6391440-1

View detailed technical data, stock status, and sourcing information for: 6391440-1
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-507-7099

Item Name Code

15936

Assigment Date

05/02/2003 (23 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.

has a threaded hole size .250-20unc-2b placed 1.380 inches down from center when slot is level coming in from the left side; edges of washer are chamferred 0.062 inches at 45 degrees; used on asds, tiebar post c-washer special features, 3.500 inches nominal outside diameter, navy special project part name assigned by controlling agency, 0.780 inches nominal hole diameter, 0.380 inches nominal material thickness

Product Characteristics

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

Hole Diameter: 0.780 inches nominal
Outside Diameter: 3.500 inches nominal
Material Thickness: 0.380 inches nominal
Part Name Assigned By Controlling Agency: navy special project
Special Features: has a threaded hole size .250-20unc-2b placed 1.380 inches down from center when slot is level coming in from the left side; edges of washer are chamferred 0.062 inches at 45 degrees; used on asds, tiebar post c-washer
Material: steel corrosion resisting overall
Surface Treatment: passivate overall
Style Designator: slotted

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
6391440	Slotted Washer
6391440-1	Slotted Washer

FAQs

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

What is the FSCG of the NSN 5310-01-507-7099?

The FSCG of the NSN 5310-01-507-7099 is 5310

Does the NSN 5310-01-507-7099 have a Schedule B code assigned?

Yes, the Schedule B code is 7318220000

Does NSN 5310-01-507-7099 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 5310-01-507-7099 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-507-7099 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 5310-01-507-7099 was assigned to the Federal Catalog?

It was assigned 23 years ago, on Fri, May 2, 2003