Tapping Screw

Model / MPN: 20662042 | NSN: 5305-01-243-9396

A hardened externally threaded fastener whose thread extends to the bearing surface of the head. The thread may be fluted or otherwise designed to cut or form its own mating thread. Excludes screw, assembled washer.

Product Details

NATO Stock Number

5305-01-243-9396

Sold in multiples of

1 EA

DEMIL

Fastener Length

Between 0.409 inches and 0.440 inches

Head Style

Hexagon extended washer

Head Height

Between 0.118 inches and 0.141 inches

Width Between Flats

Between 0.244 inches and 0.250 inches

Extended Washer Diameter

Between 0.322 inches and 0.348 inches

Extended Washer Thickness

Between 0.019 inches and 0.031 inches

Internal Drive Style

W/o internal drive

Nonmachine Thread Style

Blunt (type tt)

Nonmachine Thread Diameter

0.164 inches

Material

Steel

Surface Treatment

Dichromate zinc

Surface Treatment Specification

Gm 4342-m cage 16764 mfr ref single treatment response

20662 Series Parts

Pricing and Availability

Send us a request for quote using the form below. Our team will contact you with an up to date pricing and availability quote ASAP.

Certified Quality Assurance

ISO 9001:2015 + AS9120B
Counterfeit Parts Prevention
100% Product Inspections
7 Year Record Retention
On Time Delivery
HAZMAT Certified
Worldwide Shipping

20662042 Cross Reference

1985712