5305-01-421-2922

Find complete technical information, availability, and procurement data for: 5305-01-421-2922
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-421-2922

Item Name Code

06657

Assigment Date

11/04/1995 (30 years ago)

A tubular shaped item with a round or hexagon peripheral shape having two flat bearing surfaces perpendicular to the axis of the centrally located hole. It is designed to maintain a predetermined distance between assembled parts. The item may be with or without flange(s) of any peripheral shape. The overall length must exceed 25 percent of the outside diameter or distance across peripheral flats of the body. (when the length, outside diameter, and/or distance across peripheral flats are designed as a tolerance, the maximum dimension will be used to determine compliance). For items having other than a round or hexagon peripheral shape, see spacer, plate. Excludes:items with lubricating features, see bearing, sleeve and bushing, sleeve. See also bushing, tapered; spacer, ring; washer, flat; and washer, (as modified).

1.125 inches minimum and 1.187 inches maximum fastener length, flat countersunk head style, 3a thread class, 1.075 inches maximum 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: 1.075 inches maximum
Fastener Length: 1.125 inches minimum and 1.187 inches maximum
Head Style: flat countersunk
Head Diameter: 0.177 inches minimum and 0.225 inches maximum
Internal Drive Style: torque set
Nominal Thread Diameter: 0.112 inches
Thread Quantity Per Inch: 40
Minimum Tensile Strength: 160000 pounds per square inch
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Screw Material: titanium alloy uns r56400
Screw Material Document And Classification: ams 4928 assn std single material response or ams 4967 assn std single material response
Bearing Surface Of Head Surface Finish: 32.0 microinches
Thread Surface Finish: 32.0 microinches
Thread Series Designator: unjc
Specification/Standard Data: 80205-nas1189 professional/industrial association standard

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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
NAS1189V4T18	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-421-2922?

The FSCG of the NSN 5305-01-421-2922 is 5305

Does the NSN 5305-01-421-2922 have a Schedule B code assigned?

Yes, the Schedule B code is 8108908000

Does NSN 5305-01-421-2922 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 5305-01-421-2922 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-421-2922 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 5305-01-421-2922 was assigned to the Federal Catalog?

It was assigned 30 years ago, on Sat, Nov 4, 1995