10811-20

View detailed technical data, stock status, and sourcing information for: 10811-20
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-007-8451

Item Name Code

06657

Assigment Date

08/10/1975 (51 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).

0.625 inches nominal fastener length, fillister head style, right-hand thread direction, 2a thread class, 0.597 inches minimum and 0.625 inches maximum thread 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: 2a
Thread Direction: right-hand
Thread Length: 0.597 inches minimum and 0.625 inches maximum
Fastener Length: 0.625 inches nominal
Head Style: fillister
Head Diameter: 0.103 inches minimum and 0.118 inches maximum
Head Height: 0.037 inches minimum and 0.046 inches maximum
Internal Drive Style: slot
Nominal Thread Diameter: 0.073 inches
Thread Quantity Per Inch: 72
Screw Material: steel comp 303
Screw Material Document And Classification: qq-s-764 fed spec single material response
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
10811-20	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-007-8451?

The FSCG of the NSN 5305-01-007-8451 is 5305

Does the NSN 5305-01-007-8451 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-007-8451 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 5305-01-007-8451 contain precious materials?

Precious metal content is unknown

Does NSN 5305-01-007-8451 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 5305-01-007-8451 was assigned to the Federal Catalog?

It was assigned 51 years ago, on Sun, Aug 10, 1975