5305-00-221-1410

Find complete technical information, availability, and procurement data for: 5305-00-221-1410
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-221-1410

Item Name Code

06657

Assigment Date

02/14/1969 (57 years ago)

An item designed to fit over a packing gland by mating with a surface of a second part which together will retain into a narrow groove or confined space the packing, preformed or o-ring, or an item designed to fit over a rod or shaft, to mate with a stuffing box to confine packing material. It may function as a static or dynamic seal retainer with the packing located on, around, or in the centerline direction of the rod or shaft axis. It may have holes or joints for mounting, be threaded or unthreaded. See also packing nut and packing nut, stuffing tube.

2a thread class, 0.240 inches minimum and 0.291 inches maximum thread length, pan no. 2 head style, right-hand thread direction, 0.271 inches minimum and 0.291 inches maximum fastener 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: 0.240 inches minimum and 0.291 inches maximum
Fastener Length: 0.271 inches minimum and 0.291 inches maximum
Head Style: pan no. 2
Head Diameter: 0.177 inches minimum and 0.183 inches maximum
Head Height: 0.057 inches minimum and 0.063 inches maximum
Internal Drive Style: slot
Nominal Thread Diameter: 0.099 inches
Thread Quantity Per Inch: 56
Screw Material: copper alloy
Screw Material Document And Classification: qq-b-626 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
M1668	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-00-221-1410?

The FSCG of the NSN 5305-00-221-1410 is 5305

Does the NSN 5305-00-221-1410 have a Schedule B code assigned?

Yes, the Schedule B code is 7415338550

Does NSN 5305-00-221-1410 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 5305-00-221-1410 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-221-1410 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 5305-00-221-1410 was assigned to the Federal Catalog?

It was assigned 57 years ago, on Fri, Feb 14, 1969