5305-00-256-6736

Find complete technical information, availability, and procurement data for: 5305-00-256-6736
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-256-6736

Item Name Code

22846

Assigment Date

03/17/1971 (55 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.

right-hand thread direction, 0.284 inches minimum and 0.314 inches maximum thread length, 1.964 inches minimum and 2.049 inches maximum fastener length, fillister 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: 0.284 inches minimum and 0.314 inches maximum
Fastener Length: 1.964 inches minimum and 2.049 inches maximum
Head Style: fillister
Head Diameter: 0.527 inches minimum and 0.597 inches maximum
Head Height: 0.140 inches minimum and 0.160 inches maximum
Shoulder Diameter: 0.372 inches minimum and 0.373 inches maximum first shoulder
Shoulder Length: 1.505 inches minimum and 1.510 inches maximum first shoulder
Internal Drive Style: slot
End Item Identification: kidd class ddg; gun, 5-in./54 cal, mk-42 & 45; wasp class lhd; fms build frigates class ships; ticonderoga class cg (47); spruance class dd (963); arleigh burke class ddg
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 28
Minimum Tensile Strength: 190000 pounds per square inch
Minimum Yield Strength: 170000 pounds per square inch
Shoulder Shape: round first shoulder
Material: steel corrosion resisting overall
Material Document And Classification: ams 5643 assn std single material response overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: mil-s-5002 mil spec single treatment response overall
Thread Series Designator: unf

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
2637505PC87	Shoulder Screw

FAQs

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

What is the FSCG of the NSN 5305-00-256-6736?

The FSCG of the NSN 5305-00-256-6736 is 5305

Does the NSN 5305-00-256-6736 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-256-6736 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 5305-00-256-6736 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-256-6736 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 5305-00-256-6736 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Wed, Mar 17, 1971