5305-01-366-1890

Find complete technical information, availability, and procurement data for: 5305-01-366-1890
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-366-1890

Item Name Code

16282

Assigment Date

10/22/1992 (33 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.

3a thread class, 1.000 inches nominal fastener length, flat chamfer head style, 1.000 inches nominal thread length, right-hand thread direction

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: 1.000 inches nominal
Head Style: flat chamfer
Head Diameter: 0.365 inches minimum and 0.375 inches maximum
Head Height: 0.244 inches minimum and 0.250 inches maximum
Hole Diameter: 0.044 inches minimum and 0.050 inches maximum
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.250 inches
Width Across Flats: 0.188 inches minimum and 0.190 inches maximum
Hole Quantity: 6
Hole Type: drilled
Thread Quantity Per Inch: 28
Minimum Tensile Strength: 160000 pounds per square inch
Hardness Rating: 33.0 rockwell c minimum and 43.0 rockwell c maximum overall
Minimum Yield Strength: 120000 pounds per square inch
Hole Configuration Style: round internal hexagon
Material: iron alloy 660 overall
Material Document And Classification: ams5731 assn std single material response and ams5737 assn std single material response overall
Surface Treatment: cadmium overall
Thread Series Designator: unrf
Specification/Standard Data: 80205-nas1351 professional/industrial association 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
10113771	Socket Head Cap Screw
BACS12HL4AH10	Socket Head Cap Screw
NAS1351N4H10P	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-366-1890?

The FSCG of the NSN 5305-01-366-1890 is 5305

Does the NSN 5305-01-366-1890 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-366-1890 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 5305-01-366-1890 contain precious materials?

Precious metal content is unknown

Does NSN 5305-01-366-1890 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 5305-01-366-1890 was assigned to the Federal Catalog?

It was assigned 33 years ago, on Thu, Oct 22, 1992