5032918 PIECE 253

View detailed technical data, stock status, and sourcing information for: 5032918 PIECE 253
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-215-1361

Item Name Code

18257

Assigment Date

08/22/1985 (40 years ago)

An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. The threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. The thread length being the controlled dimension, the grip length is not specified. A locking feature may be incorporated in the design of the head or threads. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. Excludes:bolt,machine; bolt,externally relieved body; bolt,internal wrenching; and screw,cap,socket head.

1.318 inches minimum and 1.500 inches maximum thread length, 2a thread class, 4.400 inches minimum and 4.500 inches maximum fastener length, right-hand thread direction, hexagon 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: 2a
Thread Direction: right-hand
Thread Length: 1.318 inches minimum and 1.500 inches maximum
Fastener Length: 4.400 inches minimum and 4.500 inches maximum
Head Style: hexagon
Head Height: 0.378 inches minimum and 0.403 inches maximum
Width Between Flats: 0.9220 inches minimum and 0.9375 inches maximum
Nominal Thread Diameter: 0.625 inches
Thread Quantity Per Inch: 11
Minimum Tensile Strength: 80000 pounds per square inch
Minimum Yield Strength: 40000 pounds per square inch
Surface Finish: 63.0 microinches threads
Material: nickel alloy 400 overall
Material Document And Classification: qq-n-281,class a fed spec single material response overall
Thread Series Designator: unc
Nondefinitive Spec/Std Data: 2 type and 10p style

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
5032743 PIECE 333	Hexagon Head Cap Screw
5032918 PIECE 253	Hexagon Head Cap Screw
MS35311-174	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-215-1361?

The FSCG of the NSN 5305-01-215-1361 is 5305

Does the NSN 5305-01-215-1361 have a Schedule B code assigned?

Yes, the Schedule B code is 7508900000

Does NSN 5305-01-215-1361 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 5305-01-215-1361 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-215-1361 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 5305-01-215-1361 was assigned to the Federal Catalog?

It was assigned 40 years ago, on Thu, Aug 22, 1985