521-2973

View detailed technical data, stock status, and sourcing information for: 521-2973
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5330 Packing and Gasket Materials

National Stock Number

5330-01-698-6207

Item Name Code

34944

Assigment Date

11/30/2021 (4 years ago)

A high strength, 160,000 pounds per square inch (1100 megapascals) minimum tensile strength externally threaded fastener designed for use in applications involving great shear stress. The head is designed to accommodate an external wrench or driver. The head is not designed to be held or driven with an inserted driver, nor is it designed for rotation by the thumb and fingers. The unthreaded portion is of specific grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001) of an inch (0.025 mm) or less of a specific diameter for items one inch (25 mm) or less in diameter. Items over one inch (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015) of an inch (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001) of an inch (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the screw thread standards, fed std h28 and/or other nationally recognized standards. A locking feature may be incorporated in the design of the head or threads. See bolt, machine and bolt, clevis.

kit-hydraulic cylinder seal part name assigned by controlling agency, 1ea 161-7145 piston seal, 1ea 323-2468 bushing, 1ea 328-2243 seal, 1ea 340-6272 romg-wearing, 1ea 340-9308 o-ring, 1ea 340-9310 o-ring, 1ea 478-4174 seal-wiper special features

Product Characteristics

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

Part Name Assigned By Controlling Agency: kit-hydraulic cylinder seal
Special Features: 1ea 161-7145 piston seal, 1ea 323-2468 bushing, 1ea 328-2243 seal, 1ea 340-6272 romg-wearing, 1ea 340-9308 o-ring, 1ea 340-9310 o-ring, 1ea 478-4174 seal-wiper

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
521-2973	Mecha Seal Replacement Parts Kit

FAQs

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

What is the FSCG of the NSN 5330-01-698-6207?

The FSCG of the NSN 5330-01-698-6207 is 5330

Does the NSN 5330-01-698-6207 have a Schedule B code assigned?

Yes, the Schedule B code is 8484200000

Does NSN 5330-01-698-6207 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 5330-01-698-6207 contain precious materials?

Item does not contain precious metal.

Does NSN 5330-01-698-6207 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 5330-01-698-6207 was assigned to the Federal Catalog?

It was assigned 4 years ago, on Tue, Nov 30, 2021