Turnlock Fastener Stud Assembly

Model / MPN: SPS4-1 | NSN: 5325-01-257-4413

A stud, turnlock fastener over which may be assembled an eyelet, turnlock fastener. Stu (s) without cam slots or cam lead threads are provided with a crosspin or eared nut for locking with the mating receptacle, turnlock fastener. May be spring loaded. For like items having a threaded fastener, see screw assembly, panel or screw, panel fastener.

Product Details

NATO Stock Number

5325-01-257-4413

Sold in multiples of

1 EA

DEMIL

Diameter

Between 0.428 inches and 0.448 inches

Securing Device Type

Spring

Turnlock Stud Head Style

Fillister

Stud Assembly Style

Stud assembly

Distance From Engaging Member To Largest Bearing Surface Of Head

Between 0.355 inches and 0.375 inches

Eyelet Outside Diameter

0.531 inches

Eyelet Length

0.470 inches

Material Accommodated Thickness

Between 0.060 inches and 0.084 inches

Drive Type

Slotted

Material

Steel

Surface Treatment

Cadmium and chromate

Surface Treatment Specification

Qq-p-416, type 2, cl 2 federal specification single treatment response

SPS4 Series Parts

Solicitations

Solicitation	Description	Qty	UOM	Close Date
SPE4A517TDH28	Stud Assembly, Turnlo	247	EA	07/24/2017
SPE5E420T3283	Stud Assembly, Turnlo	422	EA	12/27/2019

Pricing and Availability

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SPS4-1 Cross Reference

1219-PS4-1-Z3C
128-0012-028