Product Details | TURNLOCK FASTENER ASSEMBLY

5325-01-257-6996 An item consisting of a STUD, TURNLOCK FASTENER or a STUD ASSEMBLY, TURNLOCK FASTENER and a RECEPTACLE, TURNLOCK FASTENER. It is designed to provide a means for securely locking two items together and allow for quick locking or unlocking action.

Part Alternates: S-290, FE75008B4, FE7500-8-B-4, S290, 5325-01-257-6996, 01-257-6996, 5325012576996, 012576996

Hardware and Abrasives | Fastening Devices

Supply Group (FSG) NSN Assign. NIIN
53 23 JUN 1987 01-257-6996

Drawings & Photos | NSN 5325-01-257-6996


Cross Reference | NSN 5325-01-257-6996

Part Number Cage Code Manufacturer
FE7500-8-B-4 17446 HUCK INTERNATIONAL, INC. DBA ALCOA FASTENING SYSTEMS
FE7500-8-B-4 97928 HUCK INTL INC
S-290 97928 HUCK INTL INC

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Technical Data | NSN 5325-01-257-6996

Characteristic Specifications
MATERIAL ALUMINUM ALLOY 6061 HEAD STEEL COMP 302 LOCKSPRING ALUMINUM ALLOY 6061 RECEPTACLE STEEL COMP 302 STUD STEEL COMP 301 WASHER
MATERIAL DOCUMENT AND CLASSIFICATION QQ-A-225/8 FED SPEC SINGLE MATERIAL RESPONSE HEAD QQ-W-423 FED SPEC SINGLE MATERIAL RESPONSE LOCKSPRING QQ-W-225/8 FED SPEC SINGLE MATERIAL RESPONSE RECEPTACLE ASTM-A-493-63 ASSN STD SINGLE MATERIAL RESPONSE STUD
SURFACE TREATMENT ANODIZE HEAD PASSIVATE LOCKSPRING ANODIZE RECEPTACLE OXIDE FILM STUD OXIDE FILM WASHER
TURNLOCK STUD SHANK STYLE 17 STUD SHANK
GRIP LENGTH 0.337 INCHES NOMINAL
MINOR DIAMETER 0.215 INCHES NOMINAL
EXTENSION LENGTH 0.283 INCHES NOMINAL
STUD SHANK MAJOR DIAMETER 0.258 INCHES NOMINAL
TURNLOCK STUD HEAD STYLE 29 KNURLED
DIAMETER 0.420 INCHES NOMINAL
STUD HEAD HEIGHT 0.290 INCHES NOMINAL
STUD THREAD SIZE AND SERIES/TYPE DESIGNATOR 0.164-32 UNC
TURNLOCK RECEPTACLE STYLE 28 FLOATING
MOUNTING STYLE 11 FLOATING NUT
DRIVE TYPE SLOTTED
MATERIAL ACCOMMODATED THICKNESS 0.032 INCHES MINIMUM AND 0.093 INCHES MAXIMUM

Restrictions/Controls & Freight Information | NSN 5325-01-257-6996

Category Code Description
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Precious Metals Indicator Code:UPrecious metal type is unknown
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Category Code Description
No Freight Information