A356A258-101

View detailed technical data, stock status, and sourcing information for: A356A258-101
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5999 Miscellaneous Electrical and Electronic Components

National Stock Number

5999-01-381-4266

Item Name Code

20281

Assigment Date

10/15/1993 (32 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below no. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes:bolt, clevis; bolt, externally relieved body; screw, externally relieved body; and screw, assembled washer. See also, screw, instrument; bolt, machine; bolt, internal wrenching; and screw, cap socket head.

1.125 inches nominal overall width, 1.125 inches nominal overall length, emi cross-sectional shape style, 0.125 inches nominal hole diameter, 0.938 inches nominal aperture 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: emi
Hole Diameter: 0.125 inches nominal
Overall Length: 1.125 inches nominal
Overall Width: 1.125 inches nominal
Aperture Diameter: 0.938 inches nominal
Outside Corner Radius: 0.109 inches nominal
Cross-Sectional Height: 0.032 inches nominal
Bolt Hole Quantity: 4
Environmental Protection Material Location: throughout rf shielding gasket
Material: copper emi/rfi conductor
Material: rubber silicone class q environmental seal
Precious Material And Location: emi/rfi conductive particles silver
Precious Material: silver
Surface Treatment: silver emi/rfi conductor
Style Designator: non-circular

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
30-01-4692-1212	Electronic Shielding Gasket
A356A258-101	Electronic Shielding Gasket

FAQs

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

What is the FSCG of the NSN 5999-01-381-4266?

The FSCG of the NSN 5999-01-381-4266 is 5999

Does the NSN 5999-01-381-4266 have a Schedule B code assigned?

Yes, the Schedule B code is 8543909000

Does NSN 5999-01-381-4266 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 5999-01-381-4266 contain precious materials?

Item contains silver.

Does NSN 5999-01-381-4266 contain hazardous materials?

Indicates there is no information in the hmirs. The nsn is in a fsc in table ii of fed std 313 and a msds may be required by the user. The requirement for a msds is dependent on a hazard determination of the supplier or the intended end use of item.

When the NSN 5999-01-381-4266 was assigned to the Federal Catalog?

It was assigned 32 years ago, on Fri, Oct 15, 1993