SC-B-99558

View detailed technical data, stock status, and sourcing information for: SC-B-99558
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-071-6419

Item Name Code

13393

Assigment Date

02/13/1979 (47 years ago)

An internally threaded item with a cylindrical and/or square, hexagonal, octagonal, or dodecagonal outer periphery (parallel to the threaded axis) a portion(s) of which may or may not be enlarged, forming a flange(s) and/or shoulder(s). Items not having an enlarged outer portion may be threaded, a part of the full length, or tapped from both ends. Items having an enlarged outer portion (flange(s) or shoulder(s)) may be threaded the full length, threaded a part of the full length, or tapped from both ends. Items tapped from both ends shall have either right-hand threads on both ends or left-hand threads on both ends. For items conforming to any of the above and having a length overall exceeding two times the largest outside diameter or width across flats, use post, electrical-mechanical equipment. For items with an outside contour that is the same the full length, having a continuous thread through its entire length, and the length does not exceed two times the diameter or width across the flats use nut (1), plain (as modified). Excludes:nut (1), plain, cap. See also turnbuckle body.

round peripheral shape style, round center hole shape style, 0.128 inches nominal thickness, rectangular cross-sectional shape style, 1.531 inches nominal hole diameter

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Cross-Sectional Shape Style: rectangular
Hole Diameter: 1.531 inches nominal
Peripheral Shape Style: round
Center Hole Shape Style: round
Thickness: 0.128 inches nominal
Overall Diameter: 2.188 inches nominal
Material: copper alloy overall

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
SC-B-99558	Flat Washer

FAQs

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

What is the FSCG of the NSN 5310-01-071-6419?

The FSCG of the NSN 5310-01-071-6419 is 5310

Does the NSN 5310-01-071-6419 have a Schedule B code assigned?

Yes, the Schedule B code is 7415210000

Does NSN 5310-01-071-6419 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 5310-01-071-6419 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-071-6419 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 5310-01-071-6419 was assigned to the Federal Catalog?

It was assigned 47 years ago, on Tue, Feb 13, 1979