8687
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-412-8687

Item Name Code

29294

Assigment Date

04/30/1995 (31 years ago)

A rigid metallic item, generally circular. It may be formed of segmented arcs. It is designed to prevent leakage of air in an engine, gas turbine, aircraft. It may be of various cross-sectional shapes. It may have mounting facilities. It may act as a spacer but its primary function is as an air seal.

0.425 inches nominal thread length, right-hand thread direction, flat countersunk head style, 3a thread class, 1.409 inches minimum and 1.456 inches maximum fastener length

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: 0.425 inches nominal
Fastener Length: 1.409 inches minimum and 1.456 inches maximum
Head Style: flat countersunk
Head Diameter: 0.462 inches minimum and 0.567 inches maximum
Grip Diameter: 0.2681 inches minimum and 0.2807 inches maximum
Internal Drive Style: torque-set ribbed
Nominal Thread Diameter: 0.250 inches
Grip Length: 0.990 inches minimum and 1.010 inches maximum
Thread Quantity Per Inch: 28
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Surface Finish: 32.0 microinches bearing surface of head
Surface Finish: 32.0 microinches grip
Surface Finish: 32.0 microinches threads
Material: nickel alloy 718 overall
Material Document And Classification: ams 5662 assn std single material response overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response overall
Thread Series Designator: unjf

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5305-01-195-7949	No Name Available	03/01/2005

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
124379-4-16	Close Tolerance Screw
GB510FG4-16	Close Tolerance Screw
PBF1474-4-16	Close Tolerance Screw
VCL0009-4-16	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-01-412-8687?

The FSCG of the NSN 5305-01-412-8687 is 5305

Does the NSN 5305-01-412-8687 have a Schedule B code assigned?

Yes, the Schedule B code is 7508900000

Does NSN 5305-01-412-8687 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 5305-01-412-8687 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-412-8687 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 5305-01-412-8687 was assigned to the Federal Catalog?

It was assigned 31 years ago, on Sun, Apr 30, 1995