5305-01-127-8490

Find complete technical information, availability, and procurement data for: 5305-01-127-8490
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-127-8490

Item Name Code

16282

Assigment Date

03/10/1982 (44 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, flat chamfer head style, 0.190 inches minimum and 0.260 inches maximum thread length, right-hand thread direction, 0.240 inches minimum and 0.260 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: 0.190 inches minimum and 0.260 inches maximum
Fastener Length: 0.240 inches minimum and 0.260 inches maximum
Head Style: flat chamfer
Head Diameter: 0.178 inches minimum and 0.183 inches maximum
Head Height: 0.109 inches minimum and 0.112 inches maximum
Hole Diameter: 0.034 inches minimum and 0.042 inches maximum
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.112 inches
Width Across Flats: 0.078 inches minimum and 0.079 inches maximum
Hole Quantity: 2
Hole Type: drilled
Thread Quantity Per Inch: 40
Hole Configuration Style: round internal hexagon
Surface Finish: 32.0 microinches threads
Surface Finish: 63.0 microinches bearing surface of head
Material: iron alloy 660 overall
Material Document And Classification: ams 5731 assn std single material response overall
Thread Series Designator: unjc

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
10115158	Socket Head Cap Screw
R1430P001L	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-127-8490?

The FSCG of the NSN 5305-01-127-8490 is 5305

Does the NSN 5305-01-127-8490 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-127-8490 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 5305-01-127-8490 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-127-8490 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 5305-01-127-8490 was assigned to the Federal Catalog?

It was assigned 44 years ago, on Wed, Mar 10, 1982