5305-00-551-1925

Find complete technical information, availability, and procurement data for: 5305-00-551-1925
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-551-1925

Item Name Code

16282

Assigment Date

10/20/1974 (51 years ago)

A color free item of transparent or translucent material, usually optical glass, having specific light dispersive and refractive properties. This item must have two plane-parallel surfaces and is designed for use in an optical instrument to provide a barrier to foreign matter and/or permit light transmission in or to the optical system.

0.234 inches minimum and 0.266 inches maximum fastener length, right-hand thread direction, 0.250 inches nominal thread length, flat chamfer head style, 3a 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: 3a
Thread Direction: right-hand
Thread Length: 0.250 inches nominal
Fastener Length: 0.234 inches minimum and 0.266 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: 0.093 inches minimum and 0.095 inches maximum
Thread Quantity Per Inch: 40
Minimum Tensile Strength: 180000 pounds per square inch
Hardness Rating: 38.0 rockwell c minimum and 45.0 rockwell c maximum overall
Minimum Yield Strength: 155000 pounds per square inch
Material: plastic polyamide (nylon) locking feature
Material: steel fastener
Surface Treatment: cadmium and chromate fastener
Surface Treatment Document And Classification: qq-p-416,type 2 class 2 fed spec single treatment response fastener
Thread Series Designator: unrc
Specification/Standard Data: 80205-nas1352 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
LK1352-04LE4P	Socket Head Cap Screw
NAS1352-04LE4P	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-551-1925?

The FSCG of the NSN 5305-00-551-1925 is 5305

Does the NSN 5305-00-551-1925 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-551-1925 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 5305-00-551-1925 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-551-1925 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 5305-00-551-1925 was assigned to the Federal Catalog?

It was assigned 51 years ago, on Sun, Oct 20, 1974