5305-01-051-8037

Find complete technical information, availability, and procurement data for: 5305-01-051-8037
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-051-8037

Item Name Code

18257

Assigment Date

12/05/1977 (48 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in.) (1.5 mm) or larger. It has a round unthreaded neck or shank all or part of which is of greater diameter than the threaded portion. The head is designed to be driven with either a wrench or an inserted driver or both in sizes below no. 10 (0.190 in.) (5 mm) nominal diameter. No. 10 (0.190 in.) (5 mm) and larger sizes must be designed for any type of inserted driver, but may also provide for external wrenching of the head. A locking feature may be incorporated in the design of the head or threads. For items which are both shouldered and have an externally relieved body, use screw, externally relieved body. For items with a no. 10 (0.190 in.) (5 mm) or larger thread diameter without an inserted driver head, use bolt, shoulder. Excludes:bolt, internal wrenching and screw, cap, socket head.

5.406 inches minimum and 5.500 inches maximum fastener length, right-hand thread direction, 2a thread class, 1.500 inches minimum and 1.688 inches maximum thread length, 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: 1.500 inches minimum and 1.688 inches maximum
Fastener Length: 5.406 inches minimum and 5.500 inches maximum
Head Style: hexagon
Head Height: 0.378 inches minimum and 0.403 inches maximum
Width Between Flats: 0.922 inches minimum and 0.938 inches maximum
Shank Unthreaded Hole Diameter: 0.138 inches minimum and 0.146 inches maximum first hole
Nominal Thread Diameter: 0.625 inches
Thread Quantity Per Inch: 18
Minimum Tensile Strength: 120000 pounds per square inch
Hardness Rating: 25.0 rockwell c minimum and 34.0 rockwell c maximum overall
Distance From Head Largest Bearing Surface To Shank Hole Center: 5.208 inches minimum and 5.322 inches maximum first hole
Surface Finish: 32.0 microinches threads
Material: steel comp 1013 or steel comp 1015 or steel comp 1016 or steel comp 1017 or steel comp 1018 or steel comp 1019 or steel comp 1020 or steel comp 1021 or steel comp 1022 or steel comp 1023 or steel comp 1524 or steel comp 1025 or steel comp 1026 or steel comp 1527 or steel comp 1029 or steel comp 1030 or steel comp 1033 or steel comp 1034 or steel comp 1035 or steel comp 1536 or steel comp 1037 or steel comp 1038 or steel comp 1039 or steel comp 1040 or steel comp 1541 overall
Material Document And Classification: sae assn std all material responses overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416 ty 2 cl 2 fed spec single treatment response overall
Thread Series Designator: unf
Nondefinitive Spec/Std Data: 2 type and 10p style and 5 grade

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
MS51106-452	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-051-8037?

The FSCG of the NSN 5305-01-051-8037 is 5305

Does the NSN 5305-01-051-8037 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-051-8037 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 5305-01-051-8037 contain precious materials?

Precious metal content is unknown

Does NSN 5305-01-051-8037 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 5305-01-051-8037 was assigned to the Federal Catalog?

It was assigned 48 years ago, on Mon, Dec 5, 1977