5305-01-277-9901

Find complete technical information, availability, and procurement data for: 5305-01-277-9901
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-277-9901

Item Name Code

16282

Assigment Date

04/29/1988 (38 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes:items with bevel (conical) heads. See bolt, internal wrenching. Excludes:screw, shoulder; and screw, machine.

3a thread class, fillister head style, right-hand thread direction, 1.000 inches nominal thread length, 0.985 inches minimum and 1.031 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: 1.000 inches nominal
Fastener Length: 0.985 inches minimum and 1.031 inches maximum
Head Style: fillister
Head Diameter: 0.921 inches minimum and 0.937 inches maximum
Head Height: 0.616 inches minimum and 0.625 inches maximum
Locking Feature: patch threads
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.625 inches
Width Across Flats: 0.500 inches minimum and 0.505 inches maximum
Thread Quantity Per Inch: 18
Minimum Tensile Strength: 16000 pounds per square inch
Hardness Rating: 36.0 rockwell c minimum and 43.0 rockwell c maximum overall
Material: steel overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: qq-p-416,ty 11,cl 3 mil std single treatment response overall
Thread Series Designator: unf
Specification/Standard Data: 96906-ms21262-61 government 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
MS21262-61	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-277-9901?

The FSCG of the NSN 5305-01-277-9901 is 5305

Does the NSN 5305-01-277-9901 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-277-9901 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 5305-01-277-9901 contain precious materials?

Precious metal content is unknown

Does NSN 5305-01-277-9901 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 5305-01-277-9901 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Fri, Apr 29, 1988