5305-01-060-8683

Find complete technical information, availability, and procurement data for: 5305-01-060-8683
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-060-8683

Item Name Code

06657

Assigment Date

06/04/1978 (48 years ago)

A circular, single or multipiece item, metallic or nonmetallic in composition, designed to be fitted in a circumferential groove in a piston and to spring outward against the cylinder wall to function as a seal or wiper. It is supplied in various cross-sectional shapes and is cut through at one point to allow for installation in the piston ring groove. It may include an expander. Excludes:packing, preformed; retainer, oil seal; retainer, packing; ring, retaining; ring wiper; and seal ring, metal.

2a thread class, 0.640 inches nominal thread length, right-hand thread direction, 0.656 inches minimum and 0.687 inches maximum fastener length, pan no. 2 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: 0.640 inches nominal
Fastener Length: 0.656 inches minimum and 0.687 inches maximum
Head Style: pan no. 2
Head Diameter: 0.176 inches nominal
Head Height: 0.029 inches minimum and 0.033 inches maximum
Internal Drive Style: slot
Nominal Thread Diameter: 0.112 inches
Thread Quantity Per Inch: 40
Screw Material: steel comp 303
Screw Material Document And Classification: qq-s-764 fed spec single material response
Thread Series Designator: unc

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
162044-01	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-060-8683?

The FSCG of the NSN 5305-01-060-8683 is 5305

Does the NSN 5305-01-060-8683 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-060-8683 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 5305-01-060-8683 contain precious materials?

Precious metal content is unknown

Does NSN 5305-01-060-8683 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 5305-01-060-8683 was assigned to the Federal Catalog?

It was assigned 48 years ago, on Sun, Jun 4, 1978