Model: EF603-5

Turnlock Fastener Stud Assembly

Properties:

Diameter

Between 0.258 inches and 0.308 inches

Securing Device Type

Spring

End Application

Merlin eh101 helicopter

Turnlock Stud Head Style

Flat fillister

Stud Assembly Style

Stud assembly

Distance From Engaging Member To Largest Bearing Surface Of Head

Between 0.631 inches and 0.646 inches

Eyelet Outside Diameter

Between 0.244 inches and 0.250 inches

Eyelet Length

0.322 inches

Material Accommodated Thickness

Between 0.150 inches and 0.179 inches

Drive Type

Cross recess

Stud Head Height

Between 0.088 inches and 0.098 inches

Part Name Assigned By Controlling Agency

Assembly - airloc 1/4 turn, steel recess

Material

Steel comp 4037 stud

Material Specification

Astm-a-547 assn standard single material response stud

Surface Treatment

Cadmium

Surface Treatment Specification

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

NSN

5325-01-475-9045

Part Number

EF603-5

Description

Stud Assembly,turnlock Fastener

CAGE

U7941

A stud, turnlock fastener over which may be assembled an eyelet, turnlock fastener. Stud(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.

Part EF603-5 NSN 5325-01-475-9045

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

18484

FIIG:

A05400

Concept No.:

App. Key:

Cond. Code:

Status:

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators

HMIC

PMIC

ESD/EMI

ENAC

MMAC

CRITL

HMIC:

PMIC:

ESD:

MMAC:

CRITL:

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Schedule B and Export

Schedule B: 9607190000
SITC: 89985
End Use: Finished textile supplies
NAICS: 339993
USDA: 1

Freight Class: Slide fasteners, nesoi