3120-01-312-7678 BEARING,WASHER,THRUST Index 5340-01-312-7680 COVER,ACCESS

National Stock Number:
5325-01-312-7679

Federal Supply Class:
5325

National Item Identification Number:
013127679

Description:
STUD,TURNLOCK FASTENER

Detail:
A pinlike item designed to turn within and be held in place by an EYELET, TURNLOCK FASTENER; RING, RETAINING; or the surface of the item it fastens. It is provided with either a cam slot, cam lead threads, or a hold for accommodating a pin. Securing is accomplished by mating with a LOCKSPRING, TURNLOCK FASTENER or RECEPTACLE, TURNLOCK FASTENER. It has either provisions to accommodate a knob or extension or has a head which has provisions to facilitate turning.


Manufacturer Information:
3223S6-829372HOWMET GLOBAL FASTENING SYSTEMS INC.
3223S6-85M902HOWMET GLOBAL FASTENING SYSTEMS INC.
3M1055C6A876301THE BOEING COMPANY
3223S6-880539SPS TECHNOLOGIES, LLC
3223S6-892215HOWMET GLOBAL FASTENING SYSTEMS INC


Techincal Specification:
DRIVE TYPESOCKET
DIAMETER0.480 INCHES NOMINAL
EXTENSION LENGTH0.078 INCHES MAXIMUM
GRIP LENGTH0.952 INCHES NOMINAL
MATERIAL ACCOMMODATED THICKNESS0.376 INCHES MINIMUM AND 0.500 INCHES MAXIMUM
MATERIALIRON ALLOY 660 OVERALL
SECURING DEVICE TYPESPRING
STUD SHANK MAJOR DIAMETER0.3735 INCHES MINIMUM AND 0.3745 INCHES MAXIMUM
STUD THREAD SIZE AND SERIES/TYPE DESIGNATOR0.250-28 UNIFIED NATIONAL JOINT FINE (UNJF)
SURFACE TREATMENTPASSIVATE OVERALL
TURNLOCK STUD HEAD STYLEFLAT COUNTERSUNK
TURNLOCK STUD SHANK STYLESTUD SHANK


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