Self-locking Stud

Model / MPN: 66552-.040-20-12 | NSN: 5307-01-357-7832

A headed fastener threaded externally on a portion or on the full length of the shank. The head has projections on the underside or periphery, or is otherwise designed to be mechanically pressed and embedded in a metallic panel, or the like. It is securely locked in position by the displaced metal. For items that require locking rings, see bolt, self-locking and stud, locked in. Excludes insert, screw thread.

Product Details

NATO Stock Number

5307-01-357-7832

Sold in multiples of

DEMIL

Thread Class

2a nut thread

Thread Direction

Right-hand nut thread

Thread Length

Between 0.609 inches and 0.641 inches

Head Diameter

Between 0.155 inches and 0.159 inches

Head Length

Between 0.034 inches and 0.042 inches

Locking Feature

Self-clinching head

Overall Length

0.663 inches

Distance Across Flats

Between 0.172 inches and 0.204 inches

Thready Qty Per Inch (tpi)

40 nut thread

Thread Size

0.112 inches nut thread

Material

Stainless steel

Material Specification

Astm a582 assn standard single material response

Style Designator

Self-locking

Thread Series Designator

Unc nut thread

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.

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ISO 9001:2015 + AS9120B
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66552-.040-20-12 Cross Reference

339183-20
339183-20
339183-20
339183-20