4M307-4-19

View detailed technical data, stock status, and sourcing information for: 4M307-4-19
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-294-8707

Item Name Code

13393

Assigment Date

02/23/1989 (37 years ago)

A deformable material which prevents the passage of matter through the joint formed when two faces are joined. It may be metallic or nonmetallic, lubricated or impregnated, solid or hollow cross section. It may be made to any predetermined dimension and shape. Excludes:flat disks, items made of felt material and items having joints. For round metal and plastic items with an aperture and a solid rectangular cross section, see washer, flat; shim; bearing, washer, thrust; and spacer ring. Excludes:disk, valve; seal, nonmetallic angle; seal, nonmetallic channel; seal, nonmetallic special shaped section; shielding gasket, electronic; and ring, sealing jar.

0.287 inches minimum and 0.307 inches maximum hole diameter, round peripheral shape style, 0.023 inches minimum and 0.027 inches maximum thickness, round center hole shape style, rectangular cross-sectional shape style

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: 0.287 inches minimum and 0.307 inches maximum
Peripheral Shape Style: round
Center Hole Shape Style: round
Thickness: 0.023 inches minimum and 0.027 inches maximum
Overall Diameter: 1.599 inches minimum and 1.619 inches maximum
Material: aluminum alloy 6061 overall
Material Document And Classification: qq-a-250/11,t6 fed spec single material response overall
Surface Treatment: chromate overall
Surface Treatment Document And Classification: mil-c-5541,class 3 mil spec single treatment response overall
Supplementary Features: used with st7m349 and 9m919 seals,cagec 76301

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
4M307-4-19	Flat Washer

FAQs

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

What is the FSCG of the NSN 5310-01-294-8707?

The FSCG of the NSN 5310-01-294-8707 is 5310

Does the NSN 5310-01-294-8707 have a Schedule B code assigned?

Yes, the Schedule B code is 7616108000

Does NSN 5310-01-294-8707 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 5310-01-294-8707 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-294-8707 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 5310-01-294-8707 was assigned to the Federal Catalog?

It was assigned 37 years ago, on Thu, Feb 23, 1989