5305-01-157-2299

Find complete technical information, availability, and procurement data for: 5305-01-157-2299
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-157-2299

Item Name Code

16282

Assigment Date

07/01/1983 (43 years ago)

A nut, flat on top and bottom having 6 flat sides. For items which have internal tapered or straight (parallel) pipe threads, specific electrical conduit size designation, and which when installed, provide a method of tightening to lock the connection, see locknut, electrical conduit. See also locknut, tube fitting. For items having a thickness (or height) exceeding two times the width across the flats, use post, electrical-mechanical equipment. (when height or thickness and/or width across the flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)

1.250 inches nominal thread diameter, 7 thread quantity per inch, steel overall material, zzzy criticality code justification, 4.000 inches nominal 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 Length: 4.000 inches nominal
Nominal Thread Diameter: 1.250 inches
Thread Quantity Per Inch: 7
Criticality Code Justification: zzzy
Material: steel overall
Reference Number Differentiating Characteristics: material will be in accordance with ships parts control center activity hx quality control,manufacturing and testing specifications

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
MSC70011-100 DET 51	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-157-2299?

The FSCG of the NSN 5305-01-157-2299 is 5305

Does the NSN 5305-01-157-2299 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-157-2299 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 5305-01-157-2299 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-157-2299 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 5305-01-157-2299 was assigned to the Federal Catalog?

It was assigned 43 years ago, on Fri, Jul 1, 1983