5305-01-414-7520

Find complete technical information, availability, and procurement data for: 5305-01-414-7520
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-414-7520

Item Name Code

29294

Assigment Date

06/14/1995 (31 years ago)

An internally threaded item with a cylindrical and/or square, hexagonal, octagonal, or dodecagonal outer periphery (parallel to the threaded axis) a portion(s) of which may or may not be enlarged, forming a flange(s) and/or shoulder(s). Items not having an enlarged outer portion may be threaded, a part of the full length, or tapped from both ends. Items having an enlarged outer portion (flange(s) or shoulder(s)) may be threaded the full length, threaded a part of the full length, or tapped from both ends. Items tapped from both ends shall have either right-hand threads on both ends or left-hand threads on both ends. For items conforming to any of the above and having a length overall exceeding two times the largest outside diameter or width across flats, use post, electrical-mechanical equipment. For items with an outside contour that is the same the full length, having a continuous thread through its entire length, and the length does not exceed two times the diameter or width across the flats use nut (1), plain (as modified). Excludes:nut (1), plain, cap. See also turnbuckle body.

3a thread class, 0.308 inches minimum thread length, right-hand thread direction, flat countersunk head style, 1.793 inches minimum and 1.813 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: 0.308 inches minimum
Fastener Length: 1.793 inches minimum and 1.813 inches maximum
Head Style: flat countersunk
Head Diameter: 0.449 inches minimum and 0.507 inches maximum
Locking Feature: detent ball grip
Grip Diameter: 0.2487 inches minimum and 0.2492 inches maximum
Internal Drive Style: offset cruciform (torque set)
Nominal Thread Diameter: 0.250 inches
Grip Length: 1.377 inches minimum
Thread Quantity Per Inch: 28
Hardness Rating: 43.0 rockwell c minimum and 47.0 rockwell c maximum fastener
Hardness Rating: 50.0 rockwell c minimum and 62.0 rockwell c maximum spring
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
Part Name Assigned By Controlling Agency: navy special project
Material: steel comp 440c locking feature
Material: steel comp 631 or steel comp 302 spring
Material: steel comp xm-13 fastener
Material Document And Classification: ams 5629 assn std single material response fastener
Material Document And Classification: ams 5673 assn std single material response or qq-w-423, cond b fed spec single material response spring
Material Document And Classification: qq-s-763 fed spec single material response locking feature
Surface Treatment: passivate overall
Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response overall
Thread Series Designator: unjf

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
GB510CG4-22	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-01-414-7520?

The FSCG of the NSN 5305-01-414-7520 is 5305

Does the NSN 5305-01-414-7520 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-414-7520 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 5305-01-414-7520 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-414-7520 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 5305-01-414-7520 was assigned to the Federal Catalog?

It was assigned 31 years ago, on Wed, Jun 14, 1995