5305-00-451-0188

Find complete technical information, availability, and procurement data for: 5305-00-451-0188
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-451-0188

Item Name Code

22846

Assigment Date

01/02/1970 (56 years ago)

A circular-shaped item designed to maintain predetermined distance between assembled parts and/or for distributing pressure or preventing endwise movement between member parts. It has a solid cross-section and two flat parallel bearing surfaces. The distance between the bearing surfaces perpendicular to the axis of the centrally located hole shall not exceed 25 percent of the outside diameter. The diameter of the centrally located hole must exceed 75 percent of the outside diameter. Excludes:laminated items. For items manufactured from impregnated graphite or lubricated nonmetallic materials, excluding felt or plastics, see gasket. For items manufactured from lubricated plastics, see bearing, washer, thrust. For items manufactured from lubricated felt, see felt, mechanical, preformed. Excludes:disk, valve; insulator washer; and shim. See also spacer, plate and spacer, sleeve.

0.650 inches minimum and 0.660 inches maximum fastener length, 0.202 inches minimum and 0.234 inches maximum thread length, right-hand thread direction, 2a thread class, flat chamfer head style

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: 0.202 inches minimum and 0.234 inches maximum
Fastener Length: 0.650 inches minimum and 0.660 inches maximum
Head Style: flat chamfer
Head Diameter: 0.312 inches minimum and 0.320 inches maximum
Head Height: 0.088 inches minimum and 0.098 inches maximum
Shoulder Diameter: 0.229 inches minimum and 0.234 inches maximum first shoulder
Shoulder Length: 0.401 inches minimum and 0.411 inches maximum first shoulder
Internal Drive Style: slot
Nominal Thread Diameter: 0.164 inches
Thread Quantity Per Inch: 32
Shoulder Shape: round first shoulder
Material: steel comp 1213 overall
Surface Treatment: cadmium and chromate overall
Thread Series Designator: unc

FAQs

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

What is the FSCG of the NSN 5305-00-451-0188?

The FSCG of the NSN 5305-00-451-0188 is 5305

Does the NSN 5305-00-451-0188 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-451-0188 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 5305-00-451-0188 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-451-0188 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 5305-00-451-0188 was assigned to the Federal Catalog?

It was assigned 56 years ago, on Fri, Jan 2, 1970